Term for the loss of liquid in a wine container due to evaporation, which occurs primarily in containers made of wood and, to a lesser extent, other materials, as well as in bottles sealed with natural corks. Compared to tanks made of stainless steel, glass or ceramic, wooden barrels are not absolutely leak-proof, but instead there is an exchange of substances such as liquids, oxygen and possibly also harmful substances such as micro-organisms like bacteria, fungi or viruses in both directions (both outwards and inwards), which can lead to negative effects or, in the worst case, spoilage of the wine.
Particularly with old wooden barrels, leaks, especially between the staves, can result in relatively high shrinkage. Depending on the type of wine, the resulting...
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Prof. Dr. Walter Kutscher
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