Evaluation of pharmacognostical, preliminary phytochemical studies on the whole plant of vanda tessellata (roxb) hook

Abstract

In the present study, an attempt was made to investigate pharmacognostiacal and preliminary phytochemical studies on the whole plant of vanda tessellate (Roxb) Hook (Orchidaceae). The Macroscopical, microscopical and phytochemical studies have been carried out on the whole plant Characteristic pharmacognostic features of the plant observed were presence of Lamina, vascular bundle, scleroids, xylem , phloem etc are in T S of leaf. In root consists of cortex, endodermis, vascular cylinder sclerenchyma, endodermis, pith . Quantitative evaluations were also carried out. The Total ash value, water soluble ash value, acid insoluble ash value, sulphated ash value, loss on drying. The presence of phytochemical constituents in the extract was alkaloids, glycosides, steroids, carbohydrates, fats, lignin and flavonoids.