MONITORING OF SUGAR SUBSTRATES UTILIZATION BY D-2 AND AS-4 YEASTS AND KINETICS OF BY-PRODUCTS FORMATION DURING ALCOHOLIC FERMENTATION OF RYE AND CORN MASHES.

Grzegorz Kłosowski; Bogusław Czupryński; Bogdan Sieliwanowicz; Katarzyna Kotarska; Małgorzata Wolska

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News New IMPACT FACTOR Volume 70 Authors' Index Volume 70 Reviewers' Index Dietary recommendations during the COVID-19 pandemic. Statement of the Committee of Human Nutrition Science of the Polish Academy of Sciences Our new CiteScore2020 from SCOPUS June 2021 Issue has just been published September 2021 issue has just been released Volume 71's Reviewers Index Our new Impact Factor and Cite Score Our new CiteScore2022 from SCOPUS September 2023 issue has just been published December 2023 issue has just been published March 2024 issue has just been published Volume 73's Reviewers Index June 2024 issue has just been published Our new CiteScore2023 from SCOPUS New IMPACT FACTOR 2023

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MONITORING OF SUGAR SUBSTRATES UTILIZATION BY D-2 AND AS-4 YEASTS AND KINETICS OF BY-PRODUCTS FORMATION DURING ALCOHOLIC FERMENTATION OF RYE AND CORN MASHES.

Grzegorz Kłosowski

Bogusław Czupryński

Bogdan Sieliwanowicz

Katarzyna Kotarska

Małgorzata Wolska

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Publication date: 2001-06-30

Pol. J. Food Nutr. Sci. 2001;51(2):19-24

KEYWORDS

alcoholic fermentation

hydrolysis of starch

fusel alcohols

aldehydes

ABSTRACT

On the basis of the HPLC analysis, the process and products of enzymatic degradation of rye and corn starch by amolytic enzymes in mashing by the PLS technology (pressureless liberation of starch) have been presented. The results of monitoring of the sugar substrates utilization by Saccharomyces cerevisiae: D-2 and As-4 yeasts during three-day fermentation have been presented. An effective and quick method (by capillary GC) allowing to investigate the kinetics of by-product formation, i.e. higher alcohols, aldehydes, methanol, during alcoholic fermentation has been described. It was found that the synthesis of fusel alcohols proceeded according to the Ehrlich is model and was dependent on the glucose accessibility in the base. The most intense formation of the carbonyl compounds (mainly acetic aldehyde) was observed in the phase of preliminary fermentation.

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W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.