<i>Residues of tetracyclines and β-lactams antibiotics induce carbonylation of chicken&nbsp;breast </i>

Johana Marquez; Albeiro Marrugo-Padilla; Darío Méndez Cuadro; Erika Rodríguez Cavallo

doi:10.12688/f1000research.53863.1

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Research Article

Residues of tetracyclines and β-lactams antibiotics induce carbonylation of chicken breast

[version 1; peer review: 2 approved]

Johana Marquez^1,2, Albeiro Marrugo-Padilla¹, Darío Méndez Cuadro¹, Erika Rodríguez Cavallo¹

PUBLISHED 15 Jul 2021

Author details Author details

¹ Analytical Chemistry and Biomedicine Group, University of Cartagena, Cartagena, Bolívar, 130001, Colombia
² Medical research group (GINUMED), Corporación Universitaria Rafael Núñez, Cartagena, Bolívar, 130001, Colombia

Johana Marquez
Roles: Conceptualization, Data Curation, Formal Analysis, Investigation, Methodology, Validation, Visualization, Writing – Original Draft Preparation

Albeiro Marrugo-Padilla
Roles: Conceptualization, Data Curation, Formal Analysis, Investigation, Methodology, Validation, Visualization, Writing – Original Draft Preparation

Darío Méndez Cuadro
Roles: Conceptualization, Funding Acquisition, Investigation, Methodology, Project Administration, Resources, Supervision, Writing – Review & Editing

Erika Rodríguez Cavallo
Roles: Conceptualization, Formal Analysis, Funding Acquisition, Investigation, Methodology, Project Administration, Resources, Supervision, Visualization, Writing – Review & Editing

OPEN PEER REVIEW

REVIEWER STATUS

This article is included in the Agriculture, Food and Nutrition gateway.

Abstract

Background: Worldwide, chicken meat is widely consumed due to its low cost, high nutritional value and non-interference with religious or cultural beliefs. However, during animal husbandry chickens are exposed to many chemical substances, including tetracyclines and β-lactams, which are used to prevent and cure several infections. Some residues of these compounds may bioaccumulate and be present in chicken meat after slaughtering, promoting oxidative reactions.
Methods: In order to evaluate in vitro carbonylation induced by tetracyclines and β-lactams residues, a proteomic approach was used. For this, chicken muscle was individually contaminated with tetracyclines (tetracycline, chlortetracycline, oxytetracycline, and doxycycline) and β-lactams (ampicillin, benzathine penicillin, dicloxacillin and oxacillin) at 0.5, 1.0 and 1.5 times their maximum residue level (MRL). Then, sarcoplasmic, myofibrillar and insoluble proteins were extracted and their content were measured using the Bradford method. Protein carbonylation was measured using the 2,4-Dinitrophenylhydrazine alkaline method.
Results: Residues of tetracyclines and β-lactams induced in vitro carbonylation on sarcoplasmic, myofibrillar and insoluble proteins even at 0.5MRL concentrations (p<0.05). When comparing the carbonylation induced by both antibiotics no differences were found (p>0.05). Variables such as the partition coefficient (log P) and the concentration of these antibiotics showed a high correlation with the oxidative capacity of tetracyclines and β-lactams on chicken breast proteins.
Conclusions: This study shows that the presence of tetracyclines and β-lactams residues at MRLs concentrations promotes in vitro carbonylation on chicken breast proteins. Our results provide important insights about the impact of antibiotics on the integrity of meat proteins intended for human consumption.

Keywords

Tetracyclines, β-lactams, carbonylation, proteins, meat

Corresponding author: Erika Rodríguez Cavallo

Competing interests: No competing interests were disclosed.

Grant information: The authors express their gratitude to the University of Cartagena for grants 078 and 095/2019 and Corporación Universitaria Rafael Núñez.
The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Copyright: © 2021 Marquez J et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

How to cite: Marquez J, Marrugo-Padilla A, Méndez Cuadro D and Rodríguez Cavallo E. Residues of tetracyclines and β-lactams antibiotics induce carbonylation of chicken breast [version 1; peer review: 2 approved]. F1000Research 2021, 10:575 (https://doi.org/10.12688/f1000research.53863.1) First published: 15 Jul 2021, 10:575 (https://doi.org/10.12688/f1000research.53863.1) Latest published: 15 Jul 2021, 10:575 (https://doi.org/10.12688/f1000research.53863.1)

Introduction

Tetracyclines (TCs) and β-lactams (β-Lts) are widely used antibiotics in veterinary medicine for the treatment and prophylaxis of bacterial diseases affecting animals.¹ In poultry, these antibiotics are employed to treat diseases caused by gram-positive and gram-negative bacteria, and in some cases are also administered at sub-therapeutic concentrations in the feed to promote the animal’s growth and ensure productive performance.^2,3 In this context, this extensive and often indiscriminate use of TCs and β-LTs in poultry can induce the presence of their residues in poultry products such as chicken breast and eggs; these residues can reach and be ingested by consumers, and promote negative effects on their health, mainly through antimicrobial resistance.¹

In order to protect to consumer, the European Commission and the Codex Alimentarius have stablished the maximum residue level (MRL) for antibiotics in products of animal origin. The MRL is defined as the highest level of residue of a pesticide or antibiotic that is legally tolerated in food and is not expected to cause harm to humans. Despite the regulation, several investigations have reported levels of TCs and β-LTs greater than their MRLs in chicken meat and other products derived from poultry farms, such as eggs; this could promote negative effects on consumers stated above.^4,5

Despite the recurring presence of antibiotic residues in chicken meat and its derivatives, no investigations evaluating the effects of TCs and β-LTs at their MRLs on chicken meat components, including proteins, are being carried out, even though proteins are one of its most abundant constituents. In previous studies we have demonstrated that residues of these antibiotics at their MRLs are capable of inducing oxidative stress on biological models such as beef⁶ and milk,⁷ which could have a negative impact on food safety and quality. Protein carbonylation is currently recognized as one of the main biomarkers for oxidative stress in food,⁸ and several publications have demonstrated its impact in chicken meat and the alteration of its functional properties such as solubility and digestibility.^9,10 In addition, the effects promoted by the consumption of foods with carbonylated proteins, such as metabolic disorders and inflammatory processes at the intestinal level and even the promotion of carcinogenic processes, have also been demonstrated.^11,12

Chicken meat is the most common product consumed in the word due its affordability, although chicken meat proteins are susceptible to suffer oxidative reactions which can be promoted by external factors as animal feed, slaughter, processing and storage. Thus, the objective of this study is to evaluate the in vitro carbonylation induced by tetracyclines and β-lactams residues on chicken muscle proteins.

Methods

Chemicals and reagents

Primary standards of Ampicillin trihydrate (99.0%, AMP), Benzathine penicillin G tretrahydrate (97.2%, PNG), Dicloxacillin sodium hydrate (99.0%, DCL), Oxacillin salt hydrate (99.0%, OXA), Tetracycline hydrochloride (97.7%, TC), Doxycycline hyclate (98.7%, DXC), Chlortetracycline hydrochloride (94.6%, CTC) and Oxytetracycline hydrochloride (95.0%, OTC) were supplied by Dr. Ehrenstofer GmbH (Germany). The 2,4-Dinitrophenylhydrazine, potassium phosphate, sodium azide, hydrochloric acid, sodium bicarbonate and calcium chloride were purchased from PanReac (Barcelona, Spain). Analytical grade methanol, sodium hydroxide EMSURE (99%), biotechnological grade sodium chloride, 2-mercaptoethanol, and coomassie blue brilliant G250 (CBB) were purchased from Merck (Darmstadt, Germany). Bovine serum albumin (BSA) free of fatty acids (98%) was supplied from Sigma Aldrich (San Luis, USA). Water was purified with a Milli-Q system (Millipore, Bedford, MA, USA).

Preparation of antibiotics solutions

Individual stock solutions of tetracyclines and β-lactams (100 μg·mL^-1) were prepared with milli-Q water and methanol, respectively. For the sample’s contamination with the antibiotics of interest, serial dilutions of the stocks were made until obtaining an antibiotic concentration of 10 μg·mL⁻¹ (working solution), in order to avoid sample protein precipitation during the sample preparation process.¹³

Sample preparation and contamination

Chicken breast samples were purchased from a local market in Cartagena, Colombia. They were stored in plastic polyethylene bags, transported to the laboratory maintaining cold chain (4°C), cut and cleaned to remove visible connective tissue and then, mechanically homogenized using a blender (Powergen by Fisher). Then, one-gram replicates of homogenized samples were collected in falcon tubes and stored at -20°C until further assays. This procedure was described by Marquez et al. (2020).¹³

Chicken breast aliquots were randomly divided in control samples and samples to contaminate with tetracyclines and β-lactams. Then, samples were contaminated individually with 200 μL of each antibiotic working solutions until reaching final concentrations of 0.5, 1.0 and 1.5 MRL (Table 1), followed by vortexing for 30s and then incubation for 1 h at room temperature in the dark.¹⁴ All assays were carried out with three replicates.

Extraction of chicken breast proteins

To obtain the sarcoplasmic, myofibrillar and insoluble proteins, the method developed by Marquez et al. (2020) was employed. Briefly, homogenized samples were mixed with 10 mL of low ionic strength buffer (0.05 M K₃PO₄, 1 mM NaN₃, 2 mM EDTA, pH 7.3), then, vortexing at 3,000 rpm for 3.5 minutes and centrifugation at 11,150 xg 10 minutes and 1 °C were carried out. The supernatant (sarcoplasmic proteins) was collected and refrigerated, and the pellet was resuspended with 5 mL of low ionic strength buffer, centrifuged and the supernatant was unified with the sarcoplasmic proteins fraction initially obtained. The remaining pellet was resuspended with 5 mL of high ionic strength buffer (0.55 M KCl, 0.05 M K₃PO₄, 1mM NaN₃, 2 mM EDTA, pH 7.3) and the same vortexing and centrifugation steps were realized.). The new supernatant (myofibrillar proteins) was collected and also kept refrigerated at 4°C. The final pellet was resuspended in 0.15 M KCl to obtain the insoluble proteins.¹³ Protein concentration was determined by the Bradford method (Coomassie blue brilliant/ethanol/phosphoric acid). For this, a calibration curve was realized using standard solutions of bovine serum albumin at concentrations between 0.0625 and 1.0 mg·L⁻¹, which were put in microplates with the samples and the Braford reactive. Then, the absorbance was measured at 595 nm.¹⁵

Table 1. Tetracyclines and β-Lactams concentrations at 0.5, 1.0 and 1.5 MRL.

Tetracyclines	0.5 MRL^*	1.0 MRL^*	1.5 MRL^*
Tetracycline	50	100	150
Chlortetracycline	50	100	150
Oxytetracycline	50	100	150
Doxycycline	50	100	150
β-Lactams
Ampicillin	25	50	75
Benzathine penicillin	25	50	75
Dicloxacillin	150	300	450
Oxacillin	150	300	450

* The concentration are expressed as μg. Kg^-1 chicken breast.

Determination of carbonyl content in proteins samples

Protein carbonyl content was measured according to Mesquita et al. (2014) with some modifications described by Marquez et al. (2020).^13,16 For this, 300 μL of 2,4-dinitrophenylhydrazine (DNPH, 10 mM in 0.5M H₃PO₄) was added to the same volume of protein solution (150 μg) and incubated in the dark for 10 minutes. Next, 160 μL of this solution was placed in a 96-well plate and 40 μL of 6M NaOH were added and incubation for 10 minutes was carried out. The change of colour was measured at 450 nm (FLUOstar Omega spectrophotometer, BMG-Lab Tech). The protein carbonyl content was calculated using the DNPH molar extinction coefficient corrected for microplates (ε = 11154 μM^-1.cm^-1). Protein carbonylation was expressed as nmol of carbonyls·mg^-1 of protein.

Statistical analysis

Values are reported as mean ± SEM of three independent determinations. To assess the effect of antibiotics concentration on protein carbonylation, a unifactorial ANOVA with three levels and blank at 95% confidence was performed (GraphPad Prism V5.01). Multiple comparisons of the means were made using the Tukey adjustment when the ANOVA was significant (p < 0.05) for control and contaminated samples.

Results

Carbonylation induced by antibiotics on chicken breast proteins

The oxidative capability of the assayed antibiotics was evaluated by determination of the carbonylation degree of exposed sarcoplasmic, myofibrillar and insoluble chicken breast proteins, and was expressed as the carbonyl index (CI) in nmol of carbonyls·mg^-1 of proteins. CIs found in the control samples were on average 7.40 ± 0.85; 8.67 ± 1.03 and 12.79 ± 0.5178 nmol of carbonyls·mg^-1 of proteins for sarcoplasmic, myofibrillar and insoluble, respectively. When those values were compared with the treated samples, it was observed that 16 of the 24 treatments assayed (66.7%) significantly increased their carbonyl groups, as shown in Figure 1.

Figure 1. Carbonylation induced by assayed antibiotics (TCs and β-Lts) on main chicken breast proteins.

The colors of the violins allude to the type of protein fraction: Green: sarcoplasmic proteins; Blue: myofibrillar proteins and Purple: insoluble proteins. The medians and quartiles are showed as black and red lines in the violin boxes, respectively. Different letters on the plots expressed significant differences in protein carbonylation between samples.

The CIs induced by antibiotics on protein fractions were between 3.92 – 31.38; 6.72 – 50.07 and 11.77–61.49 nmol of carbonyls·mg^-1 of proteins for sarcoplasmic, myofibrillar and insoluble, respectively. In addition, the developed Kruskal-Wallis test among the CIs from the three proteins groups showed that there were significant differences between their medians (p<0.05), the insoluble proteins being the ones that showed the highest CIs (28.04 ± 1.61 nmol of carbonyls·mg^-1 of proteins), followed by myofibrillar and sarcoplasmic proteins with mean values of 23.07 ± 1.42 and 17.28 ± 0.89 nmol of carbonyls·mg^-1 of proteins, respectively. Next, we described the behavior of induced carbonylation by each group of antibiotics.

Behavior of TCs-induced carbonylation

TCs’ oxidative capability is shown in Figure 2. In sarcoplasmic proteins, all assayed concentrations of CTC, OTC and DXC induced a significant carbonylation compared to the control (p < 0.05); in contrast, the samples contaminated with TC, only showed a significant increase at 0.5 and 1.5 MRL (p < 0.05). The maximum oxidant power of TC, CTC and DXC was observed at 1.5 MRL, while OTC was set at 0.5 MRL. Contrarily, in myofibrillar proteins, TC, CTC and OTC promoted a significantly higher carbonylation compare to control (p < 0.05) at all concentrations assayed. DXC only induced a significant carbonylation at 1.0 MRL regarding to the control (p < 0.05). Unlike to sarcoplasmic proteins, the maximum oxidant power of TC, OTC and DXC was observed at 1.0 MRL, while CTC’s continued at 1.5 MRL (p < 0.05).

Figure 2. Changes in carbonyl content of sarcoplasmic, myofibrillar and insoluble chicken breast proteins induced by tetracycline (TC), chlortetracycline (CTC), oxytetracycline (OTC) and doxycycline (DXC).

The columns in the graph are grouped as: a) TC and DXC treatment´s and their blanks b) CTC and OTC and their blanks. Mean values ± SEM. ^a-j Different letters on the bars denote statistically significant differences. Means having different superscripts differ between blank and tetracyclines concentration (p < 0.05). ****p < 0.0001, ***p < 0.005, **p < 0.05 denote statistically significant differences among treatment and their respective control.

Finally, for insoluble proteins, all concentrations of tetracyclines induced significant carbonylation with respect to control (p < 0.05). The maximum carbonylation promoted by TC and CTC was observed at 1.0 and 1.5 MRL (p > 0.05), while OTC and DXC were at 0.5 and 1.5 MRL, respectively.

Behavior of β-Lts-induced carbonylation

β-Lts-induced carbonylation is shown in Figure 3. In sarcoplasmic proteins, all the assayed concentrations induced significant carbonylation on contaminated samples compared to control (p < 0.05). For samples contaminated with AMP and PNG, maximum carbonylation was observed at 1.5 MRL, while in samples contaminated with DCL, maximum carbonylation was set at 1.0 MRL;for OXA the values were set at 0.5 and 1.0 MRL. There were no statistical differences between their CIs (p > 0.05). In contrast, in myofibrillar proteins, DCL and OXA induced the same carbonylation in treated samples at all assayed concentrations (p > 0.05), while AMP only induced a significant carbonylation at 0.5 and 1.5 MRL with respect to control (p < 0.05), and PNG a 1.5 MRL carbonylation. Finally, for insoluble proteins, PNG, DCL and OXA promoted a significantly higher carbonylation than control at all concentrations assayed (p < 0.05), while AMP only led to a 1.5 MRL carbonylation. For AMP and OXA, the maximum oxidant power was induced at 1.5 MRL, whereas that of DCL was similar for all three concentrations (p > 0.05).

Figure 3. Changes in carbonyl content of sarcoplasmic, myofibrillar and insoluble chicken breast proteins induced by ampicillin (AMP), penicillin (PNG), oxacillin (OXA) and dicloxacillin (DCL).

Mean values ± SEM. Letters ^a-j above the bars denote statistically significant differences in carbonylation compared to blank. Means having different superscripts differ between blank and tetracyclines concentration (p < 0.05). ****p < 0.0001, ***p < 0.005, **p < 0.05 denote statistically significant differences among treatment and their respective control.

Comparison between carbonylation induced by TCs and β-LTs

Figure 4 shows the oxidant power of TCs and β-LTs on sarcoplasmic, myofibrillar and insoluble proteins from chicken breast; oxidant power was calculated using the ratio between the CIs from treated samples and from the controls (Carbonyl index of protein fraction from contaminated samples/Carbonyl index of blank samples). As showed, among all antibiotics assayed, CTC and OTC promoted the highest carbonylation in myofibrillar proteins at all assayed concentrations (with average ratios of 7.9 and 5.4, respectively); these were followed by DCL in the insoluble (average ratio of 5.4) and myofibrillar fractions (average ratio of 4.0) and OXA in the sarcoplasmic and myofibrillar fractions (average ratios of 3.7 and 3 respectively). Oppositely, DXC, AMP and PNG induced the lowest carbonylation, mainly in myofibrillar (average ratios of 0.4, 0.5 and 0.5, respectively) and insoluble fractions (average ratios of 1.4, 0.7 and 1.4, respectively).

Figure 4. Heat map with average values of the oxidant power (ratios) induced by the evaluated TCs and β-LTs.

The results of the comparative analysis between the carbonylation induced by TCs and β-Lts according to the type of fraction is described in the first item (Figure 1). On the other hand, the medians of the carbonylation indices (CIs) promoted by the two groups of antibiotics evaluated through the Mann-Whitney test were compared; results showed that there were no significant differences between the CIs in the samples exposed to both groups of antibiotics (p = 0.3714), Figure 5.

Figure 5. Carbonylation induced by assayed antibiotics (TCs and β-Lts) on main chicken breast protein fractions.

The medians and quartiles are showed as black and red lines in the violin boxes, respectively.

According to the carbonylation variability induced by the assayed antibiotics, we decided to assess individual and multiple correlations among CIs and independent variables assessed in the study: protein fraction, type of antibiotic, evaluated concentration of each antibiotic, and octanol-water partition coefficient (LogP). This last variable was included given that the antibiotics evaluated, by belonging to the same group, have similar chemical structures (pharmacophore) differing only in their radicals; therefore one of the most used parameters to evaluate differences in their toxicological behaviors in in vitro models are their solubility variations (LogP).¹⁷

Simple regression analysis results between CIs induced by antibiotics at their respective concentration, and LogP revealed a significantly positive relationship for both variables combinations (R² = 0.0327, p = 0.0044 for CIs and antibiotics concentrations, and R² = 0.1235, p = 0.0019, for CIs and LogP). This indicates that they represent important parameters in the oxidant properties of antibiotics (Figure 6a and 6b). When comparing adjusted determination coefficients obtained in correlation analyses, we were able to establish a hierarchy in the effect exercised by the evaluated independent variables (concentration and LogP) on the antibiotics-induced carbonylation, showing the following increasing order: LogP > concentration. Nevertheless, in order to evaluate the joint correlation level of independent variables assayed (concentration and LogP) vs the antibiotic-induced carbonylation, a multiple linear regression analysis was performed. Thus, the comparison between adjusted R² obtained in the simple and multiple linear regression analysis showed that R² in combined variables (14.48%) was higher than that of individual ones (3.27% and 12.35% for concentration and LogP, respectively), thus attributing the antibiotic-induced carbonylation effect to the synergic effect of the evaluated independent variables (p < 0.0001).

Figure 6. Multiple linear correlation analysis performed between antibiotic-induced carbonylation vs (a) assayed concentration of antibiotics and (b) antibiotics’ Partition Coefficient (log P).

These parameters were used to evaluate the variables’ relation level were the correlation and determination coefficients.

Discussion

The results described before show the capability of TCs and β-LTs to promote the carbonylation of chicken breast proteins even at concentrations under their MRLs.

In addition, when comparing the carbonylation induced by tetracyclines in three different protein fractions, it can be observed that sarcoplasmic and myofibrillar proteins were the most oxidized ones (Figure 4). This behavior could be associated to accessibility of proteins in muscle cells: sarcoplasmic being more available than myofibrillar, which are more available than insoluble proteins; this is due to sarcoplasmic proteins being soluble in sarcolemma, while myofibrillar and insoluble proteins are stored in myofibrilla and connective tissue, respectively.^13,18

Finally, carbonylation of chicken breast proteins provides evidence for the ability of tetracyclines to promote oxidative stress, which is consistent with assays carried out with several biological models.^19–24 According to Wen et al. (2012), CTC induced oxidative stress in maize root through the production of hydroxyl radicals¹⁹; Pes et al. (2018) reported a decrease of antioxidant enzymes in fish when these were exposed to OTC; Hang et al. (2019) showed that exposure to TC induced oxidative stress in ryegrass seedlings mediated by the increase of lipid oxidation and decrease of antioxidants enzymes.⁹ However, according to the literature, DXC has antioxidant properties, which is contradictory to our results.^21–23 This fact is interesting since the concentrations assayed in this study were lower than the ones used in studies where the protecting effect against oxidation was observed (16 times approximately)^21–23; maybe this behavior could be associated to endocrine-disrupting effects.

In a similar way as tetracyclines, these results show the capacity of β-lactams to induce oxidation in chicken breast proteins even at levels under their MRLs, and therefore their ability to induce oxidative stress. However, these results are contradictory to the literature, because β-lactams have been attributed antioxidant properties: Berczyński et al. (2017) demonstrated the antioxidant capacity of β-lactams in the following descending order: ampicillin, penicillin, dicloxacillin and finally oxacillin, against reactive oxygen species.²⁴ Although Dwyer et al. (2014), observed that some antibiotics, suchas ampicillin induced oxidative stress to increase their antibiotic lethality. Thus, β-lactam behavior could be bivalent (oxidant/antioxidant), explaining the lower levels of carbonylation induced of chicken breast proteins (Figure 4). While comparing the carbonylation on three protein fractions, only DCL and OXA promoted greater oxidative damage on these (Figure 4), probably mediated by a largest number of molecules of DCL and OXA available in the muscle cell, these amounting to 6 times the concentrations of PGN and AMP.^4,13

According to the literature, the carbonylation induced by residues of tetracyclines and β-lactams at MRL concentrations are similar to those promoted by fluroquinolones MRLs on beef proteins, which was reported by Marquez et al. (2020). In this study, fluoroquinolones also induced carbonylation even at concentrations under MRL values, and related to solubility loss and decreased protein digestibility.¹³ Therefore, it would be expected that these types of changes can occur in chicken muscle proteins as well and influence the meat’ nutritional value.¹⁴

In conclusion, our results showed the oxidizing effect of tetracycline and β -lactam residues on chicken breast proteins, even at concentrations considered safe. This causes concern because carbonylation continues to occur even after the animal is slaughtered, which means that under in vivo conditions protein oxidation may be greater. This could also affect the nutritional value of meat proteins, since carbonylation causes solubility loss and decreased digestibility in proteins, as well as loss of protein functionality.

Data availability

Underlying data

Figshare: Raw data of chicken breast proteins exposure to antibiotics, https://doi.org/10.6084/m9.figshare.14799147.v3

This project contains the following underlying data:

• Data set 1: Raw data from carbonyl assay of tetracyclines.
• Data set 2: Raw data from carbonyl assay of β-lactams.
• Raw data Figures.
• Raw data Figures from GraphPad Prism.

Data are available under the terms of the Creative Commons Zero “No rights reserved” data waiver (CC0 1.0 Public domain dedication).

Competing interests

No competing interests were disclosed.

Grant information

The authors express their gratitude to the University of Cartagena for grants 078 and 095/2019 and Corporación Universitaria Rafael Núñez.

The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Acknowledgements

A. Marrugo-Padilla thanks Colciencias for the scholarships National Doctorates No 785-1047457972. The authors would like to thank Judith Rodriguez Cavallo for her technical assistance and María Alejandra Mendez for editing.

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24. Berczyński P, Kładna A, Kruk I, et al.: Radical-scavenging activity of penicillin G, ampicillin, oxacillin, and dicloxacillin. Luminescence. 2017 May; 32(3): 434–442. PubMed Abstract | Publisher Full Text

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Author details Author details

¹ Analytical Chemistry and Biomedicine Group, University of Cartagena, Cartagena, Bolívar, 130001, Colombia
² Medical research group (GINUMED), Corporación Universitaria Rafael Núñez, Cartagena, Bolívar, 130001, Colombia

Johana Marquez
Roles: Conceptualization, Data Curation, Formal Analysis, Investigation, Methodology, Validation, Visualization, Writing – Original Draft Preparation

Albeiro Marrugo-Padilla
Roles: Conceptualization, Data Curation, Formal Analysis, Investigation, Methodology, Validation, Visualization, Writing – Original Draft Preparation

Darío Méndez Cuadro
Roles: Conceptualization, Funding Acquisition, Investigation, Methodology, Project Administration, Resources, Supervision, Writing – Review & Editing

Erika Rodríguez Cavallo
Roles: Conceptualization, Formal Analysis, Funding Acquisition, Investigation, Methodology, Project Administration, Resources, Supervision, Visualization, Writing – Review & Editing

Competing interests

No competing interests were disclosed.

Grant information

The authors express their gratitude to the University of Cartagena for grants 078 and 095/2019 and Corporación Universitaria Rafael Núñez.
The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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Published: 15 Jul 2021, 10:575

https://doi.org/10.12688/f1000research.53863.1

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Marquez J, Marrugo-Padilla A, Méndez Cuadro D and Rodríguez Cavallo E. Residues of tetracyclines and β-lactams antibiotics induce carbonylation of chicken breast [version 1; peer review: 2 approved]. F1000Research 2021, 10:575 (https://doi.org/10.12688/f1000research.53863.1)

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PUBLISHED 15 Jul 2021

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Reviewer Report 11 Mar 2022

Chenliang Li, Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Valencia, Spain

Approved

https://doi.org/10.5256/f1000research.57287.r121739

The main results of this study show that the presence of tetracyclines and β-lactams residues at MRLs concentrations promotes in vitro carbonylation on chicken breast proteins. The authors give an interesting insight into the impact of antibiotics on the integrity of meat ... Continue reading

The main results of this study show that the presence of tetracyclines and β-lactams residues at MRLs concentrations promotes in vitro carbonylation on chicken breast proteins. The authors give an interesting insight into the impact of antibiotics on the integrity of meat proteins towards human consumption. This manuscript has been well-written and discussed in terms of the topic which has good novelty. This reviewer would thereby recommend it for indexing as it is.

Some suggestions:

The third paragraph of the Introduction section: 'Despite...are one of its most abundant constituents' This sentence was too long, suggest to isolate it into two individual ones.
In the section entitled 'Preparation of antibiotics solutions':change '...until obtaining an antibiotic concentration...' into '...to obtain an antibiotic concentration...'; change '...in order to avoid sample protein precipitation...' into '...to avoid protein precipitation...'
In section entitled with 'Behavior of TCs-induced carbonylation': change '...higher carbonylation compare to control (p < 0.05) at all concentrations assayed' into '...higher carbonylation compare to control (p < 0.05) regardless of concentrations assayed'
In the section entitled 'Comparison between carbonylation induced by TCs and β-LTs': change 'Thus, the comparison between adjusted R2 obtained in the simple and multiple linear regression analysis showed that...' into 'As a result, the comparison between...'
In the Discussion section: change '...; maybe this behavior could be associated to endocrine-disrupting effects.' into '..., which sheds light in endocrine-disrupting effects.'
In the Discussion section: 'In this study, fluoroquinolones also induced carbonylation even at concentrations under MRL values, and related to solubility loss and decreased protein digestibility'. Please specify clearer which concentrations (with values) you mentioned.
In the Discussion section: 'This could also affect the nutritional value of meat proteins since carbonylation causes solubility loss and decreased digestibility in proteins, as well as loss of protein functionality.' Change '...loss of protein functionality' into 'an alteration in protein (bio)availability and/or functionality'.

Is the work clearly and accurately presented and does it cite the current literature?

Yes
Is the study design appropriate and is the work technically sound?

Yes
Are sufficient details of methods and analysis provided to allow replication by others?

Yes
If applicable, is the statistical analysis and its interpretation appropriate?

Yes
Are all the source data underlying the results available to ensure full reproducibility?

Yes
Are the conclusions drawn adequately supported by the results?

Yes

Competing Interests: No competing interests were disclosed.

Reviewer Expertise: Meat science, protein oxidation, peptide chemistry, omics

I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard.

CITE

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19

Reviewer Report 18 Feb 2022

Małgorzata Korzeniowska, Department of Functional Food Products Development, Faculty of Biotechnology and Food Sciences, Wrocław University of Environmental and Life Sciences, Wrocław, Poland

Approved

https://doi.org/10.5256/f1000research.57287.r102491

The manuscript is well written, based on a well-designed, reliable, and reproducible experiment. The subject of the study is interesting for readers and relevant to the discipline.

The abstract is informative and clearly states the most relevant ... Continue reading

The manuscript is well written, based on a well-designed, reliable, and reproducible experiment. The subject of the study is interesting for readers and relevant to the discipline.

The abstract is informative and clearly states the most relevant findings. The introduction shows the main findings in the area and impact on chicken meat and possible influence on humans. The objective is short and straight to the point. The methodology is known and already established. It would be beneficial to have data on the respective antibiotic concentrations in the used material which was purchased in the local market. The lack of this information (analysis) is the main gap in the study. It would be great to have chicken meat collected directly from the farm to have the knowledge about real residues of the antibiotics in meat and to be able to draw a conclusion about the mechanism of action. Results and discussion are well prepared, leading to the conclusion.

The manuscript can be indexed in its current form.

Is the work clearly and accurately presented and does it cite the current literature?

Yes
Is the study design appropriate and is the work technically sound?

Yes
Are sufficient details of methods and analysis provided to allow replication by others?

Yes
If applicable, is the statistical analysis and its interpretation appropriate?

Yes
Are all the source data underlying the results available to ensure full reproducibility?

Yes
Are the conclusions drawn adequately supported by the results?

Yes

Competing Interests: No competing interests were disclosed.

Reviewer Expertise: Poultry meat quality

I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard.

CITE

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Version 1 15 Jul 21	read	read

Małgorzata Korzeniowska, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
Chenliang Li, Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Valencia, Spain

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Reviewer Report

13 Views

11 Mar 2022 | for Version 1

Chenliang Li, Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Valencia, Spain

13 Views Cite this report Responses(0)

Approved

The main results of this study show that the presence of tetracyclines and β-lactams residues at MRLs concentrations promotes in vitro carbonylation on chicken breast proteins. The authors give an interesting insight into the impact of antibiotics on the integrity of meat proteins towards human consumption. This manuscript has been well-written and discussed in terms of the topic which has good novelty. This reviewer would thereby recommend it for indexing as it is.

Some suggestions:

The third paragraph of the Introduction section: 'Despite...are one of its most abundant constituents' This sentence was too long, suggest to isolate it into two individual ones.
In the section entitled 'Preparation of antibiotics solutions':change '...until obtaining an antibiotic concentration...' into '...to obtain an antibiotic concentration...'; change '...in order to avoid sample protein precipitation...' into '...to avoid protein precipitation...'
In section entitled with 'Behavior of TCs-induced carbonylation': change '...higher carbonylation compare to control (p < 0.05) at all concentrations assayed' into '...higher carbonylation compare to control (p < 0.05) regardless of concentrations assayed'
In the section entitled 'Comparison between carbonylation induced by TCs and β-LTs': change 'Thus, the comparison between adjusted R2 obtained in the simple and multiple linear regression analysis showed that...' into 'As a result, the comparison between...'
In the Discussion section: change '...; maybe this behavior could be associated to endocrine-disrupting effects.' into '..., which sheds light in endocrine-disrupting effects.'
In the Discussion section: 'In this study, fluoroquinolones also induced carbonylation even at concentrations under MRL values, and related to solubility loss and decreased protein digestibility'. Please specify clearer which concentrations (with values) you mentioned.
In the Discussion section: 'This could also affect the nutritional value of meat proteins since carbonylation causes solubility loss and decreased digestibility in proteins, as well as loss of protein functionality.' Change '...loss of protein functionality' into 'an alteration in protein (bio)availability and/or functionality'.

Is the work clearly and accurately presented and does it cite the current literature?

Yes
Is the study design appropriate and is the work technically sound?

Yes
Are sufficient details of methods and analysis provided to allow replication by others?

Yes
If applicable, is the statistical analysis and its interpretation appropriate?

Yes
Are all the source data underlying the results available to ensure full reproducibility?

Yes
Are the conclusions drawn adequately supported by the results?

Yes

Competing Interests

No competing interests were disclosed.

Reviewer Expertise

Meat science, protein oxidation, peptide chemistry, omics

I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard.

Respond to this report

Responses (0)

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Reviewer Report

19 Views

18 Feb 2022 | for Version 1

Małgorzata Korzeniowska, Department of Functional Food Products Development, Faculty of Biotechnology and Food Sciences, Wrocław University of Environmental and Life Sciences, Wrocław, Poland

19 Views Cite this report Responses(0)

Approved

The manuscript is well written, based on a well-designed, reliable, and reproducible experiment. The subject of the study is interesting for readers and relevant to the discipline.

The abstract is informative and clearly states the most relevant findings. The introduction shows the main findings in the area and impact on chicken meat and possible influence on humans. The objective is short and straight to the point. The methodology is known and already established. It would be beneficial to have data on the respective antibiotic concentrations in the used material which was purchased in the local market. The lack of this information (analysis) is the main gap in the study. It would be great to have chicken meat collected directly from the farm to have the knowledge about real residues of the antibiotics in meat and to be able to draw a conclusion about the mechanism of action. Results and discussion are well prepared, leading to the conclusion.

The manuscript can be indexed in its current form.

Is the work clearly and accurately presented and does it cite the current literature?

Yes
Is the study design appropriate and is the work technically sound?

Yes
Are sufficient details of methods and analysis provided to allow replication by others?

Yes
If applicable, is the statistical analysis and its interpretation appropriate?

Yes
Are all the source data underlying the results available to ensure full reproducibility?

Yes
Are the conclusions drawn adequately supported by the results?

Yes

Competing Interests

No competing interests were disclosed.

Reviewer Expertise

Poultry meat quality

I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard.

Respond to this report

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[1] 1. Sarker YA, Hasan MM, Paul TK, et al.: Screening of Antibiotic Residues in Chicken Meat in Bangladesh by Thin Layer Chromatography. J Adv Vet Anim Res. 2018; 5(2): 140–145. PubMed Abstract | Publisher Full Text | Free Full Text

[2] 2. Cornejo J, Pokrant E, Figueroa F, et al.: Assessing Antibiotic Residues in Poultry Eggs from Backyard Production Systems in Chile, First Approach to a Non-Addressed Issue in Farm Animals. Animals. 2020, 10 (6), 1–11. PubMed Abstract | Publisher Full Text | Free Full Text

[3] 3. Márquez-Lázaro JP, Mora L, Méndez-Cuadro D, et al.: In Vitro Oxidation Promoted by Chlorpyrifos Residues on Myosin and Chicken Breast Proteins. Food Chem. 2020; 326: 126922. PubMed Abstract | Publisher Full Text

[4] 4. Padilla AM, Cuadro DM, Cavallo ER: Combined Tetracycline and Pyrethroid Residues Increases Protein Carbonylation in Bovine Milk. Int Dairy J. 2020: 104708. Publisher Full Text

[5] 5. Rodríguez-García A, García-Vicente R, Morales ML, et al.: Protein Carbonylation and Lipid Peroxidation in Hematological Malignancies. Antioxidants . 2020; 9(12): 1–30. PubMed Abstract | Publisher Full Text | Free Full Text

[6] 6. Korzeniowska M, Króliczewska B, Kopeć W: Carbonyl and Sulfhydryl Groups of Chicken Meat Proteins after Dietary Modulation with Selenium. Open Chem. 2015; 13(1): 1293–1302. Publisher Full Text

[7] 7. Estévez M: Oxidative Damage to Poultry: From Farm to Fork. Poult. Sci. 2015; 94(6): 1368–1378. PubMed Abstract | Publisher Full Text

[8] 8. Quaik S, Embrandiri A, Ravindran B, et al.: Veterinary antibiotics in animal manure and manure laden soil: Scenario and challenges in Asian countries. J King Saud University - Sci. Elsevier B.V.2020; 32: 1300–1305. Publisher Full Text

[9] 9. Amelin VG, Bol’shakov DS, Podkolzin IV: Rapid Screening and Determination of Residual Amounts of β-Lactam Antibiotics in Foods by Ultrahigh-Performance Liquid Chromatography–High-Resolution Quadrupole Time-of-Flight Mass Spectrometry. J Anal Chem [Internet]. 2020 Sep 3; 75(9): 1177–88. Reference Source

[10] 10. Palisoc S, De Leon PG, Alzona A, et al.: Highly sensitive determination of tetracycline in chicken meat and eggs using AuNP/MWCNT-modified glassy carbon electrodes. Heliyon. 2019 Jul 1 [cited 2021 May 3]; 5(7): e02147. PubMed Abstract | Publisher Full Text | Free Full Text Reference Source

[11] 11. Estévez M, Luna C: Dietary protein oxidation: A silent threat to human health? Crit Rev Food Sci Nutr. [cited 2021 Jun 24]; 2017; 57(17): 3781–93. PubMed Abstract | Publisher Full Text Reference Source

[12] 12. Muñoz S, Méndez L, Dasilva G, et al.: Targeting Hepatic Protein Carbonylation and Oxidative Stress Occurring on Diet-Induced Metabolic Diseases through the Supplementation with Fish Oils. Mar Drugs. 2018 [cited 2021 Jun 24]; 16(10): 353. PubMed Abstract | Publisher Full Text | Free Full Text Reference Source

[13] 13. Márquez-Lázaro J, Méndez-Cuadro D, Rodríguez-Cavallo E: Residues of Fluoroquinolone Antibiotics Induce Carbonylation and Reduce in vitro Digestion of Sarcoplasmic and Myofibrillar Beef Proteins. Foods. 2020 Feb 11; 9(2): 170. PubMed Abstract | Publisher Full Text | Free Full Text Reference Source

[14] 14. Márquez-Lázaro JP, Mora L, Méndez-Cuadro D, et al.: In vitro oxidation promoted by chlorpyrifos residues on myosin and chicken breast proteins. Food Chem. 2020 Oct 1 [cited 2021 Apr 7]; 326: 126922. PubMed Abstract | Publisher Full Text Reference Source

[15] 15. Bradford MM: A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding. Anal Biochem. 1976 May 7 [cited 2021 Apr 7]; 72(1–2): 248–54. PubMed Abstract | Publisher Full Text Reference Source

[16] 16. Mesquita CS, Oliveira R, Bento F, et al.: Simplified 2,4-dinitrophenylhydrazine spectrophotometric assay for quantification of carbonyls in oxidized proteins. Anal Biochem . 2014 Aug 1 [cited 2021 Apr 7]; 458: 69–71. PubMed Abstract | Publisher Full Text Reference Source

[17] 17. Bennion BJ, Be NA, McNerney MW, et al.: Predicting a Drug’s Membrane Permeability: A Computational Model Validated With in vitro Permeability Assay Data. J Phys Chem B. 2017 May 25 [cited 2021 May 20]; 121(20): 5228–5237. Reference Source

[18] 18. Guo W, Greaser ML: Muscle Structure, Proteins, and Meat Quality. In: New Aspects of Meat Quality. Elsevier; 2017 [cited 2021 May 5]. p. 13–31. Reference Source

[19] 19. Wen B, Liu Y, Wang P, et al.: Toxic effects of chlortetracycline on maize growth, reactive oxygen species generation and the antioxidant response. J Environ Sci. 2012 Jun 1 [cited 2021 May 5]; 24(6): 1099–1105. PubMed Abstract | Publisher Full Text Reference Source

[20] 20. Pês TS, Saccol EMH, Londero ÉP, et al.: Protective effect of quercetin against oxidative stress induced by oxytetracycline in muscle of silver catfish. Aquaculture. 2018 Feb 1 [cited 2021 May 5]; 484: 120–5. Reference Source

[21] 21. Yeh Y-C, Lai H-C, Ting C-T, et al.: Protection by doxycycline against doxorubicin-induced oxidative stress and apoptosis in mouse testes. Biochem Pharmacol. 2007 Oct 1 [cited 2021 May 5]; 74(7): 969–980. PubMed Abstract | Publisher Full Text Reference Source

[22] 22. Lai H-C, Yeh Y-C, Ting C-T, et al.: Doxycycline suppresses doxorubicin-induced oxidative stress and cellular apoptosis in mouse hearts. Eur J Pharmacol. 2010 Oct 10 [cited 2021 May 5]; 644(1–3): 176–187. PubMed Abstract | Publisher Full Text Reference Source

[23] 23. Castro MM, Rizzi E, Ceron CS, et al.: Doxycycline ameliorates 2K-1C hypertension-induced vascular dysfunction in rats by attenuating oxidative stress and improving nitric oxide bioavailability. Nitric Oxide. 2012 Mar 31 [cited 2021 May 5]; 26(3): 162–8. PubMed Abstract | Publisher Full Text Reference Source

[24] 24. Berczyński P, Kładna A, Kruk I, et al.: Radical-scavenging activity of penicillin G, ampicillin, oxacillin, and dicloxacillin. Luminescence. 2017 May; 32(3): 434–442. PubMed Abstract | Publisher Full Text

Residues of tetracyclines and β-lactams antibiotics induce carbonylation of chicken breast

Abstract

Keywords

Introduction

Methods

Chemicals and reagents

Preparation of antibiotics solutions

Sample preparation and contamination

Extraction of chicken breast proteins

Table 1. Tetracyclines and β-Lactams concentrations at 0.5, 1.0 and 1.5 MRL.

Determination of carbonyl content in proteins samples

Statistical analysis

Results

Carbonylation induced by antibiotics on chicken breast proteins

Figure 1. Carbonylation induced by assayed antibiotics (TCs and β-Lts) on main chicken breast proteins.

Behavior of TCs-induced carbonylation

Figure 2. Changes in carbonyl content of sarcoplasmic, myofibrillar and insoluble chicken breast proteins induced by tetracycline (TC), chlortetracycline (CTC), oxytetracycline (OTC) and doxycycline (DXC).

Behavior of β-Lts-induced carbonylation

Figure 3. Changes in carbonyl content of sarcoplasmic, myofibrillar and insoluble chicken breast proteins induced by ampicillin (AMP), penicillin (PNG), oxacillin (OXA) and dicloxacillin (DCL).

Comparison between carbonylation induced by TCs and β-LTs

Figure 4. Heat map with average values of the oxidant power (ratios) induced by the evaluated TCs and β-LTs.

Figure 5. Carbonylation induced by assayed antibiotics (TCs and β-Lts) on main chicken breast protein fractions.

Figure 6. Multiple linear correlation analysis performed between antibiotic-induced carbonylation vs (a) assayed concentration of antibiotics and (b) antibiotics’ Partition Coefficient (log P).

Discussion

Data availability

Underlying data

Competing interests

Grant information

Acknowledgements

References

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