Productivity of some mycotoxins in fungi isolated from Iraqi soil

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Abstract
From the 20 soil samples collected at date-plantation in Iraq, 56 molds were isolated. The fungal species were Aspergillus flavus, A, caespitosus, A, fumigatus, Emericella nidulans, E, variecolor, E, acristata, Chaetomium spp., and the other Ascomycetes and Deuteromycetes. The lethal toxicity of ethyl acetate extracts of the moldy rice was ex amined by intraperitoneal injection to mice. Many of the molds were found to be toxigenic. By TLC analysis, the productivity of aflatoxin, sterigmatocystin, asteltoxin, verruculogen and fumitremorgin was confirmed on some of the isolates. A new toxic metabolite, tentati vely designated as EQ-1, was isolated from Emericella quadrilineata strain No. 83-Ir-4-7.

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