pyrogallate

(ˌpaɪrəʊˈɡæleɪt)

(Elements & Compounds) any salt or ester of pyrogallol

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The gallic acid reacts with the ferrous sulphate forming the ferrous gallate, which is colourless until the complete oxidation in air (ferric pyrogallate) [12].

Characterization and Digital Restauration of XIV-XV Centuries Written Parchments by Means of Nondestructive Techniques: Three Case Studies

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.

Phytochemical analysis and modulation in aminoglycosides antibiotics activity by Lantana camara L./Analise fitoqufmica e modulacao sobre a atividade antibiotica de aminoglicosfdeos por Lantana camara L

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