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Testing shelled corn for aflatoxin. Part III: Evaluating the performance of aflatoxin sampling plans.

JOHANNSSON, A.S., WHITAKER, T.B., GIESBRECHT, F.G., HAGKER, W.M. and YOUNG, J.H.

Journal of AOAC International 83: 1279-1284.

2000

บทคัดย่อ

Testing shelled corn for aflatoxin. Part III: Evaluating the performance of aflatoxin sampling plans.

The effects of changes in sample size and/or sample acceptance level on the performance of aflatoxin sampling plans for shelled corn were investigated. Six sampling plans were evaluted for a range of sample sizes and sample acceptance levels. For a given sample size, decreasing the sample acceptance level decreases the percentage of lots accepted while increasing the persentage of lots rejected at all aflatoxin concentrations, and decreases the average aflatoxin concentration in lots accepted and lots rejected. For a given sample accepted level that equals the regulatory guideline, increasing the sample size decreases misclassification of lots, both false positives and false negatives.