Process for preparing protein flour from brewery waste

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Filing Information

  • Patent Number: US4315038
  • Application Number: US6179820
  • Filing date: 08/20/1980
  • Issue date: 02/09/1982
  • Predicted expiration date: 08/20/2000
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  • U.S. Classifications: 426/430  · 426/429  ·
  • International Classifications: A23L 110 ·
  • International Classifications: 426430;426;429;624;655;656;600;627;618;622;490;495;472;489 ·
  • Foreign Priority: CA334936 - 09/04/1979 ·
6 Claims, No Drawings


Abstract

Trub obtained from the wort kettle of a brewing system is rich in protein and thus can be used in human foods. The trub is processed to yield a trub flour by extraction with an azeotropic mixture of isopropanol and water, and drying to remove the solvent in a roller drum drier, the latter yielding the trub flour in dry flake form.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US2524718 SEAGRAM & SONS INC Stark et al. Oct 1950
US2530594 F W BENEDICT Benedict Nov 1950

Other Publications

Feeds & Feeding, Morrison, Morrison Publ. Co., 22nd ed., 1957, pp. 450, 451.
Alcoholic Beverages, Rose, vol. I, 1977, Academic Press, pp. 80, 81.
The Handbook of Feedstuffs, Seiden, 1957, Springer Publ. Co., p. 66.

Patent Family

Document NumberAssigneeInventorsIssue/Pub Date
US4315038The Molson Companies LimitedPhillip M. Townsley et al.Feb 1982
CA1133748MOLSON CO LTDWEAVER ROBERT L et al.Oct 1982

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Independent Claims | See all claims (6)

  1. 1. A process for preparing a flour for use in human food comprising the steps of extracting solid trub with an isopropanolic solvent to remove water and trub resin from the trub, and drying the trub to yield a trub flour.