pyrogallate

pyrogallate

(ˌpaɪrəʊˈɡæleɪt)
n
(Elements & Compounds) any salt or ester of pyrogallol
References in periodicals archive ?
The gallic acid reacts with the ferrous sulphate forming the ferrous gallate, which is colourless until the complete oxidation in air (ferric pyrogallate) [12].
The Table 2 shows that phytochemical prospection revealed the presence of compounds such as quinones, tannins phlobaphenes, tannins pyrogallates, steroids, flavones, flavonols, flavononols, flavonones, chalcones, catechins, proanthocyanidins, triterpenoids, alkaloids and saponins.
Metabolites identified Extracts 1 2 3 4 5 6 7 8 9 Leaves + + - - - + + + + Roots - + + - - + + + + Metabolites identified Extracts 10 11 12 13 14 15 16 17 18 Leaves - + + + + + + + + Roots - - + + + - + - + 1 = Phenols; 2 = tannins condensed; 3 = tannins pyrogallates; 4 = anthocyanins; 5 = anthocyanidins; 6 = flavones; 7 = flavonols; 8 = flavononols; 9 = flavonones; 10 = xanthones; 11 = chalcones; 12 = aurones; 13 = proanthocyanidins; 14 = catechins; 15 = alkaloids; 16 = triterpenoids; 17 = saponinas, 18 = steroids + = presence; - = absence Table 3.