Non-Conventional Yeasts as Alternatives in Modern Baking for Improved Performance and Aroma Enhancement

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 amon...

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Veröffentlicht in:Fermentation (Basel) 2021-09, Vol.7 (3), p.102, Article 102
Hauptverfasser: Zhou, Nerve, Semumu, Thandiwe, Gamero, Amparo
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Sprache:eng
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Zusammenfassung: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.
ISSN:2311-5637
2311-5637
DOI:10.3390/fermentation7030102