Fat: nf Fat disease or stringy wine disease (increasingly rare). It is a deterioration of wine, more commonly called fatty degeneration. It is due to the development of lactic acid bacteria of the genus Pediococcus damnosus. Through this bacterial attack on glycerol, the wine becomes oily and stringy. Its flavor is altered. In preventive control, sulphiting is used before alcoholic fermentation and in curative control, sulphiting and mechanical threshing....
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