RP-HPLC simultaneous determination of five triterpenoid acids in different parts of Poria cocos by UV wavelengths switch / 药学学报
Acta Pharmaceutica Sinica
; (12): 494-497, 2010.
Article
en Zh
| WPRIM
| ID: wpr-353368
Biblioteca responsable:
WPRO
ABSTRACT
To establish a method for simultaneous determination of dehydrotumulosic acid, polyporenic acid C, 3-epi-dehydrotumulosic acid, dehydropachymic acid and pachymic acid in Poria, a RP-HPLC method detected by UV wavelengths switch had been developed, including 210 nm (48-55 min) for pachymic acid and 241 nm (0-48 min) for dehydrotumulosic acid, polyporenic acid C, 3-epi-dehydrotumulosic acid, dehydropachymic acid, separately. The system consisting of a Kromasil C18 column (250 mm x 4.6 mm, 5 microm) and a mixture of acetonitrile and 0.05% phosphate acid as the mobile phase was adopted; The flow rate was 1.0 mL x min(-1). The linear response range was 30.5-610.0 microg x mL(-1) (r = 0.999 6) for dehydrotumulosic acid, 12.66-253.2 microg x mL(-1) (r = 0.999 5) for polyporenic acid C, 2.99-59.7 microg x mL(-1) (r = 0.999 7) for 3-epi-dehydrotumulosic acid, 6.13-122.5 microg x mL(-1) (r = 0.999 5) for dehydropachymic acid and 11.3-226.0 microg x mL(-1) (r = 0.9995) for pachymic acid. The average recoveries of these compounds were 98.5% (RSD = 1.9%), 99.4% (RSD = 1.7%), 97.9% (RSD = 1.2%), 96.7% (RSD = 2.5%) and 97.9% (RSD = 2.3%), respectively. The method is simple, accurate and reproducible for quality control of Poria.
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Índice:
WPRIM
Asunto principal:
Plantas Medicinales
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Control de Calidad
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Espectrofotometría Ultravioleta
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Triterpenos
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Medicamentos Herbarios Chinos
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Química
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Reproducibilidad de los Resultados
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Cromatografía Líquida de Alta Presión
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Poria
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Lanosterol
Idioma:
Zh
Revista:
Acta Pharmaceutica Sinica
Año:
2010
Tipo del documento:
Article