Enicostema littorale: a new source of swertiamarin

Enicostema littorale a useful medicinal herb was subjected to phytochemical as well as pharmacological investigations. A secoiridoid glycoside, swertiamarin, was isolated and identified on the basis of UV, IR, Mass and NMR spectroscopic measurements. However, pharmacological studies on the blood pressure of rats and ileum of Guinea-pig could not provide significant results.