Pharmacognostic and phytochemical studies on Parthenium hysterophorus L.

Abstract

From last few decades there is an increased use of herbal medicines all over the world and now there is need to study herbal drugs on scientific basis to develop their monographs. The present research work was an attempt to establish parameters for identification of Parthenium hysterophorus L. (Fam. Asteraceae) according to guidelines of WHO, by studying its morphological and organoleptic characters, detailed microscopic evaluation, histochemical studies, fluorescence analysis, loss on drying, extractive values, swelling index, foaming index and preliminary phytochemical screening of flower heads, leaves, stem and root. Although conventional, but it is simple, easy and quick way for identification and standardization of herbal substances affordable even in developing countries. This is the first report on pharmacognostical and physicochemical studies on this plant which can be helpful in establishing pharmacopoeial monograph of this plant.

Key words: Parthenium hysterophorus, carrot grass, pharmacognostic, Asteraceae.