C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/141, 195/2
C12P 7/06 (2006.01)
Patent
CA 1287003
A B S T R A C T The present invention is related to a process of producing ethanol and gluten from cereals especially from wheat, which comprises the steps of: a) crushing cereals and soaking the thus crushed cereals in water; b) mechanically separating the mixture obtained in step a) so as to obtain a sediment which contains a major part of the insoluble substances, and a suspension which contains at least 60% of the initially present nitrogen-containing substances; c) subsequently separating the thus produced suspension of step b), so as to isolate an insoluble fraction containing more than 50% of the initially present proteins and consisting of gluten of said cereals and of a supernatent fraction; d) mixing the sediment obtained in step b) with said supernatent frac- tion of step c) so as to produce a final suspension containing at least 90% of the initial starch; e) submitting the starch contained in said final suspension of step d) to enzymatic hydrolysis; f) fermenting the suspension as hydrolysed in step e), while using for such fermenting step a strain of alcoholic yeast; g) separating the fermented suspension of step f) so as to obtain a supernatent ethanol-containing fraction and a sediment which consti- tutes a proteinic foodstuff; and h) distilling said supernatent ethanol-containing fraction so as to recover the ethanol contained therein. In one embodiment of the invention, the hydrolysing step (i.e. step e) is carried out in the form of two successive enzymatic hydrolysis steps.
514247
Monceaux Philippe
Segard Emile
G. Ronald Bell & Associates
Monceaux Philippe
Segard Emile
Societe Des Brevets Valpi
Valpi
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