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Japanese sake making using wild yeasts isolated from natural environments
Tomoyuki Nakagawa1, Akihiro Yoshimura2, Yoshinori Sawai2
1The Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan.
Bioscience, Biotechnology, and Biochemistry
|February 16, 2024
Summary
Wild yeasts offer unique fermentation properties for sake production, distinct from conventional Kyokai strains. Research explores their genetics and potential for molecular breeding to create novel sake varieties.
Area of Science:
- Microbiology
- Food Science
- Biotechnology
Background:
- Saccharomyces cerevisiae is crucial in food production, particularly for Japanese sake.
- Kyokai sake yeast strains are industry standards, but demand for unique sake yeasts is rising.
- Wild yeasts present an untapped resource for developing novel sake characteristics.
Purpose of the Study:
- To review basic research on wild yeasts for sake making.
- To explore the genetic and fermentation aspects of wild yeasts.
- To discuss molecular breeding and the potential of wild yeasts in sake production.
Main Methods:
- Literature review focusing on wild yeast research.
- Analysis of genetic and fermentation properties of wild yeasts.
- Discussion of molecular breeding techniques for yeast improvement.
Main Results:
- Wild yeasts possess diverse genetic and fermentation profiles.
- These profiles can lead to unique sake qualities distinct from conventional strains.
- Molecular breeding holds promise for optimizing wild yeasts for sake production.
Conclusions:
- Wild yeasts are a valuable resource for developing unique sake.
- Further research into their genetics and fermentation is essential.
- Molecular breeding can enhance wild yeast capabilities for novel sake production.
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