Composition comprising raw starch for the production of ethanol

• US 8,470,550 B2
• Filed: 09/20/2010
• Issued: 06/25/2013
• Est. Priority Date: 03/10/2003
• Status: Active Grant

• Current Assignee: Poet Research Inc.
• Original Assignee: Poet Research Inc.
• Inventors: Lewis, Stephen M.
• Primary Examiner(s): Weber, Jon P
• Assistant Examiner(s): Srivastava, Kailash C
• Application Number:
  US12/886,483
• Publication Number:
  US 20110070618A1
• Time in Patent Office: 1,009 Days
• Field of Search: None
• US Class Current: 435/22
• 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 herein are compositions for producing ethanol, which compositions comprise raw starch and amylase enzymes.

Claims

1. A composition comprising water, milled corn flour and an acid fungal amylase saccharification enzyme wherein 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.

2. The composition according to claim 1 which further comprises a glucoamylase.

3. The composition according to claim 1 wherein the amount of acid fungal amylase saccharification enzyme is from about 0.1 to about 1.0 acid fungal amylase units per gram of dry corn flour.

4. A distillers dried grain comprising:

34% or more of protein;

15% or more of fat;

31% or more of fiber;

12% or more of starch; and

residual fermentation and saccharification enzymes.