Topic
Solid-state fermentation
About: Solid-state fermentation is a research topic. Over the lifetime, 5311 publications have been published within this topic receiving 113337 citations.
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TL;DR: Xylose was found to be the major end product with traces of glucose in the enzymatic hydrolyzates of all the substrates and xylanase activity under optimized parameters was 8450 U/g with very poor cellulase activity.
98 citations
TL;DR: Two successive phases could be defined during straw transformation, characterized by changes in respiratory activity, changes in lignin and polysaccharide content and composition, increase in in-vitro digestibility, and enzymatic activities produced by the fungi.
Abstract: The kinetics of straw solid-state fermentation (SSF) with Trametes versicolor and Pleurotus ostreatus was investigated to characterize the delignification processes by these white-rot fungi. Two successive phases could be defined during straw transformation, characterized by changes in respiratory activity, changes in lignin and polysaccharide content and composition, increase in in-vitro digestibility, and enzymatic activities produced by the fungi. Lignin composition was analysed after CuO alkaline degradation, and decreases in syringyl/guaiacyl and syringyl/p-hydroxyphenyl ratios and cinnamic acid content were observed during the fungal treatment. An increase in the phenolic acid yield, revealing fungal degradation of side-chains in lignin, was produced by P. ostreatus. The highest xylanase level was produced by P. ostreatus, and exocellulase activity was nearly absent from straw treated with this fungus. Lactase activity was found in straw treated with both fungi, but lignin peroxidase was only detected during the initial phase of straw transformation with T. versicolor. High levels of H2O2-producing aryl-alcohol oxidase occurred throughout the straw SSF with P. ostreatus.
98 citations
TL;DR: Rapeseed meal has been used as a low-cost raw material for the production of a generic microbial feedstock through a consolidated bioconversion process and nutritional similarity between the feedstock and a mixture of commercial peptone and yeast extract was confirmed.
98 citations
TL;DR: The PlaFractor™ (pronounced play-fractor) as discussed by the authors is a state-of-the-art solid matrix fermentation (SFS) bioreactor for the production of enzymes, biocontrol agents and pharmaceutical products.
98 citations
TL;DR: A chitinolytic fungus, Beau6eria bassiana was isolated from marine sediment and significant process parameters influencing chitinase production in solid state fermentation using wheat bran were optimised and the maximum enzyme yield was 246·6 units g 1 initial dry substrate (U gIDS 1 ).
98 citations