Studies on flavonoids of Andrographis paniculata / 中国中药杂志
China Journal of Chinese Materia Medica
;
(24): 391-395, 2006.
Artículo
en Chino
| WPRIM
| ID: wpr-350932
ABSTRACT
<p><b>OBJECTIVE</b>To study the flavonoids of the aerial parts of Andrographis paniculata.</p><p><b>METHOD</b>Twelve flavonoids from the 85% EtOH extract were isolated by the silica gel column, Sephadex LH-20 column, ODS column chromatography and HPLC, and their structures were identified by the spectal analyses and chemical evidences.</p><p><b>RESULT</b>The 12 compounds were obtained and identified as 7-O-methylwogonin (1), 7-O-methyldihydrowogonin (2), 5-hydroxy-7, 8, 2', 5'-tetramethoxy-flavone (3), skullcapflavone-2'-methoxylether (4), 5-hydroxy-7, 8, 2', 3'-tetramethoxyflavone (5), 5, 4'-dihydroxy-7, 8, 2', 3'-tetramethoxyflavone (6), dihydroskullcapflavone (7), 5, 7, 8-trimethoxydihydroflavone (8), 5, 2'-dihydroxy-7, 8-dimethoxyflvone (9), andrographidine C (10), 5, 7, 4'-trihydroxyflavone (11), 5, 7, 3', 4'-tetrahydroxyflavone (12).</p><p><b>CONCLUSION</b>Compound 6 is a new naturally occurring product isolated from A. paniculata, and compound 8, 11 and 12 are obtained for the first time from the Andrographis species.</p>
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Asunto principal:
Plantas Medicinales
/
Flavonoides
/
Estructura Molecular
/
Química
/
Andrographis
/
Componentes Aéreos de las Plantas
/
Luteolina
Idioma:
Chino
Revista:
China Journal of Chinese Materia Medica
Año:
2006
Tipo del documento:
Artículo
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