Plants produce several secondary metabolites with varying characteristics such as alkaloids, terpenoids, flavanoids, steroids, saponins, glycosides, tannins etc. The book includes HPTLC based Phyto-chemical fingerprinting monographs of extracts of thirty seven Indian plants and four essential oils with detailed extraction methods and HPTLC sample preparation. The study serves a base work for further analysis of individual compound and searching their unnoticed bioactivity. Nowadays HPTLC is a routine analytical technique, facilitated with very easy sample preparation and multiple sample...