Abstract
The adulteration of plants and their materials used in herbal formulations poses a severe health concern. Hence, there is a need to establish a reliable, cost-effective, and robust molecular biomarker to distinguish among species and identify herbal plants and raw drugs from adulterants. The present study used suppressive subtractive hybridization and next-generation sequencing technology to identify novel DNA markers for Boerhavia diffusa L. and Tinospora cordifolia (Willd.) Miers. We identified two primer sets for B. diffusa and one for T. cordifolia. The DNA markers were validated in different accessions of B. diffusa and T. cordifolia and their common adulterants to determine the sensitivity and specificity of developed DNA markers. The designed DNA markers showed 100% sensitivity and specificity in detecting B. diffusa and T. cordifolia from their adulterants. The strategy described here can be extrapolated for developing DNA markers to authenticate other plant species.
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