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  • Title: A convenient thin layer chromatographic cleanup procedure for screening several mycotoxins in oils.
    Author: Hagan SN, Tietjen WH.
    Journal: J Assoc Off Anal Chem; 1975 May; 58(3):620-1. PubMed ID: 1170165.
    Abstract:
    A thin layer chromatographic cleanup development with benzene-hexane (3+1) effectively removed lipids and some contaminants from mixtures of mycotoxins in corn oil, olive oil, peanut oil, soybean oil, and seed extracts. A second development in the same direction as the first, using toluene-ethyl acetate-formic acid (6+3+1) or benzene-acetic acid (9+1), separated the mycotoxins. Satisfactory separation was achieved for commercial oils spiked with sterigmatocystin, zearalenone, ochratoxins A, B, and C, and aflatoxins B1, B2, G1, and G2. This technique permits detection of 5 ppb aflatoxin B1 in corn.
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