Abstract
The present study reports the pretreatment of paddy straw by Trichoderma reesei MTCC 164 and Coriolus versicolor MTCC 138 to observe the changes in chemical composition and its correlation with change of surface structure, morphology and porosity of paddy straw. Compared with untreated straw, cellulose decreased by 15.9 and 19.3 % in T. reesei MTCC 164 and C. versicolor MTCC 138 pretreated paddy straw respectively. Lignin content increased by 41.4 % in T. reesei pretreated paddy straw whereas decreased by 19.1 % in C. versicolor pretreated straw. The microscopic structural changes were examined by scanning electron microscopy under reasonable conditions. Results showed that digestibility of paddy straw are increased by treating paddy straw with both the cultures. Both surface area and pore size of treated straw were increased partially due to solubilization of silica components.
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References
Thygesen A, Thomsen AB, Schmidt AS, Jorgensen H (2003) Production of cellulose and hemicelluloses degrading enzymes by filamentous fungi cultivated on wet oxidized wheat straw. Enzym Microbiol Technol 32:606–615
Saratale GD, Chen SD, Lo YC, Saratale RG, Chang JS (2008) Outlook of biohydrogen production from lignocellulosic feedstock using dark fermentation-a review. J Sci Ind Res 67:962–979
Hendriks ATWM, Zeeman G (2009) Pretreatments to enhance the digestibility of lignocellulosic biomass. Bioresour Technol 100:10–18
Phutela UG, Sahni N, Sooch SS (2011) Fungal degradation of paddy straw for enhancing biogas production. Indian J Sci Technol 4:660–665
AOAC (2000) Association of Official Analytical Chemists, official methods of analysis, 17th edn. AOAC, Gaithersburg
Kahlon SS, Dass SK (1987) Biological conversion of paddy straw into feed. Biol Wastes 22:11–21
Shi J, Shivappa RRS, Chinn M, Howell N (2009) Effect of microbial pretreatment on enzymatic hydrolysis and fermentation of cotton stalks for ethanol production. Biomass Bioenergy 33:88–96
Taniguchi M, Suzuki H, Watanabe D, Sakai K, Hoshino K, Tanaka T (2005) Evaluation of pretreatment with Pleurotus ostreatus for enzymatic hydrolysis of rice straw. J Biosci Bioeng 100:637–643
Lopez MJ, Vargas G, Suarez-Estrela F, Moreno J (2006) Biodelignification and humification of horticultural plant residues by fungi. Int Biodeterior Biodegrad 57:24–30
Zhang Q, Cai W (2008) Enzymatic hydrolysis of alkali pretreated rice straw by Trichoderma reesei ZM4-F3. Biomass Bioenergy 32:1130–1135
Xu Z, Wang Q, Jiang Z, Yang X, Ji Y (2007) Enzymatic hydrolysis of pretreated soybean straw. Biomass Bioenergy 31:162–167
Kuhad RC, Johri BN (1992) Fungal decomposition of paddy straw: light and scanning electron microscopic study. Indian J Microbiol 32:255–258
Yu CT, Chen WH, Men LC, Huang WS (2009) Microscopic structure features changes of rice straw treated by boiled acid solution. Ind Crops Prod 29:308–315
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Phutela, U.G., Sahni, N. Microscopic Structural Changes in Paddy Straw Pretreated with Trichoderma reesei MTCC 164 and Coriolus versicolor MTCC 138. Indian J Microbiol 53, 227–231 (2013). https://doi.org/10.1007/s12088-012-0321-8
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DOI: https://doi.org/10.1007/s12088-012-0321-8