pnut pnut Peanut Science 0095-3679 0095-3679 American Peanut Research and Education Society 10.3146/i0095-3679-10-2-1 Articles Comparison of the Amounts of Aflatoxin Extracted From Raw Peanuts Using AOAC Methods I and II1 T. B. Whitaker and J. W. Dickens 2 Agricultural Engineer and Research Leader, respectively, USDA, Agricultural Research Service, Weaver Laboratory, Raleigh, NC, 27695-7625

1Paper No. 8801 of the Journal Series of the North Carolina Agricultural Research Service (NCARS), Raleigh, NC. The use of trade names in this publicaiton does not imply endorsement by the United States Department of Agriculture or NCARS of the products named, nor criticism of similar ones not mentioned.

 7 1983 10 2 52 54 3 8 1983 American Peanut Research and Education Society 1983 American Peanut Research and Education Society Abstract

Four lots of raw shelled peanuts, naturally contaminated with aflatoxin, were each ground into a paste. Sixty-four 50-g samples were removed from three of the lots and forty 50-g samples were removed from the fourth lot. For each lot, aflatoxin was extracted from half of the samples by the AOAC Method I (CB) and from the remaining half by the AOAC Method II (BF). The 4 lots averaged 57.8, 127.6, 238.5, and 447.1 parts per billion (ppb) total aflatoxin when measured by the CB method. On the average across the four lots, the BF method extracted 26, 25, 22, and 18% less aflatoxin B1, B2, G1, and G2, respectively, than the CB method.

 Key Words Aflatoxin; , peanuts; , extraction; , efficiency; , AOAC Methods I and II