PJB-2018-72
PHARMACOGNOSTIC EVALUATION OF THE ROOT OF Rhus succedanea VAR. HIMALAICA. J. D HOOKER.
Shafqat Ali Khan
Abstract
Abstract Present study is about Rhus succedanea var. Himalica root belonging to the family anacardiacea comprises pharmacognostic study. The morphological and macroscopic observations were carried out organoleptically that study showed that the average length and breadth of fresh root was 13-20cm and 1.5-4cm when fresh while 11-18cm and 1.3-3.8 respectively when dried. Colour was brown to yellow brownish, cylindrical in shape and rough, odour was aromatic in fresh form and become indistinct when dried, texture was flexible when fresh and become hard and tough on drying with uneven fibrous texture surface and astringent and smell is pleasant. Microscopic study showed that the Transverse section of the root of R. succedanea appeared rounded and showed a typical histological differentiation. Powder microscopy revealed the existence of pitted xylem vessels, phloem fibers, phloem vessel, pitted xylem vessels and fibers. Starch grains, calcium oxalate crystals, cork cells, cortex parenchyma and phloem fibers. Fluorescence study of the powders showed various shades of color like black, brown, green yellow, red to brown black, dark black, yellowish brown, pink etc. with each reagent which was an indication of the presence of different chemical compounds and fluorescent substances. Extractive Values determination showed that the root powder gives highest value in ethanol (37.3%) followed by chloroform (27). The carbohydrates, protein, amino acids, alkaloids, phenols, flavonoids, terpenoids and anthraquinones was detected in root ethanolic extract, while saponin was just detected. Quantitatively flavonoids (0.18mg/g) was found to be exist in highest amount. The pharmacognostic study, physiochemical analysis is helpful in the standardization of drug.
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