pyrogallol


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Related to pyrogallol: purpurogallin

pyrogallol

(pī′rō-găl′ôl′, -ōl′, -ŏl′, -gô′lôl′, -lōl′, -lŏl′)
n.
A white, toxic crystalline phenol, C6H3(OH)3, used as a photographic developer and to treat certain skin diseases. Also called pyrogallic acid.

py′ro·gal′lic (-găl′ĭk, -gô′lĭk) adj.

pyrogallol

(pī″rō-găl′ōl″)
C6H6O3; a toxic chemical derived from gallic acid.
References in periodicals archive ?
Tainoung number 1 cultivar Compound CPWE (mg/100 g) * p-Hydroxybenzoic acid 1863 [+ or -] 318 Gallic acid 579 [+ or -] 72 Pyrogallol 566 [+ or -] 55 Chlorogenic acid 125 [+ or -] 8 Catechin gallate (CG) 125 [+ or -] 43 p-Coumaric acid 68.9 [+ or -] 9.4 Epicatechin gallate (ECG) 32.0 [+ or -] 3.9 Tainoung number 1 cultivar Compound CPEE (mg/100 g) p-Hydroxybenzoic acid 3313 [+ or -] 2 Gallic acid 1052 [+ or -] 1 Pyrogallol 930 [+ or -] 90 Chlorogenic acid 245 [+ or -] 7 Catechin gallate (CG) 189 [+ or -] 52 p-Coumaric acid 131 [+ or -] 0 Epicatechin gallate (ECG) 50.8 [+ or -] 7.0 * The concentration of phenolic compound is expressed as mg/100g peel weight, dry basis.
The adsorption isotherm of pyrogallol on MWNTs was measured as shown in Fig.
Pantothenate was stated to have no quenching effect on superoxide generated by pyrogallol autoxidation until a supraphysiologic concentration of 3.0 mM was reached.
FB 2, 4 Poria cocos SC 4 Termitomyces albuminosus SC/FB 4 Mushroom species Bioactive compound Agaricus blazei Polysaccharides Pyrogallol, hydroxybenzoic acid A.
Study UPCR Protein estimation method Rodriguez-Thompson and 0.19 Pyrogallol red reaction Lieberman 2001 [12] Durnwald and Mercer 2003 [13] 0.39 Biuret method A1 et al.
Involvement of superoxide anion radical in the auto-oxidation of pyrogallol and a convenient assay for superoxide dismutase.
These collected particles were highly oxidizing and generated large amounts of free radicals as detected by EPR, exceeding the signal seen with both the standard reference NIST urban dust material at an equivalent concentration and the intense free-radical generating oxidant pyrogallol (Figure 2).
The Radoux OakScan process helps to precisely analyze the extractable tannins (or ellagitannins), measuring them in milligram equivalents of pyrogallol divided by grams of dry material, according to Mahler-Besse.
Ck extract at 0.05 mg total anthocyanins per liter showed the greatest protection against loss of A23187 relaxation following exposure to ROS from pyrogallol (Ck, % maximal relaxation and -logED50 to A23187, respectively, means +/- SE: Ck alone, 93 +/- 5%, 7.91 +/- 0.1; pyrogallol alone, 76 +/- 7%, 7.46 +/- 0.06; pyrogallol + Ck, 98 +/- 1%, 7.82 +/- 0.06; control: 99 +/- 1%, 7.86 +/- 0.07; P < 0.05 control vs.
Pyrogallol, syringaldehyde and acetosyringone stayed in the still but were mainly lost.
The spectrophotometer was adjusted to read zero at 430 nm with a cuvette containing 3ml of 0.5 M pyrogallol solution and 0.1ml enzyme extract.