Fate of β-asarone in Ayurvedic Sodhana process of Vacha.
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BACKGROUND
Calamus (Acorus calamus Linn., Araceae) rhizome synonymously called sweet flag or Vacha is an aromatic herb indigenous to Central Asia and Eastern Europe. It has been used by the Ayurvedic practitioners since time immemorial for diseases ranging from weakness of memory to being used as an anthelminthic. Reports of its use have been found in books like Charak Samhita, Sushruta Samhita, etc., The major constituent of the oil of Vacha is a phenyl propanoid called β-asarone, which is reported to show carcinogenic properties. Due to the toxic effects of β-asarone, sodhana prakriya (detoxification process) has been prescribed for Vacha before its inclusion in the Ayurvedic medicines. Shodhanaprakriya (S. prakriya) of Vacha has been mentioned in the Ayurvedic texts.
OBJECTIVE
This study was undertaken with an aim to find out the mechanism involved in the S. prakriya of Vacha and also to suggest an alternate method for the conventional one.
METHODS
The conventional method was studied in the laboratory and equivalent alternate methods were designed based on the mechanism involved. Vacha samples were subjected to the conventional method as well as the alternate methods and the content of β-asarone in the different samples was monitored using Gas Chromatography technique.
RESULTS
Various alternate methods have been devised based on the mechanism involved in the S. prakriya which have given results comparable with those of the conventional method.
CONCLUSIONS
The scientific mechanism involved in the S. prakriya of Vacha has been established and alternate methods have been proposed.
