Patent ID: 8202707
Filing Date: 2012-06-19
Classification: C12C

Abstract:
1. A method of producing a mash extract comprising: a. mixing a first malt enzyme source with an aqueous liquid to obtain an aqueous malt enzyme suspension; b. separately, mixing a second enzyme source with one or more starch-containing adjuncts to obtain a decoction suspension while maintaining temperature conditions that do not cause significant gelatinisation of the starch; c. subjecting the decoction suspension to a first heat treatment of at least 1 minute at 65-85° C. to simultaneously partially gelatinise and enzymatically degrade the starch; d. subjecting the decoction suspension to a second heat treatment of at least 1 minute at 85-120° C. to gelatinise the starch at an increased rate and to a higher extent; e. combining the heated decoction suspension obtained from the second heat treatment with the aqueous malt enzyme suspension from step a. to obtain a mash; f. maintaining the mash at 35-85° C. for at least 20 minutes; and g. separating the heated mash into spent grain and mash extract, wherein the first and the second heat treatment comprise direct steam injection into the suspension, and wherein steps (a)-(g) are performed in a continuous fashion.