Chemical composition and biological activity of Laennecia schiedeana |
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Authors: | Arciniegas Amira Polindara Luis Angel Pérez-Castorena Ana L García Ana Maria Avila Guillermo Villaseñor José Luis de Vivar Alfonso Romo |
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Institution: | Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, 04510 México, DF México. |
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Abstract: | The chemical study of Laennecia schiedeana afforded three sterols, five diterpenes, five flavonoids, three caffeoyl derivatives of quinic acid, and two triterpenes. Evaluation of the cytotoxic activity of the extracts and isolated metabolites showed that 15-methoxy-16-oxo-15,16H-strictic acid was the most active compound (15.05 +/- 2.2) microg/mL against U-251 cells]. In antibacterial assays the acetonic extract of leaves was the only active extract exhibiting its highest effect against the multiresistant Staphylococcus epidermidis (MIC 0.25 mg/mL). The anti-inflammatory activity observed was mild in the extracts and not relevant in the isolated compounds. |
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