Conference Proceedings (Papers in Conference Proceedings)
Total reuse of brewer’s spent grain in chemical and biotechnological processes for the production of added-value compounds
- Mussatto, Solange I.; Dragone, Giuliano; Teixeira, José A.; Roberto, Inês Conceição
- Proceedings of the Bioenergy: Challenges and Opportunities - International Conference and Exhibition on Bioenergy. Vol. 2008, Guimarães, Portugal, April 6th-9th, 2008
Publisher: CEBIO
Abstract
Brewer’s spent grain was fractionated by means of three different procedures: dilute acid hydrolysis, for the hemicellulose recovery; alkaline hydrolysis, for the lignin solubilization, and enzymatic hydrolysis, for the cellulose conversion into glucose. The best hydrolysis conditions were optimized to each case. The cellulosic and hemicellulosic hydrolysates produced under these conditions were used as fermentation medium for the production of lactic acid and xylitol, respectively. The efficiency of hemicellulose acid hydrolysis was >85% for all the evaluated conditions, but xylitol productio ...
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