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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Combinations of phenolic acids; caffeic acid, syringic acid and 4-hydroxybenzoic acid with the concentrations from 1.
In vitro antimicrobial activity and fungitoxicity of syringic acid, caffeic acid and 4-hydroxybenzoic acid against Ganoderma boninense.
The carboxylic acids used in this study were oxalic acid (OX), malic acid (MAL), citric acid (CIT), 4-hydroxybenzoic acid (HB), protocatechuic acid (PCH), 4-hydroxycinnamic acid (HC; also known as p-coumaric acid), and caffeic acid (CAF).
The phenolic acids, rosmarinic acid (RA), caffeic acid (CA) and ferulic acid (FA) are widely present in foods and dietary supplements, and they are assumed to exert various beneficial biological effects.
Rosmarinic acid (RA), caffeic acid (CA) and ferulic acid (FA) are common components of various foods such as thyme, rosemary, and basil, and of botanical dietary supplements either as the single compound or as a component of a botanical extract.
The ortho-substituted phenolics such as salicylic and o-coumaric acids, and dihydro-substituted phenolics such as protocatechuic and caffeic acids, are adsorbed by clay minerals by forming chelate complexes with metals (Shindo & Kuwatsuka, 1975).
The highest concentration of caffeic acid in humus of bilberry was recovered during snowmelt in May (Gallet & Lebreton, 1995).
The antiproliferative activity of cinnamic, ferulic, 3,4-dimethoxycinnamic and caffeic acids which constitute the majority of propolis (a resinous hive product) was determined against different cell lines.
Glipizide, glycogen, serum bovine albumin, gallic acid, chlorogenic acid, caffeic acid, caffeine, theobromine, quercetin, catechin, (-)epigallocatechin and (-)epigallocatechin gallate were purchased from Sigma-Aldrich Chemical Company[R] (St.
Caffeic acid phenylethyl ester (CAPE), known as a component of propolis from honeybee hives, and other derivatives of caffeic acid up-regulated the expression of reporter gene for RARs.
However, it has been shown that both chlorogenic acid and caffeic acid are strong antioxidants.
Caffeic acid, ferulic acid, DMSO, and assay substrates (dihydrodichlorofluorescein, rhodamine 123, nile red, 7-ethoxyresorufin, 7-benzyloxyresorufin, resorufin, H33258, salicylamide, dicumarol) were purchased from Sigma (St.