It has already been reported that the active constituents gallic acid
and gallicin present in B.
Comparison of hypolipidemic activity of synthetic gallic acid
-linoleic acid ester with mixture of gallic acid
and linoleic acid, gallic acid
, and linoleic acid on high-fat diet induced obesity in C57BL/6 Cr Sic mice.
HFPC Compounds mg/g Percent Gallic acid
- - Chlorogenic acid 1.
The total phenolic content was measured by the Folin-Ciocalteu reagent method using gallic acid
as the standard.
Preparation of standard stock solution: standard stock solution containing quercetin and gallic acid
1 mg/mL was prepared in methanol.
In each assay, we use data from the antioxidant gallic acid
to determine satisfactory assay performance.
Polyphenols in grape seeds are mainly flavanoids, including gallic acid
, the monometric flavan-3-ols catachin, epicatechin, gallocatechin, epigallocatechin, and epicatechin 3-O-gallate, and procyanidin dimmers, trimers and more highly-polymerized procyanidins.
With these genomic studies as a guide, New Orleans scientists are collaborating with other ARS scientists in Albany, California, to determine how natural antioxidative phenolic compounds from host plants, such as gallic acid
, can prevent accumulation of aflatoxin in economically important crops.
Rutin and gallic acid
, pharmaceutical grade standard, was purchased from the National Institute for Control of Pharmaceutical and Biological Products (China).
Reagents were obtained from the following sources: methanol (HPLC grade) from Scharlau; F-C reagent from Panreac, formic acid, caffeic acid, (+)-catechin, gallic acid
, and quercetin from Sigma; picric acid solution and creatinine from Fluka, Biochemika; and tyrosol and naringin from Extrasynthese.
In another experiment studying the effect of gentisic acid, salicylic acid, and gallic acid
(3, 4, 5-trihydroxybenzoic acid) on the flowering of P.
The extract's antioxidant potency roughly matches that of gallic acid
, another potent antioxidant, and, based upon studies conducted by other scientists, it appears to outperform slightly the flavonoid blend in red wine.