It was found that barley embryos could be used as suitable materials for yeast cultivation, when they were saccharified by Haiga Koji, culture of aspergillus oryzae on barley embryos, for 4 hours at 50℃. The two strains of aspergillus oryzae var. "Miso" and var. "Hishiroku" were most favourable for the manufacture of Haiga Koji
