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Gaseous environments modify reserve carbohydrate contents and cell survival in the brewing yest Saccharomyces cerevisiae

Abstract : The use of H2, He and O2 during batch fermentation of Saccharomyces cerevisiae BRAS291 increased the final intracellular glycogen contents of the cells from 2-fold to 10-fold compared with a gas-free condition, and this depended on the gas applied. Differently, the intracellular trehalose contents increased from 2-fold to 10-fold in reducing conditions compared with more oxidizing conditions. During storage at 4°C, the viability of cells cultivated with gas was twice that of cells cultivated without gas. These results could be explained by the intracellular carbohydrate contents as well as yeast ultrastructural modifications observed previously.
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https://hal.inrae.fr/hal-02662245
Déposant : Migration Prodinra <>
Soumis le : samedi 30 mai 2020 - 23:45:29
Dernière modification le : vendredi 12 juin 2020 - 10:43:26

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Thu Ha Pham, Genevieve Mauvais, Catherine Vergoignan, Joëlle de Coninck, Rémy Cachon, et al.. Gaseous environments modify reserve carbohydrate contents and cell survival in the brewing yest Saccharomyces cerevisiae. Biotechnology Letters, Springer Verlag, 2008, 30 (2), pp.287-294. ⟨10.1007/s10529-007-9533-0⟩. ⟨hal-02662245⟩

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