METHOD FOR PRODUCING ETHANOL USING RAW STARCH

• US 20110097446A1
• Filed: 11/11/2010
• Published: 04/28/2011
• Est. Priority Date: 03/10/2003
• Status: Active Grant

• Current Assignee: Poet Research Inc.
• Original Assignee: Poet Research Inc.
• Inventors: Lewis, Stephen M.
• Granted Patent: US 8,497,082 B2
• Time in Patent Office: Days
• US Class Current: 426/64
• CPC Class Codes: A23L 7/104 Fermentation of farinaceous cereal or cereal material; Addition of enzymes or microorganisms
• CPC Class Codes: A23L 7/20 Malt products preparation of malt for brewing C12C
• CPC Class Codes: C12P 7/06 Ethanol, i.e. non-beverage
• CPC Class Codes: Y02E 50/10 Biofuels, e.g. bio-diesel

Abstract

Disclosed are methods for producing high levels of alcohol during fermentation of plant material, and to the high alcohol beer produced.

Claims

1-42. -42. (canceled)

43. An aqueous composition comprising corn flour and an acid fungal amylase saccharification enzyme wherein at least about 90% of the corn flour has a particle size of 0.5 mm or less and the temperature of the water is from about 25°

C. to about 40°

C.

44. The composition of claim 43 wherein all of the corn flour has a particle size of 0.5 mm or less.

45. The composition according to claim 43 wherein the amount of acid fungal amylase saccharification enzyme is from about 0.1 to about 10 acid fungal amylase units per gram of dry corn flour.

46. The composition according to claim 43 which further comprises a glucoamylase.

47. The composition according to claim 46 wherein the amount of glucoamylase is from about 0.1 to about 6.0 glucoamylase units per gram of dry corn flour.

48. A distillers dried grain comprising:

29.7 to 38.9% of protein; and

9.92 to 22.24% of starch.

49. The distillers dried grain of claim 48 comprising:

29.7 to 38.9% of protein;

9.92 to 22.24% of starch;

10.9 to 21.3% of fat; and

residual fermentation and saccharification enzymes.

50. The distillers dried grain of claim 49 wherein the residual fermentation and saccharification enzymes comprise an acid fungal amylase and a glucoamylase.