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US 2011/0086408 A1Published application
Hemicellulase Enriched Compositions for Enhancing Hydrolysis of Biomass
AssigneeDanisco US Inc.
InventorsScott D. Power, Robert M. Caldwell, Suzanne E. Lantz, Edmund A. Larenas
Life of this patent
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Abstract
Described are compositions and methods relating to cellulase/hemicellulase enzyme blends for improving the enzymatic hydrolysis of cellulosic and hemicellulosic materials, as commonly found in biomass
Claims30
An enzyme blend composition for hydrolyzing a mixture of cellulosic and hemicellulosic materials, comprising:
- (a) a first enzyme composition comprising a cellulase,
- (b) a second enzyme composition comprising at least one xylanase selected from a GH10 or GH11 xylanase, and
- (c) a third enzyme composition comprising at least one additional hemicellulase that is not a GH10 or GH11 xylanase or not the same GH10 or GH11 xylanase as in (b),
- wherein the enzyme blend composition provides at least one of (i) enhanced glum conversion or (ii) enhanced xylan conversion compared to an equivalent enzyme blend composition lacking the at least one additional hemicellulase.
1 more element
A method for hydrolyzing a mixture of cellulosic and hemicellulosic materials, comprising contacting the mixture of cellulosic and hemicellulosic materials with:
- (a) a first enzyme composition comprising a cellulase,
- (b) a second enzyme composition comprising at least one xylanase selected from a GH10 or GH11 xylanase, and
- (c) a third enzyme composition comprising at least one additional hemicellulase that is not a GH10 or GH11 xylanase or not the same GH10 or GH11 xylanase as in (b),
- thereby hydrolyzing the mixture of cellulosic and hemicellulosic materials,
- wherein the contacting results in at least one of (i) enhanced glucan conversion or (ii) enhanced xylan conversion compared to equivalent contacting in the absence of the at least one additional hemicellulase.
2 more elements
Dependencies are inferred from the claim text.