波佐利（一种经碱法加工的玉米食品）中的黄曲霉毒素。
Aflatoxins in pozol, a nixtamalized, maize-based food.
作者信息
Méndez-Albores J A, Arámbula-Villa G, Preciado-Ortíz R E, Moreno-Martínez E
机构信息
CINVESTAV-IPN, Libramiento Norponiente 2000, Querétaro, C. P. 76230, Mexico.
出版信息
Int J Food Microbiol. 2004 Jul 15;94(2):211-5. doi: 10.1016/j.ijfoodmicro.2004.02.009.
To determine whether pozol, a nixtamalized maize-based food was contaminated with aflatoxins, samples of non-fermented pozol were collected during the period November 2002 to April 2003 from local markets at Comitan in Chiapas, Mexico. The samples were analyzed for the presence of aflatoxins. Nineteen out of one hundred and eleven samples were contaminated with aflatoxin B2 (AFB2) and traces of aflatoxin B1 (AFB1). The percentage of samples contaminated with AFB2 in pozol prepared with white maize was 5.4%. Pozol mixed with toasted cacao paste had a contamination rate of 41.5%. No aflatoxins were detected in pozol prepared with yellow maize. It was found that only 1 of 19 contaminated samples had aflatoxin concentrations above 20 ppb.
为确定经碱化处理的玉米食品pozol是否被黄曲霉毒素污染，于2002年11月至2003年4月期间，从墨西哥恰帕斯州科米坦的当地市场采集了未发酵的pozol样品。对这些样品进行了黄曲霉毒素检测分析。111个样品中有19个被黄曲霉毒素B2（AFB2）污染，并含有微量黄曲霉毒素B1（AFB1）。用白玉米制作的pozol中被AFB2污染的样品百分比为5.4%。与烤可可酱混合的pozol污染率为41.5%。用黄玉米制作的pozol中未检测到黄曲霉毒素。结果发现，19个受污染样品中只有1个的黄曲霉毒素浓度高于20 ppb。
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