quinic acid


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Related to quinic acid: Caffeic acid, Chlorogenic acid, Shikimic acid

quin·ic ac·id

(kwin'ik as'id),
l-quinic acid; 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 γ-lactone on heating.
Synonym(s): kinic acid

quinic acid

C7H12O6, a crystalline acid present in some plants, including cinchona bark, and berries.
CAS # 77-95-2
See also: acid
References in periodicals archive ?
Although quinic acid failed, chlorogenic and caffeic acids significantly ameliorated the H2O2-induced decline in TTC staining intensities.
Quinic acid derivatives, including 3, 5-dicaffeoylquinic acid, are also present in Lychnophora ericoides (Aster-aceae), popularly known as arnica-da-serra.
This compound was tentatively characterized as 3,4- dicaffeoyl quinic acid (3,4-DCQA, 11).
An active ingredient of Cat's Claw water extracts identification and efficacy of quinic acid.
A typical break-down product of chlorogenic acid is the quinic acid as mentioned above.
AC-11 and AIO samples were measured against standards of Dioctyl Phthalate (DOP) and Quinic Acid Lactone (QAL) with maximum absorbance at 505 and 520 nm, respectively.
At least four of the cinnamic acid derivatives are quinic acid esters: 5-caffeoylquinic acid (neochlorogenic acid), 3-caffeoylquinic acid (chlorogenic acid), 5-coumaroylquinic acid, and 3-coumaroylquinic acid.
The substrates used here were 2 amines (D-glucosamine, L-glutamine), 6 amino acids (L-arginine, L-asparagine, L-glutamic acid, L-histidine, L-lysine, L-serine), 2 carbohydrates (D-glucose, D-mannose), and 15 carboxylic acids (L-ascorbic acid, citric acid, fumaric acid, gluconic acid, [Alpha]-ketobutyric acid, [Alpha]-ketoglutaric acid, [Alpha]-ketovaleric acid, DL-malic acid, malonic acid, pantothenic acid, quinic acid, succinic acid, tartaric acid, uric acid, and urocanic acid), [Alpha]-DL-hydroxybutyric acid was excluded from the list of 25 substrates defined by Degens (1998b) because of the unavailability of the compound and poor response in previous work (Degens 1998a, 1998b, 1999).
NutriCran[R]90 - Cranberry juice powder standardized to 90% fruit solids and 35% organic acids with a typical and unprecedented profile of 9% quinic acid
Methanolic extract of aerial parts yielded 3,5-di-O-caffeoyl quinic acid, 1,5-di-O-caffeoyl quinic acid, 3,4-di-O-caffeoyl quinic acid, 4,5-di-O-caffeoyl quinic acid and chlorogenic acid together with asiaticoside, kaempferol, quercetine, kaempferol-3-O-beta-Dglucoside, and quercetin-3-O-beta-D-glucoside (Satake et al, 2007).
These include proanthocyanidins, quinic acid, ferulic acid, and chlorogenic acid.