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Updated: May 12, 2026

Inhibition of Aspergillus flavus Growth and Aflatoxin Production in Transgenic Maize Expressing the α-amylase Inhibitor from Lablab purpureus L.
Published on: February 15, 2019
Production of extracellular enzymes and aflatoxins in solid substrate fermentation with aflatoxigenicAspergillus spp
Ao Alzwei1, Ke Aidoo, Am Elgerbi
1School of Biological and Biomedical Sciences, Glasgow Caledonian University, Cowcaddens Road, G4 OBA, Glasgow, UK, K.Aidoo@gcal.ac.uk.
Abstract:
AflatoxigenicAspergillus flavus andAspergillus parasiticus were subjected to solid substrate fermentation process for 6 days to determine the formation of aflatoxins and production of extracellular enzymes (amyloglucosidase, cellulase, invertase and proteinase). Both organisms produced enzymes which generally increased with fermentation.Aspergillus flavus produced four enzymes whereasA. parasiticus produced three with no proteinase activity.Aspergillus parasiticus produced aflatoxins B1, B2 and G1 but no G2 andA. flavus produced aflatoxins B1 and B2. Invertase showed the highest activity withA. parasiticus and that corresponded with the highest total toxin produced. The enzyme activities were higher withA. parasiticus thanA. flavus although total toxins produced byA. parasiticus were lower than total toxins produced byA. flavus under the same environmental conditions.
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