Abstract:Background: Barakol, a major substance from Senna siamea (Lam.) Irwin and Barneby, is found in variable amount depending upon the source of the plant. Scientific evidence to characterize the traditional preparation of S. siamea is needed. The aim of this study was to characterize the content of barakol in various plant sources and to validate the high-performance liquid chromatography (HPLC) method for the quantification of barakol content from plants harvested from five locations in the northeast of Thailand … Show more
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