Abstract
The fluorescence method of detecting aflatoxin-producing strains of Aspergillus flavus and related species utilizes the ultraviolet-induced fluorescence of aflatoxin produced in a modified Czapek's solution agar containing corn steep liquor, HgCl2, and (NH4)H2PO4 instead of NaNO3. The presence of aflatoxin is confirmed by thin-layer chromatography of CHCl3 extracts of the fluorescing agar.
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