A Plan for Small-Scale Sampling of Retailed Grainy Peanut and Nut Products for Surveying Aflatoxin Contamination:Studies on Mycotoxins in Foods. V

概要

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A plan for sampling of retailed grainy peanut and nut products was designed on the basis of the law of binomial distribution to search for lots with aflatoxin (AF) contamination of 0.1% or more in kernel number and to estimate the proportion of contaminated kernels.In this plan a grainy sample (500-1000g) was divided into several subsamples of equal weight (100-200g) followed by comminution and re-mixture of comminuted subsamples, and AF analyses were performed on the mixed subsamples to estimate the contamination level of the original sample and on each subsample to obtain the proportion of contaminated kernels.In a 1981-1982 survey of 144 market samples collected in the Nagoya district, 2 lots of peanut samples were AF positive with AF B1 contamination levels of 40.0 and 418ppb; the proportions of contaminated kernels were 0.17 and 0.60%, respectively.
公益社団法人日本食品衛生学会の論文