Antimicrobial activity of flavonoids and steroids isolated from two Chromolaena species

Antimicrobial activity of flavonoids and steroids isolated from two Chromolaena species

The crude extracts (dichloromethanic and ethanolic) and some compounds (8 flavonoids and 5 steroids) isolated from Chromolaena squalida (leaves and stems) and Chromolaena hirsuta (leaves and flowers) have been evaluated against 22 strains of microorganisms including bacteria (Gram-positive and Gram-...

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Veröffentlicht in:Revista brasileira de ciências farmacêuticas 2003-12, Vol.39 (4), p.403-408
Hauptverfasser: Taleb-Contini, Silvia Helena, Salvador, Marcos José, Watanabe, Evandro, Ito, Izabel Yoko, Oliveira, Dionéia Camilo Rodrigues de
Format: Artikel
Sprache:eng
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PHARMACOLOGY & PHARMACY
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Zusammenfassung:The crude extracts (dichloromethanic and ethanolic) and some compounds (8 flavonoids and 5 steroids) isolated from Chromolaena squalida (leaves and stems) and Chromolaena hirsuta (leaves and flowers) have been evaluated against 22 strains of microorganisms including bacteria (Gram-positive and Gram-negative) and yeasts. All crude extracts, flavonoids and steroids evaluated have been shown actives, mainly against Gram-positive bacteria.
ISSN:1516-9332
DOI:10.1590/S1516-93322003000400007