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Innovative methods to generate clean sugar stream from biomass feedstocks for efficient fermentation

Sorghum stalks were evaluated to generate clean sugars; enzymatic hydrolysis efficiency of acid pretreated biomass was significantly low (12.3 g sugar/g pretreated biomass) compared to alkali method (49.1 g sugar/g pretreated biomass). Inhibitory compounds derived from acid pretreatment, such as hyd...

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Published in:	Bioprocess and biosystems engineering 2017-04, Vol.40 (4), p.633-641
Main Authors:	Lee, Jung-Eun, Guragain, Yadhu N., Bastola, Krishna P., Vadlani, Praveen V.
Format:	Article
Language:	English
Subjects:	Acetic acid Activated charcoal Biomass Biotechnology Carbohydrates - chemistry Charcoal Chemistry Chemistry and Materials Science Detoxification Environmental Engineering/Biotechnology Enzyme kinetics Fermentation Food Science Hydrolysis Industrial and Production Engineering Industrial Chemistry/Chemical Engineering Plant Stems - chemistry Research Paper Sorghum Sorghum - chemistry Sugar
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creator	Lee, Jung-Eun Guragain, Yadhu N. Bastola, Krishna P. Vadlani, Praveen V.
description	Sorghum stalks were evaluated to generate clean sugars; enzymatic hydrolysis efficiency of acid pretreated biomass was significantly low (12.3 g sugar/g pretreated biomass) compared to alkali method (49.1 g sugar/g pretreated biomass). Inhibitory compounds derived from acid pretreatment, such as hydroxymethyl furfural (HMF) and furfural, were effectively removed using an appropriate detoxification method using 1% (w/v) activated charcoal. The resin mixture containing cationic exchangers (DOWEX 50WX8) and anionic exchangers (IRA 743) in 7:3 ratio at pH 2.7 completely removed HMF, acetic acid and formic acid with less than 2% (w/w) sugar loss, leading to efficient detoxification of inhibitory compounds.
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subjects	Acetic acid Activated charcoal Biomass Biotechnology Carbohydrates - chemistry Charcoal Chemistry Chemistry and Materials Science Detoxification Environmental Engineering/Biotechnology Enzyme kinetics Fermentation Food Science Hydrolysis Industrial and Production Engineering Industrial Chemistry/Chemical Engineering Plant Stems - chemistry Research Paper Sorghum Sorghum - chemistry Sugar
title	Innovative methods to generate clean sugar stream from biomass feedstocks for efficient fermentation
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