Survey of the mycoflora and mycotoxins of cotton seeds and cotton seed products in Egypt.

Abstract:

:Thirty-nine species and 16 fungal genera were isolated from Egyptian cotton seeds, cotton seed meal and cotton seed cake on 1% glucose-Czapek's agar medium incubated at 28 degrees C. Aspergillus was the most frequent genus and it emerged in 87-100% of the samples contributing 70-98% of total fungi in the three substrates tested. The most common species were A. niger, A. flavus, A. fumigatus, A. terreus and Rhizopus stolonifer; A. niger, A. fumigatus and Penicillium corylophilum; and A. niger, A. flavus, A. terreus, A. nidulans and Rhizopus stolonifer, respectively. Cotton seeds and cotton seed products were naturally contaminated by aflatoxin B1 and B2. About 16% of the different substrates tested were positive for aflatoxin contamination. No citrinin, ochratoxin A, patulin, sterigmatocystin, diacetoxyscirpenol, T-2 toxin or zearalenone were detected in the samples assayed.

journal_name

Mycopathologia

journal_title

Mycopathologia

authors

Mazen MB,el-Kady IA,Saber SM

doi

10.1007/BF00437536

subject

Has Abstract

pub_date

1990-06-01 00:00:00

pages

133-8

issue

3

eissn

0301-486X

issn

1573-0832

journal_volume

110

pub_type

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