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  • Title: [Effect of excess ethanol on the growth of yeasts of the genus Candida during continuous cultivation].
    Author: Shkidchenko AN, Shul'ga AV, Gurina LV.
    Journal: Mikrobiologiia; 1988; 57(1):73-9. PubMed ID: 3412199.
    Abstract:
    The effect of flow rates and a specific ethanol load on the growth of Candida utilis and Candida krusei was studied in the process of one-step and three-step cultivation. The productive capacity of fermenters and the economic coefficient of yeast biomass production were shown to depend on the ability of microbial populations to assimilate a certain quantity of a carbon substrate per unit time. When a specific ethanol load exceeds the optimal one, the respiratory activity of a population and the economic coefficient of growth fall down whereas the accumulation of metabolites in the cultural broth increases. The steady state of biomass can be maintained in the process of continuous cultivation by inhibiting the yeast growth with an excess of ethanol.
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