Strains for fermentation of high gravity worts - a review

The paper deals with isolation and construction of new strains usable for fermentation of high gravity worts. These worts cause stress for yeasts, and influence their metabolism and fermentation activity. It is reflected in fermentation speed and beer quality. Brewers' yeast with STA2 genome fo...

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Main Authors: J. Pátková, D. Šmogrovičová, Z. Dömény, P. Bafrncová
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2000-02-01
Series:Czech Journal of Food Sciences
Subjects:
Online Access:https://cjfs.agriculturejournals.cz/artkey/cjf-200002-0008_strains-for-fermentation-of-high-gravity-worts-a-review.php
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author J. Pátková
D. Šmogrovičová
Z. Dömény
P. Bafrncová
author_facet J. Pátková
D. Šmogrovičová
Z. Dömény
P. Bafrncová
author_sort J. Pátková
collection DOAJ
description The paper deals with isolation and construction of new strains usable for fermentation of high gravity worts. These worts cause stress for yeasts, and influence their metabolism and fermentation activity. It is reflected in fermentation speed and beer quality. Brewers' yeast with STA2 genome for production of extracellular glucoamylase was obtained by gene manipulations, which is also used in industrial production. Operational experiments were successfully conducted with new strains of yeasts with these characteristics: ethanol-tolerant, osmotolerant, not glucose-repressed, higher flocculation capacity, ability to degrade turbidity-forming substances, influenced production of flavouring substances, but their larger-scale use is prevented by legislation.
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spelling doaj.art-800bc4532e174535bd24a1a7f86883232023-02-23T03:26:25ZengCzech Academy of Agricultural SciencesCzech Journal of Food Sciences1212-18001805-93172000-02-01182758010.17221/8314-CJFScjf-200002-0008Strains for fermentation of high gravity worts - a reviewJ. PátkováD. ŠmogrovičováZ. DöményP. BafrncováThe paper deals with isolation and construction of new strains usable for fermentation of high gravity worts. These worts cause stress for yeasts, and influence their metabolism and fermentation activity. It is reflected in fermentation speed and beer quality. Brewers' yeast with STA2 genome for production of extracellular glucoamylase was obtained by gene manipulations, which is also used in industrial production. Operational experiments were successfully conducted with new strains of yeasts with these characteristics: ethanol-tolerant, osmotolerant, not glucose-repressed, higher flocculation capacity, ability to degrade turbidity-forming substances, influenced production of flavouring substances, but their larger-scale use is prevented by legislation.https://cjfs.agriculturejournals.cz/artkey/cjf-200002-0008_strains-for-fermentation-of-high-gravity-worts-a-review.phpbrewers' yeastsgene manipulationshgvhgstress
spellingShingle J. Pátková
D. Šmogrovičová
Z. Dömény
P. Bafrncová
Strains for fermentation of high gravity worts - a review
Czech Journal of Food Sciences
brewers' yeasts
gene manipulations
hg
vhg
stress
title Strains for fermentation of high gravity worts - a review
title_full Strains for fermentation of high gravity worts - a review
title_fullStr Strains for fermentation of high gravity worts - a review
title_full_unstemmed Strains for fermentation of high gravity worts - a review
title_short Strains for fermentation of high gravity worts - a review
title_sort strains for fermentation of high gravity worts a review
topic brewers' yeasts
gene manipulations
hg
vhg
stress
url https://cjfs.agriculturejournals.cz/artkey/cjf-200002-0008_strains-for-fermentation-of-high-gravity-worts-a-review.php
work_keys_str_mv AT jpatkova strainsforfermentationofhighgravitywortsareview
AT dsmogrovicova strainsforfermentationofhighgravitywortsareview
AT zdomeny strainsforfermentationofhighgravitywortsareview
AT pbafrncova strainsforfermentationofhighgravitywortsareview