Phytomedicine

Antimycobacterial activity of lichen substances

…, TIB Lopes, MY Misutsu, A Beatriz, RL Brum, CQF Leite

Index: Honda; Pavan; Coelho; de Andrade Leite; Micheletti; Lopes; Misutsu; Beatriz; Brum; Leite Phytomedicine, 2010 , vol. 17, # 5 p. 328 - 332

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Citation Number: 68

Abstract

We describe here the extraction and identification of several classes of phenolic compounds from the lichens Parmotrema dilatatum (Vain.) Hale, Parmotrema tinctorum (Nyl.) Hale, Pseudoparmelia sphaerospora (Nyl.) Hale and Usnea subcavata (Motyka) and determined their anti-tubercular activity. The depsides (atranorin, diffractaic and lecanoric acids), depsidones (protocetraric, salazinic, hypostictic and norstictic acids), xanthones ( ...