Demonstration of the Use of Tannin During Fermentation to Inhibit the Laccase Activity of Botrytis Cinerea

摘要：

One of the decisive criteria in grape quality at harvest time is grape sanitary aspect.Gray rot caused by Botrytis cinerea is frequently responsible for deteriorating grape quality, as observed in many regions during the 2002 vintage.Grapes affected by this fungus contain laccase, a paradiphenol oxygen oxydoreductase (Dubernet,1974), capable of oxidizing many compounds in grapes, particularly aromatic substances (Boidron, 1978) and polyphenols (Salgues et al., 1986).When the grapes are highly botrytized, musts and wines may be badly spoiled,in spite of any precautions taken: sulfuring at proper doses, working in a totally reducing atmosphere, immediate addition of yeast, early racking, etc.

作者: Bruno Marquette Florent Dumeau Marie-Laure Murat Freddy Daviaud

作者单位: Laffort CEnologie, B.P.17, 33015 Bordeaux Cedex Laboratoire SARCO, 33015 Bordeaux, Société d”application de recherche et de conseil oenologique, res SARCO research fellow working in Professor Yves Glories”Laboratory, Bordeaux Faculty of Enology

会议类型: 国内会议

会议名称: 第八届国际葡萄与葡萄酒学术研讨会

会议地点: 葫芦岛

会议语种:英文

页码: 293-300

在线出版日期: 2013-04-20（万方平台首次上网日期，不代表论文的发表时间）