caffeic acid

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caffeic acid

[ka′fē·ik ′as·əd]
(organic chemistry)
C9H8O4 A yellow crystalline acid that melts at 223-225°C with decomposition; soluble in water and alcohol.
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The effectiveness of chlorogenic acid and its main metabolites, caffeic and quinic acids, against oxidative stress was investigated.
The HPLC analysis revealed that flavonoids (quercetin, quercitrin, isoquercitrin, luteolin, rutin and kaempferol), tannins (caffeine, catechin, epicatechin and epigallocatechin) and phenolics acids (gallic, chlorogenic, ellagic and caffeic acids) are present in the SBE (Fig.
uk, said: "Coffee contains chlorogenic acid and caffeic acid, which have antioxidant properties that may help reduce inflammation and protect against chronic disease.
In addition to a structural role, lignin confers protection against pathogens and insects (Swain, 1979; El Modafar and El Boustani, 2004), while caffeic, p-coumaric, ferulic and sinapic acids participate in cell wall composition, singly or in a range of sterified forms (Harborne, 1988).
Like olive oil, it also contains some vitamin E, along with small quantities of polyphenols such as caffeic acid, oleuropein, catechol and resorcinol.
The results showed that among the phenylpropanoid metabolites, the variation trends of chlorogenic acid and flavonoids were similar, and caffeic acid content remained stable in each period.
Furthermore, cucumbers have a high water content that helps lubricate joints, as well as vitamin C and caffeic acid, both of which support skin integrity and reduce swelling.
Rosemary contains both caffeic acid and rosmarinic acid which act as a powerful anti-inflammatory making it ideal for those who suffer with auto-immune disorders such as rheumatoid arthritis, chronic fatigue syndrome, and fibromyalgia.
Caffeic acid was chosen as representative of the phenolic acids since it has also been demonstrated to be inhibitory on adipogenesis [27].
HPLC analysis indicated that the major polyphenols in the SFE extracts consisted of chlorogenic acid, caffeic acid, syrigin, procyanidin B2, (-)-epicatechin, cinnamic acid, coumaric acid, phlorizin and quercetin, of which procyanidin B2 had the highest content of 231.
The major chemical constituents of the fruits of Berberis integerrima (barberry), of the Berberidaceae family, include coumarin, ascorbic acid, berberine, caffeic acid, [beta]-carotene, flavonoids, malic acid, palmatine, carbohydrates, tannin, and ursolic acid.