Term for the process of extracting air (oxygen) from a container or packaging to create a vacuum. This makes the liquid or food contained in the container more durable because it also removes any microorganisms contained in the air. In viticulture, this prevents or at least limits oxidation or spoilage of the wine.
There are also small hand pumps that can be used to protect opened bottles of wine from spoilage and/or flavour impairment. Vacuuming belongs to the large group of numerous preservation measures. The following applications exist in connection with winemaking:
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