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Yeast: Difference between revisions

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High concentrations of glucose inhibit maltose and maltotriose consumption in some yeast strains.<ref name=guerra>Guerra NP, Torrado-Agrasar A, López-Macías C, et al. Use of Amylolytic Enzymes in Brewing. In: Preedy VR, ed. ''Beer in Health and Disease Prevention.'' Academic Press; 2009:113–126.</ref><ref name=model>MacGregor AW, Bazin SL, Macri LJ, Babb JC. [https://www.sciencedirect.com/science/article/abs/pii/S0733521098902338 Modelling the contribution of ''alpha''-amylase, ''beta''-amylase and limit dextrinase to starch degradation during mashing.] ''J Cereal Sci.'' 1999;29(2):161–169.</ref>
High concentrations of glucose inhibit maltose and maltotriose consumption in some yeast strains.<ref name=guerra>Guerra NP, Torrado-Agrasar A, López-Macías C, et al. Use of Amylolytic Enzymes in Brewing. In: Preedy VR, ed. ''Beer in Health and Disease Prevention.'' Academic Press; 2009:113–126.</ref><ref name=model>MacGregor AW, Bazin SL, Macri LJ, Babb JC. [https://www.sciencedirect.com/science/article/abs/pii/S0733521098902338 Modelling the contribution of ''alpha''-amylase, ''beta''-amylase and limit dextrinase to starch degradation during mashing.] ''J Cereal Sci.'' 1999;29(2):161–169.</ref>
Wort dextrin molecular sizes are reduced during fermentation. This indicates that yeast can also utilize dextrins molecules in addition to fermentable sugars. This is because yeast can release amylolytic enzymes to degrade water soluble starch molecules.<ref name=yu>Yu W, Zhai H, Xia G, et al. [https://www.sciencedirect.com/science/article/abs/pii/S0924224420306002 Starch fine molecular structures as a significant controller of the malting, mashing, and fermentation performance during beer production.] ''Trends Food Sci Technol.'' 2020;105:296–307.</ref>


*[https://www.sciencedirect.com/science/article/abs/pii/S0308814603006034 "The impact of the physiological condition of the pitching yeast on beer flavour stability: an industrial approach"]
*[https://www.sciencedirect.com/science/article/abs/pii/S0308814603006034 "The impact of the physiological condition of the pitching yeast on beer flavour stability: an industrial approach"]