2006•China BrewingRequires access

Study on the stress resistance of Saccharomyces cerevisiae industrial strains

Xiaoming Bao

Abstract

The stress resistance of Saccharomyces cerevisiae industrial strains to high-concentration ethanol,high osmotic pressure,high temperature,nutrient starvation,oxidative stress,furfural toxicity and the sensitivity to G418 were analyzed in this paper.The result showed that the stress resistances among these yeast strains were obviously different.The strains 6508 and Angel are the most resistant.The polyploidy industrial strains were more resistant to stress conditions than that of the haploid laboratory strains.

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Key concepts: Saccharomyces cerevisiae, Yeast, Food science, Osmotic shock, Oxidative stress, Chemistry, Ethanol, Biology