Pronunciation: kwin'ik as'id
the (-) isomer is an acid found in cinchona bark and elsewhere in plants; 5-dehydroquinic acid is an intermediate in the biosynthesis of l-phenylalanine, l-tyrosine, and l-tryptophan from carbohydrate precursors; quinic acid forms a ?-lactone on heating.
Synonym(s): kinic acid
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Examples: glitazone, GI cocktail, etc.