Saccharification of bamboo carbohydrates for the production of ethanol

Journal Article · Fri Apr 01 00:00:00 EST 1983 · Biotechnol. Bioeng.; (United States)

DOI:https://doi.org/10.1002/bit.260250415· OSTI ID:5793761

De Menezes, T J.B.; Azzini, A; Dos Santos, C L.M.

Bamboo carbohydrates were hydrolyzed with commercial amylases and a mixture of fungal culture broths containing cellulolytic and hemicellulolytic enzymes. The effects of cooking temperature and the size of fiber particles were also investigated. It was found that the higher the cooking temperature, the higher the rate of sugar formation and the lower the viscosity of the slurry. Additions of cellulose and hemicellulose digesting enzymes increased the sugar yield and decreased the viscosity of both the cooked and noncooked slurries. A smaller size of particle appeared to favor the average saccharification rate. Although glucose, xylose, and cellobiose were present in the hydrolysates, only 50% of the total carbohydrate was digested, and 78.9% of this was converted to reducing sugars. The alcohol efficiency for the fermentation of cooked and noncooked mashes by Saccharomyces was about 85%.

• Research Organization: Instituto de Tecnologia de Alimentos, Caixa Postal 139, 13.100, Campinas, Sao Paulo
• OSTI ID: 5793761
• Journal Information: Biotechnol. Bioeng.; (United States), Vol. XXV:4
• Country of Publication: United States
• Language: English

Related Subjects

09 BIOMASS FUELS
ETHANOL
PRODUCTION
ETHANOL FUELS
GRASS
ENZYMATIC HYDROLYSIS
AMYLASE
CARBOHYDRATES
EFFICIENCY
FERMENTATION
GLUCOSE
TEMPERATURE DEPENDENCE
XYLOSE
ALCOHOL FUELS
ALCOHOLS
ALDEHYDES
BIOCONVERSION
CHEMICAL REACTIONS
DECOMPOSITION
ENZYMES
FUELS
GLYCOSYL HYDROLASES
HEXOSES
HYDROLASES
HYDROLYSIS
HYDROXY COMPOUNDS
LYSIS
MONOSACCHARIDES
O-GLYCOSYL HYDROLASES
ORGANIC COMPOUNDS
PENTOSES
PLANTS
SACCHARIDES
SOLVOLYSIS
SYNTHETIC FUELS
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