Madras Agricultural Journal
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SURVEILLANCE OF TOXIGENIC FUNGI AND AFLATOXINS IN RICE AND PADDY GRAINS

Abstract

A total of 337 samples of paddy grain and rice were surveyed for the incidence of toxigenic fungi and aflatoxins in a few districts of Tamil Nadu. The fungal contamination on paddy was greater than on rice and were mostly field fungi. The major toxigenic fungi included species of Aspergillus and Penicillium. The aflatoxin contamination was at a low percentage in the samples surveyed. The aflatoxin B1 level ranged from trace to 40 pg/kg rice and up to 20 µg/kg paddy. However rice and paddy grain supplied through the public distribution system did not show aflatoxin B1 above tolerance level.

Keywords: Toxigenic fungi, Aflatoxin, Rice.

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