Biodegradation of water hyacinth by growing Pleurotus ostreatusand P. sajor-cajuand trial for using in production of mushroom spawn

Mahmoud, Y. A.-G. (2006) Biodegradation of water hyacinth by growing Pleurotus ostreatusand P. sajor-cajuand trial for using in production of mushroom spawn. Acta Alimentaria, 35 (1). pp. 63-72. ISSN 0139-3006

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Abstract

Two Pleurotusspecies were used to ferment water hyacinth (Eichhornia crassipes) plants without roots. The mushroom delignified the lignocellulose of water hyacinth and produced sugar, protein and organic matter. Pleurotus ostreatusand P. sajor-cajudelignified 26.2±2.0 and 30.4±3.0% of the plants and utilized most of its hemicellulose after 7 weeks under its growing condition more than in solid-state fermentation. The produced biomass was enriched with mycelia protein, organic matter and reducing sugars, which increased gradually with incubation time. The effect of incubation time and moisture contents on spawn production by using chopped water hyacinth biomass was also studied. Seventy percent moisture content and 14 days of incubation are the optimum conditions for spawn production for both tested Pleurotusspecies.

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