期刊
FOOD MICROBIOLOGY
卷 90, 期 -, 页码 -出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fm.2020.103451
关键词
-
资金
- Australian grapegrowers and winemakers through their investment body Wine Australia
- Australian Government
Aureobasidium pullulans has been observed as one of the most abundant species in freshly pressed grape juice. Despite this, little is known about the consequences for the wine-making process associated with the presence and proliferation of this fungus, including its interaction with other ferment-derived microorganisms and impact on the composition of the resulting wine. In this study, the physiology of abundant A. pullulans grape juice isolates was investigated through lab scale fermentation trials, demonstrating the ability of this species to survive in grape juice while producing polysaccharides, polymers of malic acid (poly beta-malic acid) and enzymes with pectinase, beta - glucosidase and tannase activity. A possible antagonistic effect against yeast through competition for metals including Fe and Zn was also observed. Overall, the data suggests this abundant species could have important implications for wine production and quality.
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