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Several yeast cultures belonging to five non-Saccharomyces species associated with wine-making were evaluated for their oenological properties. Results showed that Candida stellata and Torulaspora delbrueckii could positively affect the taste and flavour of alcoholic beverages. Apiculate yeasts exhibited large amounts of negative byproducts, particularly ethyl acetate. Nevertheless, Kloeckera apiculata showed a significantly negative correlation between either acetic acid and ethyl acetate formation and ethanol production. Selected non-Saccharomyces yeast cultures could be applied profitably in wine-making for optimization of wine bouquet using new fermentation technologies. 相似文献
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Ciani M. Maccarelli F. Fatichenti F. 《World journal of microbiology & biotechnology》2003,19(4):419-422
Brettanomyces/Dekkera yeasts grow in wine and their presence is often associated with spoiling activity. In this report, we investigated on the influence of different conditions of aerobiosis on growth and fermentation behaviour of these spoilage yeasts in wine. Results showed that in all conditions tested the Brettanomyces strain consumed all sugars, taking wine fermentation to completion. Strict-anaerobic conditions limited the growth of Brettanomyces. Both anaerobiosis (using a fermentation trap) and strict anaerobiosis did not negatively affect the principal by-products of fermentation whereas semi-anaerobiosis caused an increase of acetic acid, acetaldehyde and ethyl acetate that negatively affected the fermentation profile of resulting products. 相似文献
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Several yeast cultures belonging to five non-Saccharomyces species associated with wine-making were evaluated for their oenological properties. Results showed that Candida stellata and Torulaspora delbrueckii could positively affect the taste and flavour of alcoholic beverages. Apiculate yeasts exhibited large amounts of negative byproducts, particularly ethyl acetate. Nevertheless, Kloeckera apiculata showed a significantly negative correlation between either acetic acid and ethyl acetate formation and ethanol production. Selected non-Saccharomyces yeast cultures could be applied profitably in wine-making for optimization of wine bouquet using new fermentation technologies. 相似文献
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