Enhancement of pyranoanthocyanin formation in blueberry wine with non-Saccharomyces yeasts

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  • Jianli Zhou
  • Chuqi Tang
  • Shuliang Zou
  • Liangbo Lei
  • Yuangen Wu
  • Wenhua Yang
  • Jean Damascene Harindintwali
  • Jiang Zhang
  • Wenwen Zeng
  • Dan Deng
  • Manman Zhao
  • Xiaobin Yu
  • Xiaobo Liu
  • Shuyi Qiu
  • Arneborg, Nils

The development of blueberry wine provides an alternative method for maintaining the nutritional value and extending the shelf life of blueberries. However, anthocyanin loss and off-flavor compound generation during fermentation impair blueberry wine color and quality. Hydroxycinnamate decarboxylase from yeast can catalyze the conversion of hydroxycinnamic acids to vinylphenols, which later may condense with anthocyanins to form more stable vinylphenolic pyranoanthocyanins. In this study, 10 non-Saccharomyces yeasts from Daqu that showed hydroxycinnamate decarboxylase activity were screened. Among the 10 strains, Wickerhamomyces anomalus Y5 showed the highest consumption (34.59%) of the total tested phenolic acids and almost no H2S production. Furthermore, Y5 seemed to produce four vinylphenol pyranoanthocyanins (cyanidin-3-O-galactoside/glucoside-4-vinylcatechol, cyanidin-3-O-galactoside/glucoside-4-vinylsyringol, malvidin-4-vinylguaiacol, and malvidin-4-vinylcatechol) during blueberry wine fermentation, which may improve the color stability of blueberry wine. These findings provide new insights for improving the quality of blueberry wine using non-Saccharomyces yeasts.

OriginalsprogEngelsk
Artikelnummer137956
TidsskriftFood Chemistry
Vol/bind438
Antal sider10
ISSN0308-8146
DOI
StatusUdgivet - 2024

Bibliografisk note

Funding Information:
This work was financially supported by National Natural Science Foundation of China (grant No. 32360228 ), the Guizhou University Natural Science Program (No. Gui Da Te Gang He Zi [2023] 21 ), and the Guizhou Provincial Science and Technology Foundation (ZK [2022] General Project 190).

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