Standardization of Eclipta alba (L)

Eclipta alba (L.) Hassk commonly known as False Daisy, yerba de tago, and bhringraj, is a plant belonging to the family Asteraceae. Root well developed, cylindrical, greyish. It is also named 'kehraj' in Assamese and karisalankanni in Tamil. The air-drie powder was extracted with different solvent systems such as petroleum-ether (40-600C), benzene, chloroform, ethanol and sterile water and preliminary phytochemical analysis of the extracts including TLC assays were done and the Rf values were determined. Physico-chemical characters, fluorescence characters and extractive values of the powder in different solvent systems were also determined. The pharmacognostical parameters studied, may be Used as a tool for the correct identification of the plant and also to test the Adulterants if any.