Studies of the Saccharomyces cerevisiae Cultivation under Oscillatory Mixing Conditions

Saccharomyces cerevisiae was cultivated under non-aerated conditions in a 5 l laboratory bioreactor. Using the experimental data and the regression analysis method, some mathematical correlations for stirrer rotational speed oscillation frequency and the reaction of the yeast were established. It ha...

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Bibliographic Details
Published in:Bioautomation 2005-12, Vol.3 (1), p.36-42
Main Authors: Bērziņš, Andrējs, Viesturs, Uldis, Rikmanis, Māris, Tzonkov, Stoyan
Format: Article
Language:English
Subjects:
bioreactor
mixing
Saccharomyces cerevisiae
stirrer rotational speed oscillations
Yeast
Online Access:Get full text
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Summary:Saccharomyces cerevisiae was cultivated under non-aerated conditions in a 5 l laboratory bioreactor. Using the experimental data and the regression analysis method, some mathematical correlations for stirrer rotational speed oscillation frequency and the reaction of the yeast were established. It has been found that different growth parameters are influenced variously by stirrer rotational speed and stirrer rotational speed oscillation frequency. Stirring oscillations can be among the methods for stimulation of biotechnological processes. The obtained results can be used for designing bioreactors and optimizing working conditions.
ISSN:1314-1902
1313-261X
1314-2321
1312-451X