Abstract
Rice straw, used as a substrate for three successive crops of the fruiting bodies ofPleurotus florida having 22% protein, had less cellulose but more nitrogen and ash than the original straw.In vitro digestibility using bacterial cellulase released 4.3-fold more reducing sugars per g cellulose from spent straw than from plain straw. There was 8-fold increase in biogas production from the spent straw compared with the original when used either in 3∶1 (w/w) or 1∶1 (w/w) combination with cattle dung.
Résumé
La paille de riz, utilisée comme substrat pour trois récoltes successives de corps fruités dePleurotus florida, à 22% de protéines, contenait moins de cellulose mais plus d'azote et de cendres que la paille originelle. La digestionin vitro par une cellulase bactérienne, relarguait 4.3 fois plus de sucres réducteurs par g de cellulose à partir de la paille résiduaire qu'à partir de la paille originelle. On observe un accroissement de 8 fois dans la production de biogas à partir de la paille résidualle par rapport à la paille originelle lorsque cellesci sont utilisées en combinaison avec la bouse de vache dans les proportions soit de 3∶1 soit de 1∶1 (p/p).
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Mehta, V., Gupta, J.K. & Kaushal, S.C. Cultivation ofPleurotus florida mushroom on rice straw and biogas production from the spent straw. World J Microbiol Biotechnol 6, 366–370 (1990). https://doi.org/10.1007/BF01202116
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DOI: https://doi.org/10.1007/BF01202116