Phytochemical, pharmacognostic and physicochemical studies of Geodorum densiflorum (lam.) Schltr. Pseudobulb.

Author(s): Pravin Ajabsing Theng*, A. N. Korpenwar

Abstract

The present study was carried out to describe some pharmacognostic, phytochemical and physicochemical evaluation of pseudobulb powder of Geodorum densiflorum. In macroscopic evaluation, organoleptic characters were taken like colour, odour and taste. The powder having dull white colour, characteristic odour and slightly bitter in taste. In microscopic study, pseudobulb having epidermis, cortex, and scattered vascular bundle. The preliminary phytochemical screening of pseudobulb was carried out in successive solvent like pet. ether, chloroform, ethanol and acetic acid by soxhlet extractor. Phytochemical screening revealed the presence of alkaloids, steroids, carbohydrates, saponins, phenol and tannin. The extractive values were also calculated. Physicochemical investigation was carried out by using parameters like total ash, acid insoluble ash, water soluble ash, loss on drying; alcohol extractive value and aqueous extractive value are 5.86, 9.89, 2.58, 9.9, 8.00 and 43.76 respectively. This study will provide information for the identification and standardization of the crude drug.

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