a.1.(Chem.) Pertaining to, derived from, or connected with, quinine and related compounds; specifically, designating a nonnitrogenous acid obtained from cinchona bark, coffee, beans, etc., as a white crystalline substance.
References in periodicals archive ?
Sweet taste negatively correlated with quinic acid and the total acid count.
Green leaves consisted of 55% ellagitannins, 29% gallic acid derivatives and 11% flavonoids, with the remaining gallic acid, arbutin, bergenin and caffeoyl quinic acid.
Catabolic response profiles were measured according to Degens and Harris (1997) by short-term respiration responses (4 h at 25[degrees]C) of soil to the addition of 20 simple organic compounds (D-glucosamine, L-glutamine, L-arginine, L-glutamic acid, L-histidine, L-lysine, L-serine, D-glucose, D-mannose, L-ascorbic acid, citric acid, tartaric acid, gluconic acid, [alpha]-ketobutyric acid, [alpha]-ketoglutaric acid, DL-malic acid, malonic acid, pantothenic acid, quinic acid and uric acid).
Matsushige K, Basnet P, Kadota S and T Namba Potent Free Radical Scavenging Activity of Dicaffeoyl Quinic Acid Derivatives from Propolis.
These quinic acid esters can inhibit growth without actually killing the cancer cell.
Structure-activity relationship studies of nine quinic acid derivatives isolated from CPP in Hepa 1-6 cells suggested that mono- or di-caffeoyl quinic acids (CQA) are active substances in the beneficial effects of CPP.
With the three key antioxidant compounds of quinic acid-antioxidant, chlorogenic acid-antioxidant and ferulic acid-antioxidant, KonaRed provides high levels of bioavailable antioxidants -- far exceeding acai, pomegranate and blueberry -- that immediately enter the body at the cellular level to help increase natural energy and fight inflammation.
Acetic acid, formic acid, quinic acid and glycolic acids are examples of acids that reach their highest concentration during the roasting process.
Of these antioxidants, those of most significance are quinic acid, known for its antiviral properties, chlorogenic acid, recognized for its properties as an appetite suppressant, and ferulic acid, a clinically proven anti-inflammatory.
Quinic acid, which is abundant in cranberries, may also help prevent the body from developing painful kidney stones.
Cai et al (153) have demonstrated that the quinic acid can inhibit the binding between HcQ and the ganglioside at the concentration of 10 mM.