Natural products have provided important therapeutic uses in several areas of medicine. The leaves of Lagerstroemia speciosa were reported to possess good anti-diabetic activity. The present study deals with microscopical analysis, preliminary phytochemical analysis and physicochemical parameters like Ash value, Loss on drying, Extractive values which could be a useful tool to prepare a monograph for proper identification of plants. Based on the literature review, different solvents like pet ether, ethyl acetate, ethanol, methanol and water were used for extraction and these extracts were subjected to preliminary phytochemical screening which reveals the presence of tannins and terpenoids. The powdered leaves were also subjected to fluorescence analysis using different chemicals.
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