pyrogallol


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Related to pyrogallol: purpurogallin

py·ro·gal·lol

 (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

(ˌpaɪrəʊˈɡælɒl)
n
(Elements & Compounds) a white lustrous crystalline soluble phenol with weakly acidic properties; 1,2,3-trihydroxybenzene: used as a photographic developer and for absorbing oxygen. Formula: C6H3(OH)3
[C20: from pyro- + gall(ic)2 +-ol1]
ˌpyroˈgallic adj

py•ro•gal•lol

(ˌpaɪ rəˈgæl ɔl, -ɒl, -ˈgɔ lɔl, -lɒl)

n.
a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C6H3(OH), obtained by heating gallic acid and water.
[1875–80; pyro- + gall(ic) + -ol1]
py`ro•gal′lic (-ˈgæl ɪk, -ˈgɔ lɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyrogallol - a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer
phenol - any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
References in periodicals archive ?
A 1995 report showed that superoxide generated by autoxidation of pyrogallol was quenched by nicotinic acid only at supraphysiologic concentrations.
Marklund, Involvement of the superoxide anion radical in the autoxidation of pyrogallol and a convenient assay for superoxide dismutase, Eur J Biochem, 47(3):469-74 (1974).
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).
8), it was noticed that the condensation reaction of formaldehyde with polyphenols, such as pyrogallol (1,3,5 trihydroxybenzene) or resorcinol (1,3 hydroxybenzene) was much faster than with the classical phenol.
05 units Peroxidase : 1[mu] mole of pyrogallol oxidized/minute Table 3: SOD, ascorbic acid and tocopherol contents in grains of vigna mungo.
One portion of plasma coming from lithium/ heparin-coated tubes was treated with pyrogallol 12% (20 [micro] L x [mL.
pyrogallol, catechol, phloroglucinol and femlic acid, are reported to act synergistically with auxin on AR (James & Thurbon, 1981).
SRL) Chemicals (India), cumene hydro peroxide, pyrogallol was from Hi-media Laboratory (Mumbai, India).
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.
Pyrogallol, syringaldehyde and acetosyringone stayed in the still but were mainly lost.
This type of complex formation is favoured when there are electronegative atoms of functional groups substituted in adjacent positions in the aromatic ring (like in o-phthalic acid, pyrogallol, catechol, maleic acid, etc.