Abstract

Limnophila rugosa Roth. (Merr) (Scrophulariaceae) is used as a botanical source of Bhringaraja by the traditional practitioners of Balangir and Baragarh district of Odisha. The present study was carried out to screen the preliminary phytochemical constituents of ethanol & aqueous extracts of the whole parts of L. rugosa including High Performance Thin Layer Chromatography. The extracts were subjected to various chemical tests in order to identify the main phytoconstituents of the plant. The study revealed that the ethanol extract contains glycosides, little amount of alkaloids and flavonoids where as the aqueous extract is rich in glycosides.

Key words: Limnophila rugosa, Phytochemistry, Bhringaraja, Gandhamardana hills