Detection of fungi and aflatoxin in shelved bush mango seeds (Irvingia spp.) stored for sale in Uyo, Nigeria

A survey of the fungi and aflatoxin contamination of bush mango seeds (Irvingia spp.) was conducted in Akwa Ibom State, Nigeria. Bush mango seeds sold at four major markets, located at Abak, Uyo, Ikot Ekpene and Itam in Akwa Ibom State were heavily contaminated with moulds. Eight different fungi wer...

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Bibliographic Details
Published in:African journal of biotechnology 2006-10, Vol.5 (19), p.1729-1732
Main Authors: Adebayo-Tayo, B C, Onilude, A A, Ogunjobi, A A, Gbolagade, J S, Oladapo, MO
Format: Article
Language:English
Subjects:
Aspergillus candidus
Aspergillus carbonarius
Aspergillus flavus
Aspergillus niger
Candida tropicalis
Glaucus
Mangifera indica
Penicillium expansum
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Summary:A survey of the fungi and aflatoxin contamination of bush mango seeds (Irvingia spp.) was conducted in Akwa Ibom State, Nigeria. Bush mango seeds sold at four major markets, located at Abak, Uyo, Ikot Ekpene and Itam in Akwa Ibom State were heavily contaminated with moulds. Eight different fungi were found associated with the bush mango seeds; Aspergillus carbonarius, Aspergillus tereus, Aspergillus flavus, Aspergillus candidus, Penicillium expansum, Aspergillus niger, Candida tropicalis and Aspergillus glaucus. A. niger have the highest rate of occurrence with high colony counts (1.0 x 10 super(3) - 4.3 x 10 super(3) colonies/g). The aflatoxins B sub(1) and G sub(1) concentrations ranged from 0.2 - 4.0 and 0.3 - 4.2 mu g/kg, respectively. The result showed that bush mango seeds sold in Akwa Ibom markets require quality control and proper preservation.
ISSN:1684-5315
1684-5315