Abstract
The presence of chloramphenicol residues in milk can cause toxic effects on the exposed population. The aim of this work was to investigate the occurrence of chloramphenicol in milk samples commercialized in the state of Parana, Brazil. 151 pasteurized milk samples, type B and C of 61 different marks, commercialized in 35 cities were analyzed. Chloramphenicol residues were examined by enzyme immunoassay (ELISA). Chloramphenicol residues were detected in four (2.6%) out of the milk samples analyzed, being two samples of type B and two of type C. These data show that either this antibiotic is still being used in animals destined to human consumption or there is environmental contamination. Thus, monitoring programs are needed to verify veterinary drug residues in food to certify its quality and, consequently, protection of human health.
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