| pyrogallol | <chemistry> A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes. Origin: Pyrogallic + -ol. Source: Websters Dictionary (01 Mar 1998) |
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| pyrogallol-phloroglucinol isomerase | <enzyme> Converts pyrogallol (1,2,3-benzentriol) to phloroglucinol (1,3,5-benzenetriol): also converts 1,2,4-benzenetriol to resorcinol plus 2,6-dihydroxyquinone Registry number: EC 5.4.99.- Synonym: p-p isomerase (26 Jun 1999) |