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Improvement of the bioconversion and biotransformation efficiencies of the oyster mushroom Pleurotus sajor-caju by supplemention of its rice straw substrate with oil seed cakes.

Zakia, Bano. and Shashirekha, M. N. and Rajarathnam, S. (1993) Improvement of the bioconversion and biotransformation efficiencies of the oyster mushroom Pleurotus sajor-caju by supplemention of its rice straw substrate with oil seed cakes. Enzyme and Microbial Technology, 15 (11). pp. 985-989.

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Abstract

Supplementing the rice straw substrate colonized by the mushroom, Pleurotus sajor-caju, withpowdered oil seed cakes (mustard, niger, sunjower, cotton, and soyabean) increased the mushroom yields between 50 and iOO%, compared to the unsupplemented substrate. Oil seed cake supplementation also effected an increase in the solubility of the rice straw substrate; there was an increase in the contents offree sugars and amino acids, and a decrease in cellulo-hemicellulosics. Correspondingly, there was also an increase in the activities of carboxymethylcellulase, hemicellulase, and protease. In vitro dry matter enzymatic digestibility measured by two-step enzymatic digestibility of the spent straw (material remaining from the straw substrate, supplemented with the oil seed cakes), indicated a signt$cant increase over that of the spent straw derived from the unsupplemented lot.

Item Type: Article
Uncontrolled Keywords: Pleurotus sujor-caju; rice straw; oil seed cake; bioconversion; biotransformation; biodegradation; cellulase; hemicellulase; protease; in vitro dry matter enzymatic digestibility
Subjects: 500 Natural Sciences and Mathematics > 07 Life Sciences > 04 Microbiology > 04 Fungi
600 Technology > 08 Food technology > 19 Lipids-oils/fats
Divisions: Fruit and Vegetable Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 08 Jun 2011 11:14
Last Modified: 28 Dec 2011 09:47
URI: http://ir.cftri.com/id/eprint/4363

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