Simultaneous HPLC analysis of crebanine, dicentrine, stephanine and tetrahydropalmatine in Stephania venosa
2017
Kongkiatpaiboon, Sumet | Duangdee, Nongnaphat | Prateeptongkum, Saisuree | Tayana, Ngampuk | Inthakusol, Wichayasith
Stephania venosa (Blume) Spreng., Menispermaceae, has been traditionally used as tonic drug and treatment of various diseases in South East Asian countries. In order to evaluate the quality and standardization of S. venosa roots, the HPLC method for quantification of the content of major components in S. venosa was developed and validated. The chromatographic separation was performed on a Hypersil BDS C18 column using gradient system of 100mM ammonium acetate in water and methanol with flow rate 1ml/min. Detection wavelength was set at 210nm for tetrahydropalmatine, 280nm for dicentrine and crebanine, and 270nm for stephanine. The validated method showed good sensitivity, linearity, precision, and accuracy. The suitable solvent that yielded highest alkaloids contents from the matrix was optimized. S. venosa samples collected from various locations were analyzed. The present study provided comprehensive overview of major components in S. venosa. A remarkable variation in the accumulation of alkaloids in each population and the between individual in the same population could be observed. Our results showed the heterogeneity of S. venosa in Thailand which would need a further study for species delimitations.
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