Coumaric acid

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Related to Coumaric acid: Caffeic acid, ferulic acid
(Chem.) one of a series of aromatic acids, related to cinnamic acid, the most important of which is a white crystalline substance, HO.C6H4.C2H2.CO2H, obtained from the tonka bean, sweet clover, etc., and also produced artificially.

See also: Coumaric

References in periodicals archive ?
According to study findings, the ORAC results showed that, of the tested compounds, ferulic acid performed the best, followed by coumaric acid, propyl gallate, gallic acid and vitamin C (ascorbic acid).
3] reported that coumaric acid and aqueous leachates of alfalfa leaves caused an increase in alfalfa root diameter due to an expanding of the vascular cylinder and cortex cell layers.
Simultaneous determination of quercetin, rutin and coumaric acid in flowers of Rhododandrum arboreum by HPTLC.
They found that the activity of ferulic acid was greater than that of coumaric acid, which was greater than that of propyl gallate.
The standard extract contains more than 17% coumarin and parts of coumaric acid and hydrocoumarin.
1 Standards Coumaric acid Catechin Cafeic acid Retention time (minute) 38.
Flavonols, coumaric acid derivatives and stilbenes were expressed as quercetin, coumaric acid and transresveratrol equivalents, respectively.
Phytochemicals such as ferulic acid, chlorogenic acid, caffeic acid, coumaric acid, cinnamic acid, eugenol, berberine have shown synergistic interaction with commercial oral antidiabetic drugs when they are tested in two different cell lines at basal level (Prabhakar and Doble 2009, 2011 a,b,c).
Among phenolic compounds pinocembrin, chrysin and galangin were determined to be present; and 9-octadecanoic acid, palmitic acid, decanoic acid, coumaric acid and cinnamic acids were demonstrated to exist as organic acids (Table 2).
In spite of the presence of gallic, syringic, chlorogenic, vanillic, caffeic, ferulic, and coumaric acids in Chenopodium album, only chlorogenic acid was identified as a principle allelochemical (Mallik et al.