alexa Pretreatment of paddy straw with Trametes hirsuta for improved enzymatic saccharification.
Environmental Sciences

Environmental Sciences

Journal of Biodiversity, Bioprospecting and Development

Author(s): Saritha M, Arora A, Nain L

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Abstract Delignification of paddy straw with the white-rot fungus, Trametes hirsuta under solid state fermentation, for enhanced sugar recovery by enzymatic saccharification was studied. T. hirsuta MTCC136 showed high ligninase and low cellulase activities. Solid state fermentation of paddy straw with T. hirsuta enhanced carbohydrate content by 11.1\% within 10 days of incubation. Alkali extracts of Trametes pretreated paddy straw showed high absorbance at 205 nm indicating high lignin break down. The amount of value-added lignin recovered from the Trametes pretreated paddy straw was much higher than controls. Enzymatic hydrolysis of the Trametes pretreated paddy straw yielded much higher sugars than controls and yields increased till 120 h of incubation. Saccharification efficiency of the biologically pretreated paddy straw with Accelerase®1500 was 52.69\% within 72 h and was higher than controls. Thus, the study brings out the delignification potential of T. hirsuta for pretreatment of lignocellulosic substrate and facilitating efficient enzymatic digestibility of cellulose. Copyright © 2011 Elsevier Ltd. All rights reserved. This article was published in Bioresour Technol and referenced in Journal of Biodiversity, Bioprospecting and Development

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