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tartaric acid
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Tartaric acid occurs naturally in fruits such as grapes (Vitis).
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Tartaric acid occurs naturally in fruits such as grapes (Vitis).
Tartaric acid occurs naturally in fruits such as grapes (Vitis).

tartaric acid

chemical compound
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Also known as: dihydroxybutanedioic acid
Written by
William H. Brown
Emeritus Professor of Chemistry, Beloit College, Wisconsin.
William H. Brown
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The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
The Editors of Encyclopaedia Britannica
Article History
Also called:
dihydroxybutanedioic acid
Key People:
Louis Pasteur

tartaric acid, a dicarboxylic acid, one of the most widely distributed of plant acids, with a number of food and industrial uses. Along with several of its salts, cream of tartar (potassium hydrogen tartrate) and Rochelle salt (potassium sodium tartrate), it is obtained from by-products of wine fermentation. In a partially purified form, tartar was known to the ancient Greeks and Romans; the free acid was first isolated in 1769 by Swedish chemist Carl Wilhelm Scheele. The lees, or sediments, and other waste products from fermentation are heated and neutralized with calcium hydroxide; the precipitated calcium tartrate is then treated ...(100 of 379 words)

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