Abstract:
An investigation of selected group of crude drugs offer identification as well as establishment of pharmacognostic specification of Kaysorn-tung-haa. These are Phi-kun, Bun-naak, Saa-ra-phee, Ma-li and Bua-luang. Pharmacognostical specification were established by detailed studying of each kind of Kaysorn included morphology as well as other properties of medicinal plants such as shape, size, color and taste, microscopical study concerning cell characters and cell structures, characters of powder drug; chromatographic study of their alcoholic extracts one-dimensional thin-layer chromatography ultraviolet absorptions of the extract, comparison of pharmacognostic specification of Kaysorn-tung-haa with similar crude drug and title. Pharmacognostic studies of each kind of crude drug in Kaysorn-tung-haa revealed specific comparative data of which displayed in the form of tables. The result of this investigation offer a valuable tool for the identification of each crude drug in Kaysorn-tung-haa
