Author(s):

Aju BY, Rajalakshmi R and Mini S

Abstract: Medicinal plants have been used in the traditional health care system. Murraya koenigii is a medicinal plant with great therapeutic potential and is used for the treatment of many diseases. Plants are the richest sources of various drugs. Pharmacognostical studies helps to standardize the plants with therapeutic potential. The present study is to standardize Murraya koenigii pharmacognostically which will help for the proper characterization of the drugs derived from this plant. Dried leaf powders as well as fresh leaves were subjected to pharmacognostic analysis. Macroscopic characters (shape, surface and color of the plant samples), Microscopic characters (stomatal index, stomatal number, powder microscopy) organoleptic characters (Color, Texture and odor) were analyzed. Fluorescence analysis of leaf powder and extracts were done. pH, ethanol soluble extractive,water solubility index and water absorption index, loss on drying at 105 ⁰C, total ash value, water soluble ash, acid insoluble ash, sulphated ash, volatile oil, crude fiber, foaming index, swelling index of the plant powder were analyzed using standard procedures. Pharmacognostical standardization was carried out on the basis of macroscopic characters, microscopic characters, physico- chemical constants and fluorescence behavior of the plant powder as well as extracts with various chemical reagents. Pharmacognostical standardization of Murraya koenigii leaves can serve as an important source of information to ascertain the identity and to determine the quality and purity of drugs derived from this plant.

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