METHOD OF SELECTING BARLEY VARIETY, BARLEY BETA-AMYLASE GENE AND PROCESS FOR PRODUCING MALT ALCOHOLIC DRINK

摘要

A method of selecting a barley variety comprising:a heat treatment step of heat-treating a crude enzyme solution extracted from a seed of a barley (e.g., at 57.5 ° C for 30 minutes);an activity-determining step of determining the enzyme activity of β-amylase in the crude enzyme solution heat-treated; anda selection step of selecting the barley variety containing a β-amylase having a residual activity of from 85 to 90% as a result of the activity determination.