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Published on:10th sep 2010
Pharmacognosy Journal, 2010; 2(13):572-576
Research Article | doi:Nill

Pharmacognostic Studies and Physicochemical Properties of the Polyalthia longifolia var. pendula Leaf

Authors and affiliation (s):

Rajeshkumar Dave, Krunal Nagani, Sumitra Chanda*

Phytochemical, Pharmacological and Microbiological Laboratory, Department of Biosciences, Saurashtra University, Rajkot 360 005, Gujarat, India.


The leaves of Polyalthia longifolia (Sonn.) Thw. Var. pendula (Annonaceae) are reported to have great medicinal value. The present investigation was therefore undertaken to determine the requisite pharmacognostic standards for evaluating the plant material. Pharmacognostic studies including examinations of macroscopic and microscopic characters, and powder analysis were determined on leaf of Polyalthia longifolia. The physiochemical properties such as loss on drying, total ash value, acid insoluble ash value, water soluble ash value, pH, boiling point, melting point and extractive values of leaf were carried out. The solubility of methanolic extract of leaves was carried out in various polar and nonpolar solvents. These studies provided crucial information for correct identification and standardization of this plant material.

Key words: Polyalthia longifolia, Pharmacognostic, Physicochemical, Solubility.


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