Characteristics of beer brewed with unconventional yeasts and addition of grape must, pulp and marc

The aim of the paper was to determine potential of using grape pulp, marc and must in the beer production process. Samples were fermented using non- Saccharomyces yeasts ( Dekkera bruxellensis 3429, Metschnikowia pulcherrima MG970690) and Saccharomyces cerevisiae Safale US-05 was used as a control....

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Bibliographic Details
Published in:European food research & technology 2023-03, Vol.249 (3), p.699-711
Main Authors: Cioch-Skoneczny, Monika, Królak, Katarzyna, Tworzydło, Zuzanna, Satora, Paweł, Skoneczny, Szymon
Format: Article
Language:English
Subjects:
Agriculture
Analytical Chemistry
Beer
Biotechnology
Chemistry
Chemistry and Materials Science
Dekkera bruxellensis
Fermentation
Flasks
Food Science
Forestry
Fruits
Grapes
Malic acid
Musts
Organic acids
Original Paper
Pasteurization
Pulp
Saccharomyces cerevisiae
Wort
Worts
Yeast
Yeasts
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Summary:The aim of the paper was to determine potential of using grape pulp, marc and must in the beer production process. Samples were fermented using non- Saccharomyces yeasts ( Dekkera bruxellensis 3429, Metschnikowia pulcherrima MG970690) and Saccharomyces cerevisiae Safale US-05 was used as a control. Grape marc was obtained by pressing grape must with a press. Subsequently, the grape marc, must and pulp were pasteurized and, together with wort, volumetrically introduced into fermentation flasks for fermentation. Mass changes taking place during the process were analyzed. Real extract, alcohol, free amino nitrogen (FAN) content, pH, color, sugars and organic acid profile were determined in obtained beers. The research has shown that the yeasts Dekkera bruxellensis 3429 fermented similarly to Saccharomyces cerevisiae Safale US-05. The yeast D. bruxellensis 3429 produced more alcohol in the finished beers in most cases and assimilated more FAN than M. pulcherrima MG970690. The D. bruxellensis 3429 strain most effectively used L-malic acid.
ISSN:1438-2377
1438-2385
DOI:10.1007/s00217-022-04166-w