Research work on manufacturing food yeasts by continuous fermentation and practical application of this method.
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چکیده
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Immobilisation of yeasts for continuous fermentation
Continuous ethanol fermentation from cheap sugar cane molasses was studied. Two strains of Saccharomyces cerevisiae were used, one of them flocculent, in order to evaluate the performance of fluidized tubular reactors, with and without support for yeast immobilisation (polyurethane foam and expanded clay argilate granules were tested). In this heterogeneous continuous system, with three phases,...
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15 صفحه اولRapid method for testing raffinose fermentation by yeasts.
The alcoholic fermentation of raffinose by yeasts has considerable taxonomic importance. Certain species do not ferment this trisaccharide at all; others ferment only the fructose part; whereas others ferment both parts (fructose and melibiose). All or some strains of a few species ferment melibiose incompletely. Most older methods for testing raffinose fermentation are based on quantitative de...
متن کاملAdaptive Control of Continuous Fermentation with Immobilized Yeasts Saccharomyces Cerevisiae
In this paper, a new approach for adaptive linearizing control of continuous fermentations with immobilized yeasts Saccharomyces cerevisiae BO 213 was proposed. Three fermentations with three different procedures of cells immobilization were investigated. The switching from batch to continuous mode of cultivation was realized automatically in time when the ethanol production rate reaches its ma...
متن کاملAlcoholic Fermentation of d-Xylose by Yeasts.
Type strains of 200 species of yeasts able to ferment glucose and grow on xylose were screened for fermentation of d-xylose. In most of the strains tested, ethanol production was negligible. Nineteen were found to produce between 0.1 and 1.0 g of ethanol per liter. Strains of the following species produce more than 1 g of ethanol per liter in the fermentation test with 2% xylose: Brettanomyces ...
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ژورنال
عنوان ژورنال: Kvasny Prumysl
سال: 1963
ISSN: 0023-5830
DOI: 10.18832/kp1963034