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Aflatoxin B(2), a blue-fluorescent metabolite of Aspergillus flavus, was isolated from cultures grown on crushed wheat. Chemical structure of the compound was elucidated as dihydroaflatoxin B(1). Biological activity was determined in day-old male white Pekin ducklings. The criteria of activity were reduction in growth and liver size and the extent of bile-duct hyperplasia.

Lipid extracts were isolated from unripe and ripe banana pulp and peel and the fatty acid composition of the extracts was determined. Unsaturated acids, particularly linoleic and palmitoleic, decreased about 3-fold in the pulp while more than a P-fold increase in stearic acid occurred. In general, unsaturated fatty acids decreased in both the pulp and peel during ripening. The peel contained almost 4 times more lipid than the pulp.

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