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KMID : 1007520200290030441
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Food Science and Biotechnology
2020 Volume.29 No. 3 p.441 ~ p.448
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Monitoring and risk assessment of tetracycline residues in foods of animal origin
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Bahmani Kiumars
Shahbazi Yasser
Nikousefat Zahra
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Abstract
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A total of 450 samples consisting of red meat, poultry meat, aquatic product and raw milk were collected during winter 2016 and summer 2017. 22.2% (100/450) of collected meat and raw milk samples were found to be contaminated with antibiotic residues in the initial screening using Premi®test. According to the enzyme linked immunosorbent assay (ELISA) results, the mean tetracyclines (TCs) concentration of meat samples determined as follows: chicken (155.41 μg/kg)?>?turkey (138.68 μg/kg)?>?quail (130.7 μg/kg)?>?cow (108.92 μg/kg)?>?calf (105.18 μg/kg)?>?goat (99.4 μg/kg)?>?sheep (95.22 μg/kg)?>?rainbow trout (35.62 μg/kg)?>?shrimp (31.80 μg/kg). The content of TCs in cow, goat and sheep milk samples were found to be ranged 45.6?163.5 μg/L, 72.4?101.1 μg/L and 65.5?98.9 μg/L, respectively. 5.7% (26/450) of samples had TCs confirmed the ELISA results using high performance liquid chromatography coupled with ultra-violet detection, although the concentration of TCs residues in samples was higher than that of ELISA.
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KEYWORD
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Tetracycline, Risk assessment, Meat, Milk, Iran
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