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Some chemical and biochemical changes in straw constituents during growth of P. flabellatus (Berk and Br.) Sacc.

Rajarathnam, S. and Wankhede, D. B. and Patwardhan, M. V. (1979) Some chemical and biochemical changes in straw constituents during growth of P. flabellatus (Berk and Br.) Sacc. European Journal of Applied Microbiology and Biotechnology, 8 (1-2). pp. 125-134.

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Abstract

The quantitative changes in constituents of rice straw during different stages of growth of the fungus Pleurotus flabetlatus were investigated. Cellulose, hemicellulose(s), lignin, total carbon and total nitrogen showed a continuous decrease from inoculation until the end of fruit body harvesting, whereas free sugars, total ash and C/N ratio increased. As calculated on constant ash basis, 14 and 13.9% of cellulose, 6.6 and 7% of hemicellulose(s) and 4 and 1.5% of lignin were decomposed during the mycelial growth and fructification respectively. Total N decreased by 0.16 and 0.23% during the mycelial growth and fructification respectively. The progressive breakdown of cellulose and hemicellulose( s) was correlated to an apparent increase in the activities of celullase and hemicellulase(s). The trend in development of cellulases and/3-glucosidase activities in the substrate during different stages of its growth was demonstrated.

Item Type: Article
Uncontrolled Keywords: quantitative changes, rice straw, Pleurotus flabetlatus, fruit body harvesting
Subjects: 500 Natural Sciences and Mathematics > 07 Life Sciences > 04 Microbiology > 04 Fungi
Divisions: Fruit and Vegetable Technology
Protein Chemistry and Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 05 Mar 2018 09:22
Last Modified: 05 Mar 2018 09:22
URI: http://ir.cftri.com/id/eprint/5394

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