期刊
FERMENTATION-BASEL
卷 7, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/fermentation7030102
关键词
alternative baker's yeast; non-conventional yeasts; stress tolerance; aroma profile; carbon metabolism
资金
- MCIU/AEI/FEDER, UE [RTI2018-098074-B-I00]
- Botswana International University of Science and Technology Research Office Initiation grants [R00026]
Studies have shown that non-conventional yeast strains are becoming increasingly important in modern baking due to their wide carbon fermentation ranges, novel aromatic flavor generation, and robust stress tolerance. These alternative yeasts offer new possibilities in the baking industry and provide more options for consumer markets.
Saccharomyces cerevisiae remains the baker's yeast of choice in the baking industry. However, its ability to ferment cereal flour sugars and accumulate CO2 as a principal role of yeast in baking is not as unique as previously thought decades ago. The widely conserved fermentative lifestyle among the Saccharomycotina has increased our interest in the search for non-conventional yeast strains to either augment conventional baker's yeast or develop robust strains to cater for the now diverse consumer-driven markets. A decade of research on alternative baker's yeasts has shown that non-conventional yeasts are increasingly becoming important due to their wide carbon fermentation ranges, their novel aromatic flavour generation, and their robust stress tolerance. This review presents the credentials of non-conventional yeasts as attractive yeasts for modern baking. The evolution of the fermentative trait and tolerance to baking-associated stresses as two important attributes of baker's yeast are discussed besides their contribution to aroma enhancement. The review further discusses the approaches to obtain new strains suitable for baking applications.
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