大麦に着生するカビとビールの噴き誘導活性

概要

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From 28 "weathered" barley samples of the harvests of 1970 and 1971,47 mold strains were isolated by a whole-kernel plating method. In the barley samples of the 1970 harvest which had been stored for more than one year, a typical storage fungus, Aspergillus glaucus (group), was the most predominant species (70%), whereas in the barley samples of the 1971 harvest, Alternaria spp. (45%) was most predominant followed by Aspergillus spp. (34%), Fusarium spp. (10%), Penicillium spp. (2.4%) and some others.The 47 mold isolates and a few authentic Fusarium strains were then cultivated in modified Richard solution and the culture filtrates were added to normal beer to determine whether or not they could produce gushing-inducing substances in the medium. Of the 48 strains tested, 11 strains belonging to Alternaria, Stemphylium, Fusarium, Nigrospora, Aspergillus and Penicillium were found to be active in producing certain gushing-inducing substances.
社団法人日本生物工学会の論文
1975-03-25