UV–vis irradiation: An alternative to reduce SO 2 in white wines?
LWT - Food Science and Technology, ISSN: 0023-6438, Vol: 51, Issue: 1, Page: 59-64
2013
- 28Citations
- 119Captures
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Article Description
Ultraviolet–visible irradiation was tested as an innovative technology that can help reducing the amount of sulfur dioxide used in white wine manufacturing. In addition, the effects of must freezing before processing were also investigated. Musts from Xarel·lo and Parellada varieties were vinified without any protective treatment, with a standard amount of SO 2 addition or after an irradiation step. The results showed that UV–vis irradiation of must was able to prevent wine from spoilage in the same degree as SO 2, without changing other quality parameters such as pH, tartaric acid and alcohol content. However, a residual addition of SO 2 would be required in order to completely inhibit polyphenol oxidase activity. Moreover, the obtained changes in wine color parameters led to the conclusion that further optimization of the irradiation process is required before its implementation. Must freezing was shown to have some influence on quality parameters of Xarel·lo wines, but not in those from Parellada.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0023643812004549; http://dx.doi.org/10.1016/j.lwt.2012.11.006; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84871050256&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0023643812004549; https://dx.doi.org/10.1016/j.lwt.2012.11.006
Elsevier BV
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