quinic acid

American  

[kwin-ik] / ˈkwɪn ɪk /

noun

Chemistry.

1. a white, crystalline, water-soluble, solid cyclic compound, C 7 H 1 2 O 6 , present in cinchona bark, coffee beans, and the leaves of many plants.

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quinic acid British  

/ ˈkwɪnɪk /

noun

1. a white crystalline soluble optically active carboxylic acid, found in cinchona bark, bilberries, coffee beans, and the leaves of certain other plants; 1,3,4,5-tetrahydroxycyclohexanecarboxylic acid. Formula: C 6 H 7 (OH) 4 COOH

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Etymology

Origin of quinic acid

1805–15; < Spanish quin ( a ) quinine + -ic

Example Sentences

In addition to the above, red bark contains quinic acid, C7H12O6, which is closely allied to benzoic acid and is excreted in the urine as hippuric acid.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various

To prevent the formation of uric acid Robin prescribes quinic acid combined with formine or urotropine.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" by Various

Hydroquinone was obtained by Caventou and Pelletier by heating quinic acid, but these chemists did not recognize its true nature.

From Coal and What We Get from It by Meldola, Raphael

In 1838 Woskresensky, by oxidizing quinic acid with sulphuric acid and oxide of manganese, obtained a crystalline substance which he called quinoyl.

From Coal and What We Get from It by Meldola, Raphael

In the case of hydroquinone, the original source, quinic acid, was obviously out of question, for economical reasons.

From Coal and What We Get from It by Meldola, Raphael