High-resolution-melting analysis (HRM) is a new technology derived from q PCR and is widely used in the study of polymorphism, genotyping, and single nucleotide mutation. Advantages of HRM include cost-effectiveness and time-efficiency over PCR-based genotyping. However, the application of HRM in the authentication of herbal products is still limited with few studies on the classification and identification of herbal products. In this study, Cimicifugae Rhizoma was used as an example to verify the stability and accuracy of HRM technique in identification of Chinese materia medica. HRM assay was established for identification based on ITS2 region of Cimicifugae Rhizomas and its adulterants(including 41 samples). Our findings showed that HRM allows not only the identification of adulteration but also the quantification of the most common admixture. This study is significant for better quality in the verification of the authenticity of herbal medicine. The method is promising for future identification of traditional Chinese medicinal materials.
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