High protein concentrate from cereal grain and methods of use thereof

• US 20030180415A1
• Filed: 10/21/2002
• Published: 09/25/2003
• Est. Priority Date: 03/20/2002
• Status: Abandoned Application

• Current Assignee: Jerry F. Strissel, Michael J. Stiefel
• Original Assignee: Jerry F. Strissel, Michael J. Stiefel
• Inventors: Strissel, Jerry F., Stiefel, Michael J.
• Application Number:
  US10/274,762
• Publication Number:
  US 20030180415A1
• Time in Patent Office: Days
• US Class Current: 426/18
• CPC Class Codes: A23J 1/125 by treatment involving enzymes or microorganisms enzymatic hydrolysis of proteins A23J3/34
• CPC Class Codes: A23K 10/30 from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms obtained by microbiological or biochemical processes, e.g. using yeasts or enzymes, A23K10/10
• CPC Class Codes: A23K 20/147 Polymeric derivatives, e.g. peptides or proteins
• CPC Class Codes: A23L 7/115 Cereal fibre products, e.g. bran, husk
• CPC Class Codes: B02B 1/00 Preparing grain for milling or like processes hulling, husking, decorticating, polishing, removing the awns, or degerming B02B3/00

Abstract

A highly-digestible, high protein concentrate for feeding operations obtained by a modified method of dry milling corn using specific dry milling at the beginning of the ethanol process.

Claims

1. A highly-digestible, high protein concentrate for feeding operations obtained by a modified method of dry milling corn using specific dry milling at the beginning of the ethanol process comprising more than 60% protein content.

2. The high protein concentrate of claim 1 preferably comprising up to about 80% protein content.

3. The high protein concentrate of claim 2 having more preferably from about 40% to about 65% protein content.

4. The high protein concentrate of claim 1 further comprising an oil content in the range of about 4% to about 6%.

5. The high protein concentrate of claim 1 further comprising a starch content of about less than 1%.

6. The high protein concentrate of claim 1 further comprising acid detergent from about 2% to about 3%.

7. The high protein concentrate of claim 6 wherein the acid detergent is preferably from about 1.5% to about 2.5%.

8. The high protein concentrate of claim 1 further comprising a lysine value of about 1% to about 2%.

9. The high protein concentrate of claim 8 wherein the lysine value is preferably from about 1% to about 1.75%.

10. The high protein concentrate of claim 1 further comprising a xanthophyll content of less than about 80mg/kg.

11. The high protein concentrate of claim 1 further comprising a beta-carotene content of less than about 3 mg/kg.

12. The high protein concentrate of claim 1 which is an animal feed.

13. The high protein concentrate of claim 1 which is a fish feed.

14. The high protein concentrate of claim 1 wherein the animal feeding operations is for a monogastric animal.

15. A process for producing a high protein concentrate for feeding operations derived from a modified version of dry milling corn comprising:

tempering corn;

passing corn through a milling machine;

collecting fractions of corn;

directing the thrus into a product stream; and

directing the grits into a separate product stream.

16. The process of claim 15 wherein the corn is yellow and white corn.

17. The process of claim 15 further comprising drying the thrns.

18. The process of claim 15 wherein the thrus is used to form hominy.

19. The process of claim 15 further comprising grinding and fermenting the grits in order to produce ethanol and a high protein concentrate.

20. The process of claim 15 wherein the milling machine is a maize degermer.

21. A process for producing a high protein concentrate for feeding operations derived from a modified version of dry milling corn comprising:

tempering corn;

passing corn through a milling equipment;

collecting fractions of corn;

directing the thrus to a secondary fermentation unit in order to produce alcohol;

directing the grits into a separate product stream to grind and ferment in order to produce ethanol and a high protein concentrate.

22. The process of claim 21 wherein the corn is yellow and white corn.

23. A high protein concentrate prepared in accordance with the process of claim 21.

24. A process of claim 21 wherein the milling machine is a maize degermer.

25. A process for producing a high protein concentrate for feeding operations derived from a modified version of dry milling corn comprising:

tempering corn;

passing corn through a milling machine;

collecting fractions of corn;

directing the thrus into a product stream for oil extraction and then to ethanol fermentation; and

directing the grits into a separate product stream to grind and ferment in order to produce ethanol and a high protein concentrate.

26. The process of claim 25 wherein the corn is yellow and white corn.

27. A process of claim 25 wherein the milling machine is a maize degermer.

28. A high protein concentrate for feeding operations prepared in accordance to the process of claim 25.

29. A process for producing a high protein concentrate for feeding operations derived from a modified version of dry milling corn comprising:

tempering corn;

passing corn through a milling machine;

collecting fractions of corn;

directing the thrus into a product stream for oil extraction, with the spent material being screened and aspirated for the fiber to be used for DDGS; and

directing the grits into a separate product stream to grind and ferment in order to produce ethanol and a high protein concentrate.

30. The process of claim 29 wherein the corn is yellow and white corn.

31. A high protein concentrate for feeding operations prepared in accordance to the process of claim 29.

32. A process of claim 29 wherein the milling machine is a maize degermer.

33. A process for producing a high protein concentrate for feeding operations derived from a modified version of dry milling corn comprising:

tempering the corn;

passing the corn through a debraning machine;

screening the thrus; and

passing the tails through a roller mill.

34. The process of claim 33 further comprising directing fines to ethanol production.

35. The process of claim 33 further comprising drying fiber to be used for hominy.

36. The process of claim 33 further comprising sifting the tails through a screen followed by an aspirator and a gravity table.

37. The process of claim 33 wherein a germ portion is used for hominy and a grit portion is used for production of ethanol and a high protein concentrate.

38. The process of claim 36 where the screen is a size 5.

39. The process of claim 33 wherein the corn is yellow and white corn.

40. A high protein concentrate for feeding operations prepared in accordance with claim 33.

41. The process of claim 33 wherein the debraning machine is a rice polisher.

42. The process of claim 33 wherein the hominy is converted to ethanol by a secondary fermentation.

43. A process for producing a high protein concentrate for feeding operations derived from a modified version of dry milling corn comprising:

tempering the corn;

passing the corn through a debraning machine;

directing the thrus into a product stream; and

directing the grits into a separate product stream.

44. The process of claim 43 further comprising passing the tails through a roller mill, sifting through a screen, followed by an aspirator and a gravity table.

45. The process of claim 43 wherein the fines from the thrus are used for ethanol production.

46. The process of claim 43 further comprising drying fiber to be used for hominy.

47. The process of claim 43 further comprising directing the hominy to a secondary fermentation for ethanol production.

48. The process of claim 43 wherein a germ portion is used for hominy and a grit portion is used for production of ethanol and a high protein concentrate.

49. The process of claim 44 where the screen is a size 5.

50. The process of claim 43 wherein the corn is yellow and white corn.

51. The process of claim 43 wherein the thrus from the sifting screen, aspirator, and gravity table are collected for solvent extraction of oil.

52. The process of claim 43 wherein the debraning machine is a rice polisher.

53. The process of claim 43 wherein remaining spent material is directed to ethanol fermentation.

54. A high protein concentrate for feeding operations prepared in accordance with claim 43.

56. The process of claim 53 wherein the corn is yellow and white corn.

57. The process of claim 53 further comprising saving the fiber as a separate entity.

55. A process for producing a high protein concentrate for feeding operations derived from a modified version of dry milling corn comprising:

tempering the corn;

passing the corn through a debraning machine;

extracting corn oil from the fiber and germ.

58. The process of claim 55 further comprising directing a grit fraction to produce ethanol and a high protein concentrate.

59. A high protein concentrate for feeding operations prepared in accordance with claim 55.