Comparative Pharmacognostical and Analytical Studies of Root Barks of Species Used as Patala in Ayurvedic System of Medicine

Herbal drug market is becoming more and more competitive day by day. Dashamoola is important group of ten plants whose roots are used for variety of purposes. Patala is one of the plants from this Dashamoola group. Its commonly accepted botanical source is Stereospermum suaveolens (Roxb.)DC. Stereospermum suaveolens (Roxb.)DC is identified as NT (Near threatened) species thus there is need to evaluate substitute for it to increase the source plants.1 Radermachera xylocarpa (Roxb.) K. Schum. can be used as substitute for Stereospermum suaveolens (Roxb.)DC.2 Free hand selections and organoleptic examination was done of all samples, microscopic characters, ash values, LOD, extractive values, Tannin content & other phyto-chemical analysis. Transverse section of both the samples show presence of stone cells, micro-crystals of ca-oxalate, simple and compound starch grains, brown content (Tannin). Phytochemical study reveals presence of a wide range of phytoconstituents like Glycosides, Steroids, alkaloids, Tannins and Flavonoids in both extracts. The quantitative estimation of Tannin in S. suaveolens root bark is 2.511%w/w and R.xylocarpa root bark 9.207 %w/w.