Tincture

:This article is about alcoholic liquids. For the colors used in a coat of arms, see tincture (heraldry).

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In medicine, a tincture is an alcoholic extract (e.g. of a herb) or solution of a nonvolatile substance (e.g. of iodine, mercurochrome.) Solutions of volatile substances were called spirits, although that name was also given to several other materials obtained by distillation, even when they did not include alcohol. Some examples that were formerly common in medicine include:

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• tincture of benzoin
• tincture of cantharides
• tincture of ferric citrochloride (a chelate of citric acid and Iron(III) chloride)
• tincture of green soap (which also contains lavender)
• tincture of guaiac
• tincture of iodine
• tincture of opium (laudanum)
• camphorated opium tincture (paregoric)

The phrase "Tincture of time" refers to the tendency of many things to resolve themselves if one simply waits.

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Examples of spirits include:

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• spirit of ammonia (also called spirit of hartshorn)
• spirit of camphor
• spirit of ether, a solution of diethyl ether in alcohol
• "spirit of Mindererus", ammonium acetate in alcohol
• "spirit of nitre" is not a spirit in this sense, but an old name for nitric acid (but "sweet spirit of nitre" was ethyl nitrite)
• similarly "spirit of salt" actually meant hydrochloric acid,
• "spirit of vinegar" was glacial acetic acid and
• "spirit of vitriol" was sulfuric acid.
• "spirit of wine" or "spirits of wine" is an old name for alcohol (especially food grade alcohol derived from the distillation of wine)
• "spirit of wood" means methanol, often derived from the destructive distillation of wood

Medicine: Medicine is a branch of health science concerned with maintaining human health and restoring it by treating disease and injury; it is both an area of knowledge, a science of body systems and diseases and their treatment, and the applied practice of that knowledge....

Alcohol: In general usage, alcohol (from Arabic al-khwl الكحول, or al-ghawl الغول) refers almost always to ethanol, also known as grain alcohol, and often to any beverage that contains ethanol (see alcoholic beverage). This sense underlies the...

Herb: An herb (pronounced "hurb" in Commonwealth English and "urb" in American English) is a plant grown for culinary, medicinal, or in some cases even spiritual value. The green, leafy part of the plant is typically used. General usage differs between culinary herbs and medicinal herbs. A medicinal he...

Tincture related Images and Photos (experimental)

Tincture Iodine U.S.P.