BEER PRODUCTION METHOD Russian patent published in 2011 - IPC C12C12/00 

FIELD: food industry.

SUBSTANCE: beer production method envisages light malt doughing with unmalted barley preliminarily treated by way of extrusion, the produced wort filtering, its boiling with hop products, fermentation, additional fermentation, maturation, clarification and bottling. Extrusion treatment of unmalted barley proceeds during 15…25 sec at a temperature of 120…130°C, content of moisture in the barley being 12…18%, with the raw material discharged from the extruder matrix subsequently undergoing treatment under pressure reduced to 0.045…0.055 MPa with the content of moisture in the extruded product regulated by the amount of vacuum at extruder matrix draw plate outlet. When subjected to extrusion treatment, malted barley is cut into 5…6 mm sized particles.

EFFECT: raw material thus extruded contains less insoluble native starch and more water-soluble carbohydrates.

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