Method of fermenting

Details Method of fermenting Method of fermenting

C - Chemistry, Metallurgy

12

C

195/9

C12C 7/00 (2006.01) C12C 11/00 (2006.01)

Patent

CA 1087120

A METHOD OF FERMENTING Abstract of the Disclosure A method of fermenting a fermentable substrate, such as brewer's wort. The substrate, having a high concentration of fermentable carbohydrate which would normally ferment very slowly or incompletely, is fermented by utilizing water dilution at a process point in the fermentation. The dilution is effected after the initial foam head produced in the fermentation collap- ses so that the headspace of the fermenting vessel normally allocated for the foam can be used for the fermentation of the diluted substrate. The water dilution reduces the osmotic pres- sure and ethanol concentration in the substrate, thus allowing the fermentation to proceed without inhibition by the combined effect of the two factors. The reduced osmotic pressure also increases the ethanol gradient between the inside and the outside of the yeast cells to enable the fermentation to proceed to completion. -0-

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