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

  • BC Adebayo-Tayo
  • AA Onilude
  • AA Ogunjobi
  • JS Gbolagade
  • MO Oladapo
Keywords: Bush mango, aflatoxin, mycoflora, Aspergillus, Nigeria.

Abstract

A survey of the fungi and aflatoxin contamination of bush mango seeds (Irvingia spp.) was conducted in Akwa lbom 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 103 –4.3 x 103 colonies/g). The aflatoxins B1 and G1 concentrations ranged from 0.2 – 4.0 and 0.3 – 4.2 ìg/kg, respectively. The result showed that bush mango seeds sold in Akwa lbom markets require quality control and proper preservation.
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