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Acta botánica mexicana
versión On-line ISSN 2448-7589versión impresa ISSN 0187-7151
Resumen
FAPOHUNDA, Stephen O. y OLAJUYIGBE, O. O.. Studies on stored cereal degradation by alternaria tenuissima. Act. Bot. Mex [online]. 2006, n.77, pp.31-40. ISSN 2448-7589.
The ability of a strain of Alternaria tenuissima Kunze (IMI 301005) Wiltshire to degrade and alter the nutrient profile of three common Nigerian cereals was studied. The grains involved were Pennisetum glaucum, Sorghum vulgare and Oryza sativa. Fat, fibre and protein decreased in the inoculated substrates, and this was accompanied by an increase in ash content. The highest levels of cereal degradation by the mould were attained at pH 6.8 and at temperature range of 30-35 °C. Within 48 hours of incubation, extracellular proteases were detected in all the culture media.
Palabras llave : Alternaria tenuissima; cereal; nutrient's degradation.