Aflatoxin B1 and sterigmatocystin survey in beer sold in China

ABSTRACT A total of 101 samples of beer from the Chinese market were analysed for the presence of aflatoxin B1 (AFB1) and sterigmatocystin (STC), using methods based on liquid chromatography–tandem mass spectrometry. The limit of quantification and the limit of detection in beer were 0.1 and 0.03 µg/kg, respectively. Recoveries of AFB1 and STC from spiked beer samples were 97.8–103.6% and 92.7–102.1%, respectively. None of the beer purchased samples were contaminated with AFB1 or STC.

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