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Ancient Science of Life 2009 July ; 29 (1) :26-28
Comparative phytochemical analysis of Shorea robusta Gaertn (oleoresin) WSR to its seasonal collection

Abstract
The oleoresin of the Shorea robusta Gaertn is called as shala niryasa, rala, sarja rasa which has the chemical constituents such as nor-triterpene, dammarenolic acid, asiatic acid, dipterocarpol, triterpenic acid, tannic acid and phenolic content. These constituents are responsible for the properties such as, antibacterial, analgesic and wound healing effect. The medicinal property of the plant depends upon the season in which they are grown and collected. For this our ancient acharyas have given some indications of the seasons and time for collection of raw drugs. Hence following these indications the oleoresin was collected in two seasons as per reference of Acharya Charaka and Susrutha in Hemantha rutu (Dec-Jan) and Vasantha rutu (April-May) respectively. On subjecting to the analytical specification as per this study it was found that the oleoresin collected in Vasantha rutu has given better values of the tannin, resin, volatile matter, phenolic content which are responsible for the enhanced medicinal property of the drug. This is a preclinical work and further clinical study has to be done to prove efficacy of the seasonally collected samples.

DHARA ID: D000018 Pubmed ID: 22557341


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