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- Title
Chitooligosaccharide as A Possible Replacement for Sulfur Dioxide in Winemaking.
- Authors
Zhenming Hao; Yanrong Zhang; Zhen Sun; Xianzhen Li
- Abstract
Sulfur dioxide (SO2) has been used for centuries as a preservative in winemaking. However, the addition of SO2 is associated with allergic reactions and can negatively affect wine quality. In our work, chitooligosaccharide (COS) was applied as an alternative to SO2 in winemaking, and its antimicrobial activity during winemaking was investigated in comparison with the action of SO2. The optimal concentration of COS was identified as 500 mg/L. The antimicrobial effect of COS was evaluated using known and our own separated wine spoilage organisms. The antimicrobial effect of 500 mg/L COS was found to be comparable with that of 100 mg/L SO2. Furthermore, using 500 mg/L COS as an additive during winemaking did notinfluence the cell growth of Saccharomyces cerevisiae. Therefore, COS can be used as an additive in winemaking.
- Subjects
SACCHAROMYCES cerevisiae; CELL growth; ALLERGIES; ADDITIVES; SULFUR dioxide; WINES
- Publication
Applied Sciences (2076-3417), 2020, Vol 10, Issue 2, p578
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app10020578