Journal
FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT
Volume 23, Issue 2, Pages 196-201Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02652030500398379
Keywords
aflatoxin M-1 ( AFM(1)); cyclopiazonic acid ( CPA); residues; occurrence; milk
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Aflatoxin M-1 (AFM(1)) and cyclopiazonic acid (CPA) were determined in 48 samples of grade A-C and ultra-high-temperature (UHT)-treated fluid commercial milk from Sao Paulo, Brazil, from July to December 2004. AFM(1) and CPA determinations were carried out by HPLC. Results showed 37 (77.1%) positive samples for AFM(1) at levels of 0.011 - 0.251 mu g l(-1) milk, which were below the tolerance limit for AFM(1) in milk as adopted by Brazilian regulations. Mean levels of AFM(1) in grades A - C and UHT milk were 0.060 +/- 0.080, 0.056 +/- 0.063, 0.064 +/- 0.041 and 0.075 +/- 0.048 mu g l(-1), respectively. CPA was detected in two samples (4.2%) of grade A milk at levels of 6.4 and 9.7 mu g l(-1). This is the first report of the occurrence of CPA in milk in Brazil. It was concluded that the incidence of AFM(1) in milk traded in Sao Paulo is low, but the simultaneous occurrence of CPA, even at low levels, warrants concern about AFM(1) in milk and milk products.
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