Tetracycline and ciprofloxacin multiresidues in beef and chicken meat samples using indirect competitive ELISA
In livestock and poultry, broad-spectrum antibiotics such as tetracyclines and fluoroquinolones are widely used; thus, controlling food productions made from these animals is a necessary task. Meat may contain residues of antibiotics, even in low concentrations, which can cause a selection pressure for antibiotic resistance. Therefore, measurement of amounts of antibiotics in meat is of major importance. A total of 41 beef and 41 chicken meat samples were collected for 1 year. Tetracycline and ciprofloxacin were extracted from samples and tested by an indirect competitive enzyme-linked immunosorbent assay. Overall, 100% of the beef and more than 95% of the chicken meat samples were positive for ciprofloxacin. Only one of the chicken meat samples had concentrations of ciprofloxacin higher than maximum residue limit (MRL). For ciprofloxacin, none of the beef meat samples exceeded the MRL. For tetracycline, 75% of the beef and 58% of the chicken meat samples were positive. All of the samples had concentrations of tetracycline lower than MRL. It was revealed that the chicken meat samples had higher levels of both antibiotics than those of beef samples. The amounts of tested antibiotics were not high in the meat samples, consequently using of beef and chicken meat by consumers in Iran is not resulted in entrance of high amounts of the antibiotics into human body.
Article: Taylor & Francis OnlineSecure Foods
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