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  • Title: Comparison of the chromatographic fingerprint, multicomponent quantitation and antioxidant activity of Salvia miltiorrhiza Bge. between sweating and nonsweating.
    Author: Li G, Yu F, Wang Y, Yao L, Qiu Z, Wang T, Wang Z, Yang F, Peng D, Yu N, Chen W.
    Journal: Biomed Chromatogr; 2018 Jun; 32(6):e4203. PubMed ID: 29399849.
    Abstract:
    Salvia miltiorrhiza Bge. is a traditional Chinese medicine applied in the treatment of various diseases in clinical practice. In the course of its processing, S. miltiorrhiza Bge. is usually processed by sweating. This study employed 10-component contents determination coupled with high-performance liquid chromatography (HPLC) fingerprint and antioxidant activity to investigate the effect of sweating on S. miltiorrhiza Bge. so as to evaluate the quality of S. miltiorrhiza Bge. The HPLC method was performed using C18 and 0.05% phosphoric acid aqueous solution-acetonitrile with a gradient elution system. It was validated for linearity, precision, repeatability, stability and recovery. Similarity analysis, principal components analysis and antioxidant activity assays were used to compare sweated S. miltiorrhiza Bge. (SSM) and nonsweated S. miltiorrhiza Bge. (NSSM). SSM and NSSM showed good similarities in HPLC fingerprint (>0.9), but principal components analysis could classify the HPLC fingerprint and 10-component quantitation analysis. Meanwhile, the antioxidant activity of SSM was significantly higher than that of NSSM (p < 0.01). The results of this study indicated that sweating could alter the content of chemical constituents in S. miltiorrhiza Bge., and could also improve its antioxidant activity. In addition, the method not only affords a viable strategy for comparing SSM and NSSM and assessing the quality of S. miltiorrhiza Bge., but also provides a reference for other herbal medicine that suffers from sweating.
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