General term (lat. macerare = to soak) for the production of extracts by steeping plant parts in liquids such as alcohol, oil or water. The addition of herbs, flowers or fruits to alcoholic beverages with the aim of flavouring is also called maceration. The product is known as a macerate. This is a purely physical process in which no chemical substance-changing processes take place. If this process is supported by adding heat or heating the mash, it is also referred to as digestion (see mash heating). The longer the duration, the more intensive the extraction (leaching) of anthocyanins (colouring agents) and tannins (tannins) from the berries. The effect is intensified by filling the empty space in the container with carbon dioxide. The period can last for days, weeks or several months and is known as the maceration period.
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Thomas Götz
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