Quantification of anacardic acid, the toxic component in raw and purified samples of L. by Siddha purification processes.

Objectives: The knowledge of purification process is unique since it deals with various physical and chemical changes in the inherent toxic properties during the process and it renders a strong support in the art of medicine preparation in Siddha system of medicine. L. is listed under Schedule e (1) drugs and purification is mandatory before its administration in medicine preparation.