Food Preservation Science
Online ISSN : 2186-1277
Print ISSN : 1344-1213
ISSN-L : 1344-1213
Isolation and Sake-Brewing Characteristics of Mating Mutants of Strain GY115-a3 with High Fermentation and Ginjo-ka Production Abilities
Mai OKUMURAKazuo MASAKIAkihiro YOSHIMURAYoshinori SAWAIKentaro HISAMATSUYuto HARADASatoshi IWAMOTOMasaya SHIMADATakashi HAYAKAWATomoyuki NAKAGAWA
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2022 Volume 48 Issue 2 Pages 67-72

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Abstract

 In this study, we aimed to breed strain GY115-a3 by mating with strain Ce41, which is a high ethyl caproate-producing mutant strain derived from Gifu prefecture yeast, strain G. Among the obtained mating mutant strains between strain GY115-a3 and strain Ce41, the tetraploid strains showed the production characteristics for the unique organic acid composition like strain GY115-a3, and also had high fermentation and ginjo-ka production abilities, similar to those of strain Ce41. From these results, it was concluded that the expected mating mutant strains, such as a3×Ce41_1 and a3×Ce41_5, which inherited characteristic properties from the both parent strains, could be bred.

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© 2022 Japan Association of Food Preservation Scientists
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