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PRELIMINARY PHARMACOGNOSTIC STUDY OF GMELINA ARBOREA BARK. Kaur Navreet, Kaur Sarabjit, Bedi PMS and Kaur Ravinder

PRELIMINARY PHARMACOGNOSTIC STUDY OF GMELINA ARBOREA BARK.

Kaur Navreet, Kaur Sarabjit, Bedi PMS and Kaur Ravinder

International Journal of Natural Product Science 2012: Spl Issue 1:184.

Abstract(RBIP-184)

Gmelina arborea Roxb. is a plant belonging to family Verbenaeae. It is known by different names as beechwood, Kashmir tree, and white teak. Hindi name of plant is gambhar or gumhar. Gambhari is one of the herbs mentioned in all ancient scriptures of Ayurveda.1 It grows throughout India in moist deciduous forests like Himalaya, Nilagiri, along with eastern and Western Ghats.2 It is reported to contain alkaloid, glycoside, lignann derivative compound, sesquiterpenoid, flavanoids. Four compounds have been reported in bark meal namely tyrosol, balanophonin, neolignan and gmelinol. Phytochemical screening of the Gmelina arborea reveals the presence of carbohydrates, saponins, tannins, anthraquinones and cardiac glycosides. The presence of these bioactive compounds in plants is linked to biological activity.3 It is traditionally used as diuretic, tonic, aphrodisiac, alternative astringent to the bowels, promote growth of hairs, useful in treatment of anemia, leprosy, ulcers and vaginal discharge, alopecia, anemia, etc.4 Crude extracts of the leave and stem bark of the plant inhibited the growth of recalcitrant pathogenic bacteria. Alcoholic and water extracts of leaves of Gmelina arborea Roxb have been reported to show antihelmintic activity. Reports have shown that the plant can be used as source for newer antibiotic substances for the possible control of dysentery, diarrhea, typhoid fever and wound infections. Also methanolic extracts of stem bark of plant have shown antioxidant activity. Immunomodulatory effects of roots of Gmelina arborea Linn. were also reported.5 Thus the plant presents a wide scope of research after Pharmacognostic studies.
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