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The "cap" of grape skins being "punched down" to maximize maceration. The process of maceration begins, to varying extent, as soon as the grapes' skins are broken and exposed to some degree of heat. Temperature is the guiding force, with higher temperatures encouraging more breakdown and extraction of phenols from the skins and other grape ...
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
Laboratory-scale liquid-liquid extraction. Photograph of a separatory funnel in a laboratory scale extraction of 2 immiscible liquids: liquids are a diethyl ether upper phase, and a lower aqueous phase. Soxhlet extractor. Extraction in chemistry is a separation process consisting of the separation of a substance from a matrix. The distribution ...
Maceration is the chief means of producing flavored alcoholic beverages, such as cordials, liqueurs, and Geister. [ citation needed ] Maceration of byproducts from food processing plants and other organic byproducts such as cooking oil, stubble, wood chips or manure can involve the use of a chopper pump to create a slurry which can be used to ...
Organic solvent extraction is the most common and most economically important technique for extracting aromatics in the modern perfume industry. Raw materials are submerged and agitated in a solvent that can dissolve the desired aromatic compounds. Commonly used solvents for maceration/solvent extraction include hexane, and dimethyl ether.
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 a form of controlled putrefaction, a stage of decomposition in which the proteins of the body's cells are broken down and consumed by bacteria in anaerobic conditions. The temperature is usually maintained at a constant optimal temperature in an incubator. Maceration generates very strong and distasteful odors, and is therefore ...
Acid maceration is a technique to extract organic microfossils from a surrounding rock matrix using acid. Hydrochloric acid or acetic acid may be used to extract phosphatic fossils, such as the small shelly fossils, from a carbonate matrix. Hydrofluoric acid is also used in acid macerations to extract organic fossils from silicate rocks.