Taste of medicinal plants: A potential tool in predicting ethnopharmacological activities?

Journal of Ethnopharmacology
Marilena Gilca, Alina Barbulescu

Abstract

Taste (rasa) is traditionally valued in Ayurveda as an important ethnopharmacological category, and reported to correlate with certain therapeutic activities (karman). The present paper endeavors to provide for the first time a type of mapping of ayurvedic ethnopharmacological space by the integration of medicinal plant taste-activity relationship (TA) data, originating from several traditional sources. The present TA database included 183 ayurvedic medicinal plants, with their traditional description of taste and ethnophamacological actions (EPA). 111 plants had a unique taste, and 72 plants a combination of several tastes, consisting of one principal taste, and other 2-4 secondary tastes. 121 ethnopharmacological actions were considered. Potential global or individual associations between rasa and karman were statistically analyzed. We found a statistically significant global correspondence between the predominant plant taste and the ethnopharmacological activities (Chi-square test, p<0.05), and the following individual associations (Fisher exact test, p<0.05, positive association if lnOR >0, negative association if lnOR <0): bitter- 11 positive associations (lnOR 0.940 to 3.544) and 8 negative associations (lnOR -0.997 to -3...Continue Reading

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