Evaluation of the tetracycline residues in pasteurized milks distributed in Tehran by HPLC method

authors:

avatar Arasb Dabbagh Moghaddam 1 , * , avatar Ladan Tayebi 2 , avatar Hamidreza Falahatpisheh 3 , avatar Masoud Mahmoudian 4 , avatar Naghmeh Kowsari 3 , avatar Hessameddin Akbarein 5 , avatar Alireza Sabzikar 6

Lecturer, Faculty of Medicine, AJA University of Medical Sciences, Tehran- Iran, Andorra
- Researcher, Pars Biopharmacy Research Co., Tehran, Iran, Andorra
Researcher, Pars Biopharmacy Research Co., Tehran, Iran, Andorra
Professor, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran., Andorra
Researcher, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran, Andorra
Researcher, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran., Andorra
Annals of Military and Health Sciences Research: Vol.11, issue 4; e64653
published online: December 05, 2013
article type: Original Article
received: August 24, 2013
accepted: November 17, 2013

how to cite: Dabbagh Moghaddam A, Tayebi L , Falahatpisheh H , Mahmoudian M , Kowsari N , et al. Evaluation of the tetracycline residues in pasteurized milks distributed in Tehran by HPLC method. Ann Mil Health Sci Res. 2013;11(4):e64653. 

Abstract

Background: With developing new methods of animal husbandry and increasing the prevalence of diseases, using of antibiotics becomes common in assurance of growth and prevention of systemic diseases and mastitis in dairy herds. Ignorance or negligence of withdrawal time or using more antibiotics than prescribed, are two common causes of antibiotic residues. Due to the harmful effects of drug residues on human health, it is important to monitor their residues in foods. Materials and methods: 56 pasteurized milk samples of different brands have gathered from Tehran retailers haphazardly. Screening test performed by Delvotest kit and the positive samples referred for HPLC test. Results: The results of screening test showed the presence of different kinds of antibiotics in 33.93% of samples. HPLC determined that 26.3% of positive samples (8.93 % of total samples) were contaminated by tetracyclines more than Maximum Residue Level/Limit (MRL) and other samples had other antibiotics. Conclusions: According to dairy per capita consumption of Iranians, these rates of contamination affect considerable part of population especially vulnerable groups like children, pregnant women, elderly and patients. This research shows the necessity of legislative and food inspecting organizations to control and minimize these kinds of contaminations. More research is recommended on other dairy foods

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