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I read this under the 'wine making practices of bordeaux' section and i need help understanding it. When water content is too high, some well-funded estates choose to concentrate must through other means, like vacuum distillation or reverse osmosis. (When employed in California, such technologies reduce alcohol content; in Bordeaux, the intent is usually the opposite.) My question is Why would the bordelaise use these dealcoholizing methods in winemaking if the intent is to do the opposite?
Hey Marlon! This is a technique used after significant rainfall near harvest. They are notd ealcoholizing the wines but removing excess water, which in turn, is concentrating the must.