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Alpha-barley were prepared by means of soaking, heating, and drying treatment. The degree of gelatinization α=barley were determined. The yield of α-barley prepared by microwave heating, steaming, and autoclaving were in the range of 95-98%, whereas by boiling, only 74-89% of α-barley were obtained. The degree of gelatiniztion of α-barley prepared by 5 min microwave heating and 10 min and 20 min steaming were around 90%. Alpha-barley prepared by boiling, autoclaving and 30 min steaming showed above 95% of degree of gelatinization.
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