happyjyl
第13楼2008/04/23
Aflatoxin producing members of Aspergillus are common and widespread in nature. They can colonize and contaminate grain before harvest or during storage. Host crops are particularly susceptible to infection by Aspergillus following prolonged exposure to a high humidity environment or damage from stressful conditions such as drought, a condition which lowers the barrier to entry.
The native habitat of Aspergillus is in soil, decaying vegetation, hay, and grains undergoing microbiological deterioration and it invades all types of organic substrates whenever conditions are favorable for its growth. Favorable conditions include high moisture content (at least 7%) and high temperature.
Crops which are frequently affected include cereals (maize, sorghum, pearl millet, rice, wheat), oilseeds (peanut, soybean, sunflower, cotton), spices (chile peppers, black pepper, coriander, turmeric, ginger), and tree nuts (almond, pistachio, walnut, coconut, brazil nut).
The toxin can also be found in the milk of animals which are fed contaminated feed.
Virtually all sources of commercial peanut butter contain minute quantities of aflatoxin,[2] but it is usually far below the US Food and Drug Administration's (FDA) recommended safe level.
根据上面这段英文,黄曲霉菌是广泛存在于自然界的,谷物在被收割之前和贮存期间都可能感染黄曲霉菌。主要农作物长期暴露于高湿环境下尤其可能感染黄曲霉菌。当干旱等天灾导致市场准入门槛降低时也可能会使农作物受感染。谷类、油料籽实、香料和树的果实都属于易受黄曲霉菌感染的类型。用被黄曲霉菌感染的饲料喂养的动物,其乳汁中也会发现毒素。几乎所有市售花生酱中都含有微量的黄曲霉素,但含量远低于美国食品药品监督管理局推荐的安全标准。所以我觉得你不用太担心。
小鸟飞翔
第14楼2008/04/23
给大家吃了个定心丸。
biootech001
第17楼2008/11/03
黄曲霉度素主要检测主要检测谷类、饲料、花生、酒中的黄曲霉。黄曲霉毒素中B1致癌最强。,B1是黄曲霉毒素的重要组成成分。
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美国BIOO黄曲霉毒素试剂盒说明书