Journal
MYCOPATHOLOGIA
Volume 155, Issue 3, Pages 155-160Publisher
SPRINGER
DOI: 10.1023/A:1020427527963
Keywords
aflatoxins; Aspergillus flavus; mycoflora; spices
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One hundred and five samples of seven spices (cumin, cinnamon, clove, black pepper, cardamom, ginger, and coriander) were purchased from five popular companies in the Sultanate of Oman. The spices were surveyed for the mycoflora. and aflatoxins. Twenty fungal species were isolated in which Aspergillus-flavus, A. niger. Penicillium, Rhizopus, and Syncephalastrum racemosum were the most dominant. When colony forming units per gm (cfu/gm) of fungi were compared, significant differences were found among spices and companies. Of the seven spices studied, clove was found to be the least contaminated, while cumin was the most contaminated. None of the 15 selected samples of the spices contaminated by A. flavus were found to contain aflatoxins. Nevertheless, nine isolates (45%) of the twenty A. flavus strains screened for aflatoxins were aflatoxigenic. The moisture content of most of the spices was below the maximum standard limit. The results showed that the spices were contaminated by some fungi that might constitute health hazards for humans.
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