gallic acid

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gal·lic acid

 (găl′ĭk, gô′lĭk)
A colorless crystalline polyphenol, C7H6O5, derived from certain tannins and used as a tanning agent, as an ink dye, in photography, and in pharmaceuticals.

[French acide gallique, from galle, plant gall; see gall3.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

gallic acid

(Elements & Compounds) a colourless crystalline compound obtained from tannin: used as a tanning agent and in making inks, paper, and pyrogallol; 3,4,5-trihydroxybenzoic acid. Formula: C6H2(OH)3COOH
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

gal′lic ac′id

a white or yellowish solid, C7H6O5, obtained from nutgalls, used esp. in tanning and dyes.
[1785–95; < French]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gallic acid - a colorless crystalline acid obtained from tannin
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
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References in periodicals archive ?
The known compounds were recognized as 1 - eicosanoyl (3), 6-heneicosanyl-1,2,4-trimethoxybenzene (4), 3-hydroxybenzoic acid (5), ethyl gallate (6) gallic acid (7), [beta]-sitosterol (8) and methyl grevillate (9).
Walnuts contain bioactives such as gallic acid, chlorogenic acid and ellagic acid.
The Authors would like to correct Figure 6 and Figure 8 that were published incorrectly in the article "Effect of JJYMD-C, a novel synthetic derivative of gallic acid, on proliferation and phenotype maintenance in rabbit articular chondrocytes in vitro" in volume 47 no.
Gallic acid (3,4,5-trihydroxybenzoic acid, GA), obtained by the hydrolysis of tannins, is a plant polyhydroxy phenol with well-known natural anti-oxidant ability [7].
The phenolic content of potato fries ranged from 542.4 to 714.7 mg gallic acid equivalent per 100 grams of fries, regardless of the treatment used.
Fresh orange juice contains vitamin C and A, folic acid, hesperidin, naringenin, gallic acid, ferulic acid, citric acid (Ohrvik and Witthoft 2008; Galaverna and Dall'Asta 2014; Olayinkaet al.,2015; Pereira-Caro et al., 2015; El-Bassossy et al., 2016; Arabi et al., 2017; Pereira-Caro et al., 2017; Rampersaud and Valim 2017).
Mango contains quercetin, isoquercitrin, astragalin, fisetin, gallic acid and methylgallat, as well as the abundant enzymes.
Standard materials of gallic acid (149-91-7) (1), chlorogenic acid (327-97-9) (2), epigallocatechin (989-51-5) (3), caffeic acid (331-39-5) (4), vanillin (121-33-5) (5), p-coumaric acid (501-98-4) (6), rutin (207671-50-9) (7) and quercetin (6151-25-3) (8) were purchased from Sigma-Aldrich Chemical Company (St.
The flow rate was 0.6 mL/min, injection volume 50 [micro]L and the wavelength were 270 for gallic acid, 278 nm for coumarin, 327 nm for chlorogenic acid and caffeic acid, and 365 nm for quercetin, quercitrin, kaempferol and rutin.
The gallic acid (3,4,5-trihydroxybenzoic acid) is a phenolic acid that can be found in several fruits and in processed food and beverages [3].