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Maceration is often confused with marination, which is the process of soaking foods in a seasoned, often acidic, liquid before cooking. Some herbal preparations call for maceration, as it is one way to extract delicate or highly volatile herbal essences without applying heat. [1]
Maceration continues during the fermentation period, and can last well past the point when the yeast has converted all sugars into alcohol. The process itself is a slow one with compounds such as the anthocyanins needing to pass through the cell membrane of the skins to come into contact with the wine.
Maceration, in chemistry, the preparation of an extract by solvent extraction; Maceration, in biology, the mechanical breakdown of ingested food into chyme; Skin maceration, in dermatology, the softening and whitening of skin that is kept constantly wet; Maceration, in poultry farming, a method of chick culling
Carbonic maceration is a winemaking technique, often associated with the French wine region of Beaujolais, in which whole grapes are fermented in a carbon dioxide rich environment before crushing. Conventional alcoholic fermentation involves crushing the grapes to free the juice and pulp from the skin with yeast serving to convert sugar into ...
Maceration is defined as the softening and breaking down of skin resulting from prolonged exposure to moisture. It was first described by Jean-Martin Charcot in 1877. [ 1 ] [ 2 ] Maceration is caused by excessive amounts of fluid remaining in contact with the skin or the surface of a wound for extended periods.
Commonly used solvents for maceration/solvent extraction include hexane, and dimethyl ether. In organic solvent extraction, aromatic compounds as well as other hydrophobic soluble substances such as wax and pigments are also obtained. The extract is subjected to vacuum processing, which removes the solvent for re-use.
The length of maceration (where the must is in contact with the skin) will influence how much of these compounds are extracted and available in the wine. The aromas and flavor of rosés are primarily influenced by the particular grape varieties used to produce the wine, but the method of production also plays an important part.
The skins contain color pigment, phenols and tannins that would normally be considered undesirable for white wines, while for red wines skin contact and maceration is a vital part of the winemaking process that gives red wine its color, flavor, and texture. [3] Orange wines tend to be natural (a.k.a. minimal intervention) wines.