Effectiveness of Cooking Procedures in Reducing Antibiotic Residues in Bivalves

<b>Background/Objectives:</b> The widespread use of antibiotics, which wastewater treatment plants (WWTPs) cannot fully remove, in human and veterinary medicine leads to their release into wastewater, resulting in the contamination of aquatic environments. Bivalves can accumulate these a...

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Main Authors: Hugo Bastos, André M. P. T. Pereira, Angelina Pena, Andreia Freitas, Marta Leite, Liliana J. G. Silva
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Antibiotics
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Online Access:https://www.mdpi.com/2079-6382/13/12/1200
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author Hugo Bastos
André M. P. T. Pereira
Angelina Pena
Andreia Freitas
Marta Leite
Liliana J. G. Silva
author_facet Hugo Bastos
André M. P. T. Pereira
Angelina Pena
Andreia Freitas
Marta Leite
Liliana J. G. Silva
author_sort Hugo Bastos
collection DOAJ
description <b>Background/Objectives:</b> The widespread use of antibiotics, which wastewater treatment plants (WWTPs) cannot fully remove, in human and veterinary medicine leads to their release into wastewater, resulting in the contamination of aquatic environments. Bivalves can accumulate these antibiotics, posing a risk to shellfish consumers, including potential antimicrobial resistance. This study aimed to assess how three cooking methods—marinating, steaming, and grilling—affect the concentration of 33 different antibiotics in bivalves fortified at the level of maximum residue limit (MRL) and twice the MRL (2MRL). <b>Results:</b> The data show the percentage of antibiotic remaining after cooking: 100% indicates stability or no reduction; values above 100% show an increase in concentration, and values below 100% reflect a decrease in antibiotic concentration. In general, all culinary procedures removed part of the added antibiotics. However, the most effective method was marinating (47%), followed by steaming (60%) and finally grilling (92%). It was also found that, overall, the fortification level, MRL or 2MRL, did not impact antibiotic removal in each cooking method. Moreover, different antibiotics’ classes presented diverse removals when cooked, ranging between 0% for penicillins and 73% for sulphonamides. Furthermore, the results showed a great diversity of responses to cooking within some antibiotic classes. <b>Methods:</b> After cooking, the analysis was based on solid–liquid extraction followed by liquid chromatography–quadrupole time-of-flight mass spectrometry (UHPLC-ToF-MS). <b>Conclusions:</b> The ongoing monitoring of antibiotic levels is essential, and further research is needed to understand how cooking affects these substances and their metabolites. This will help assess the real risk to consumers and guide risk-mitigation measures.
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publishDate 2024-12-01
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series Antibiotics
spelling doaj-art-eba27a0664d749a8bea2f2532e6f9fe02024-12-27T14:06:21ZengMDPI AGAntibiotics2079-63822024-12-011312120010.3390/antibiotics13121200Effectiveness of Cooking Procedures in Reducing Antibiotic Residues in BivalvesHugo Bastos0André M. P. T. Pereira1Angelina Pena2Andreia Freitas3Marta Leite4Liliana J. G. Silva5LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Sta Comba, 3000-548 Coimbra, PortugalLAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Sta Comba, 3000-548 Coimbra, PortugalLAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Sta Comba, 3000-548 Coimbra, PortugalNational Institute for Agricultural and Veterinary Research (INIAV), I.P., Av. da República, Quinta do Marquês, 2780-157 Oeiras, PortugalNational Institute for Agricultural and Veterinary Research (INIAV), I.P., Av. da República, Quinta do Marquês, 2780-157 Oeiras, PortugalLAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Sta Comba, 3000-548 Coimbra, Portugal<b>Background/Objectives:</b> The widespread use of antibiotics, which wastewater treatment plants (WWTPs) cannot fully remove, in human and veterinary medicine leads to their release into wastewater, resulting in the contamination of aquatic environments. Bivalves can accumulate these antibiotics, posing a risk to shellfish consumers, including potential antimicrobial resistance. This study aimed to assess how three cooking methods—marinating, steaming, and grilling—affect the concentration of 33 different antibiotics in bivalves fortified at the level of maximum residue limit (MRL) and twice the MRL (2MRL). <b>Results:</b> The data show the percentage of antibiotic remaining after cooking: 100% indicates stability or no reduction; values above 100% show an increase in concentration, and values below 100% reflect a decrease in antibiotic concentration. In general, all culinary procedures removed part of the added antibiotics. However, the most effective method was marinating (47%), followed by steaming (60%) and finally grilling (92%). It was also found that, overall, the fortification level, MRL or 2MRL, did not impact antibiotic removal in each cooking method. Moreover, different antibiotics’ classes presented diverse removals when cooked, ranging between 0% for penicillins and 73% for sulphonamides. Furthermore, the results showed a great diversity of responses to cooking within some antibiotic classes. <b>Methods:</b> After cooking, the analysis was based on solid–liquid extraction followed by liquid chromatography–quadrupole time-of-flight mass spectrometry (UHPLC-ToF-MS). <b>Conclusions:</b> The ongoing monitoring of antibiotic levels is essential, and further research is needed to understand how cooking affects these substances and their metabolites. This will help assess the real risk to consumers and guide risk-mitigation measures.https://www.mdpi.com/2079-6382/13/12/1200bivalvesantibioticscooking proceduresantibiotics removalfood safetyUHPLC-ToF-MS
spellingShingle Hugo Bastos
André M. P. T. Pereira
Angelina Pena
Andreia Freitas
Marta Leite
Liliana J. G. Silva
Effectiveness of Cooking Procedures in Reducing Antibiotic Residues in Bivalves
Antibiotics
bivalves
antibiotics
cooking procedures
antibiotics removal
food safety
UHPLC-ToF-MS
title Effectiveness of Cooking Procedures in Reducing Antibiotic Residues in Bivalves
title_full Effectiveness of Cooking Procedures in Reducing Antibiotic Residues in Bivalves
title_fullStr Effectiveness of Cooking Procedures in Reducing Antibiotic Residues in Bivalves
title_full_unstemmed Effectiveness of Cooking Procedures in Reducing Antibiotic Residues in Bivalves
title_short Effectiveness of Cooking Procedures in Reducing Antibiotic Residues in Bivalves
title_sort effectiveness of cooking procedures in reducing antibiotic residues in bivalves
topic bivalves
antibiotics
cooking procedures
antibiotics removal
food safety
UHPLC-ToF-MS
url https://www.mdpi.com/2079-6382/13/12/1200
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