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Bar-HRM for Authentication of Plant-Based Medicines: Evaluation of Three Medicinal Products Derived from Acanthaceae Species

Fig 2

rbcL nucleotide alignment and melting profiles of the three Acanthaceae species.

A) Variable sites detected in rbcL sequences of the three closely related species, Acanthus ebracteatus, Andrographis paniculata and Rhinacanthus nasatus. B) Normalized fluorescence plot of barcoding coupled high resolution melting (Bar-HRM). C) Reference-corrected normalized fluorescence plot of barcoding coupled high resolution melting (Bar-HRM).

Fig 2

doi: https://doi.org/10.1371/journal.pone.0128476.g002