Flavonoids from the seeds of Alpinia galanga Willd / 药学学报
Acta Pharmaceutica Sinica
; (12): 359-362, 2014.
Article
en Zh
| WPRIM
| ID: wpr-245077
Biblioteca responsable:
WPRO
ABSTRACT
Ten flavonoids were isolated from the 95% ethanol extract of the seeds of Alpinia galanga Willd. with a combination of various chromatographic techniques, including silica gel, Sephadex LH-20 and preparative HPLC. On the basis of spectroscopic data analysis, they were elucidated as (2R, 3S)-pinobaksin-3-cinnamate (1), (2R, 3R)-pinobaksin-3-cinnamate (2), pinocembrin (3), pinobaksin (4), 3-O-acetylpinobaksin (5), galangin (6), galangin-3-methylether (7), kumatakenin (8), 3-methylkaempferol (9) and (2R, 3R)-3, 5-dihydroxy-7-methoxyflavanone (10). Among them, compound 1 is a new compound, compounds 2, 5 and 10 were isolated from the genus Alpinia for the first time, and others were isolated from this plant for the first time.
Texto completo:
1
Índice:
WPRIM
Asunto principal:
Plantas Medicinales
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Semillas
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Benzopiranos
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Flavonoides
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Estructura Molecular
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Química
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Cinamatos
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Alpinia
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Flavanonas
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Quempferoles
Idioma:
Zh
Revista:
Acta Pharmaceutica Sinica
Año:
2014
Tipo del documento:
Article