Occurence of antimicrobial residues in milk and labneh consumed in Lebanon.

IF 2.5 3区农林科学 Q2 CHEMISTRY, APPLIED

Food additives & contaminants. Part B, Surveillance Pub Date : 2024-03-01 Epub Date: 2024-02-12 DOI:10.1080/19393210.2023.2298478

Ghinwa Ismail, Khaled El Hawari, Farouk Jaber, Eric Verdon, Mohamad Al Iskandarani

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引用次数: 0

Abstract

Antimicrobials are administered in livestock for different uses leading to milk contamination and several undesirable effects. Because there is a lack of surveillance of antimicrobial residues (AMRs) in milk and dairy products in Lebanon, this study aims to determine the occurrence of AMRs in 90 Lebanese samples of milk and labneh (concentrated yoghurt). Multi-residue screening methods with suitable sample preparations were applied to detect 71 AMRs in milk and labneh, respectively, using LC-MS/MS. Of the total number of samples, 71% was contaminated with AMRs and (fluoro)quinolones and macrolides were the most detected families. Additional confirmation tests proved that 6.7% of the milk samples were non-compliant for the macrolides tilmicosin, tulathromycin and spiramycin. Moreover, some labneh prepared from contaminated milk samples was analysed to determine the fate of AMRs during the manufacturing process. The results showed that some AMRs could be concentrated, eliminated or degraded, based on their physicochemical characteristics.

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黎巴嫩消费的牛奶和拉布奈中的抗菌剂残留。

在牲畜身上使用抗菌剂会导致牛奶污染和一些不良后果。由于黎巴嫩缺乏对牛奶和乳制品中抗菌剂残留（AMRs）的监测，本研究旨在确定 90 份黎巴嫩牛奶和拉布奈（浓缩酸奶）样品中是否存在 AMRs。采用多残留筛选方法和适当的样品制备方法，利用 LC-MS/MS 分别检测了牛奶和浓酸奶中的 71 种 AMRs。在所有样本中，71%的样本受到了 AMRs 的污染，而（氟）喹诺酮类和大环内酯类是检测到的最多的系列。额外的确认测试证明，有 6.7% 的牛奶样本不符合大环内酯类药物替米考星、妥拉霉素和螺旋霉素的要求。此外，还分析了一些用受污染的牛奶样本制备的拉卜内，以确定 AMRs 在生产过程中的去向。结果表明，根据其理化特性，一些 AMRs 可被浓缩、消除或降解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Food additives & contaminants. Part B, Surveillance 农林科学-毒理学

CiteScore

5.30

自引率

10.30%

发文量

审稿时长

2.7 months

期刊介绍： Food Additives & Contaminants: Part B publishes surveillance data indicating the presence and levels of occurrence of designated food additives, residues and contaminants in foods, food supplements and animal feed. Data using validated methods must meet stipulated quality standards to be acceptable and must be presented in a prescribed format for subsequent data-handling. Food Additives & Contaminants: Part B restricts its scope to include certain classes of food additives, residues and contaminants. This is based on a goal of covering those areas where there is a need to record surveillance data for the purposes of exposure and risk assessment. The scope is initially restricted to: Additives - food colours, artificial sweeteners, and preservatives; Residues – veterinary drug and pesticide residues; Contaminants – metals, mycotoxins, phycotoxins, plant toxins, nitrate/nitrite, PCDDs/PCFDs, PCBs, PAHs, acrylamide, 3-MPCD and contaminants derived from food packaging. Readership: The readership includes scientists involved in all aspects of food safety and quality and particularly those involved in monitoring human exposure to chemicals from the diet. Papers reporting surveillance data in areas other than the above should be submitted to Part A . The scope of Part B will be expanded from time-to-time to ensure inclusion of new areas of concern.