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vol.58 número2SYNTHESIS, CRYSTAL STRUCTURES AND ANTIBACTERIAL ACTIVITIES OF BENZOHYDRAZONE DERIVATIVES FROM 4-DIETHYLAMINOSALICYLALDEHYDE¹H AND 13C NMR SPECTRAL ASSIGNMENTS AND X-RAY CRYSTALLOGRAPHY OF N-(3-(1H-IMIDAZOL-1-YL)PROPYL)-2-PHENYLQUINAZOLIN-4-AMINE índice de autoresíndice de materiabúsqueda de artículos
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Journal of the Chilean Chemical Society

versión On-line ISSN 0717-9707

Resumen

MELLADO, MARCO et al. ANTIOXIDANT ACTIVITY OF ANTHRAQUINONES ISOLATED FROM LEAVES OF MUEHLENBECKIA HASTULATA (J.E. SM.) JOHNST. (POLYGONACEAE). J. Chil. Chem. Soc. [online]. 2013, vol.58, n.2, pp.1767-1770. ISSN 0717-9707.  http://dx.doi.org/10.4067/S0717-97072013000200028.

Three anthraquinones, the well known emodin (3) and physcion (6) and the new anthraquinone glycoside emodin-8־β־D-idopyranoside (7) were isolated from leaves ofMuehlenbeckia hastulata. The antioxidant activity of these compounds was measured using the DPPH assay; all three showed weaker antioxidant activity than gallic acid.

Palabras clave : Muehlenbeckia hastulata; Anthraquinones; Emodin; Physcion; Emodin-8-β-D-idopyranoside; 2D-NMR; DPPH assay; Gallic acid.

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