A method for improving the survival rate of L. brucei under stress conditions

A technology for the survival rate of Saccharomyces ruckeri, which is applied in the field of microorganisms and can solve problems such as product quality impact, cell growth and physiological activity, and achieve the effect of improving survival rate, survival rate or biomass
CN110283771BActive Publication Date: 2021-05-18SICHUAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SICHUAN UNIV
Publication Date
2021-05-18

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Abstract

The invention discloses a method for improving the survival rate of Saccharomyces ruxii under stress conditions, and relates to the technical field of microbes. The method for improving the survival rate of Saccharomyces ruxii disclosed in the present invention comprises the following steps: performing pre-adaptation treatment on Saccharomyces rouxii before being inoculated and cultured under stress conditions. Wherein, the preconditioning treatment is heat preconditioning treatment or acid preconditioning treatment. The survival rate or biomass of the Ruxier yeast under stress conditions can be significantly improved by subjecting the Ruxier yeast to heat pre-adaptation treatment or acid pre-adaptation treatment.
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Description

technical field

[0001] The invention relates to the technical field of microorganisms, in particular to a method for improving the survival rate of Saccharomyces ruxii under stress conditions. Background technique

[0002] Zygosaccharomyces rouxii belongs to the genus Zygosaccharomyces in the family Saccharomyces. It is widely found in salted fermented products such as soy sauce and fish sauce. It has the most important influence on the brewing of soy sauce, accounting for about 45% of the total number of yeasts. The growth of Saccharomyces rouxii does not affect the fermentation process, but plays a positive role in the formation of product aroma. However, in the fermentation process of salted fermented food, various extreme environments are often encountered, such as acid stress, salt stress, oxygen stress, etc. These extreme environments seriously affect the growth and physiological activities of cells, thus affecting the quality of the product . Therefore, it is of gre...

Claims

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