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OBJECTIVE：To establish HPLC fingerprints of different polar parts of Zhuang medicine Calonyction muricatum ， and to study its spectrum-effect relationship with analgesic and anti-inflammatory effects. METHODS ：The total part ，ethyl acetate part，n-butanol part and water part of C. muricatum were prepared. HPLC fingerprints of different polar parts were established by HPLC method combined with the Similarity Evaluation System of TCM Chromatogramtic Fingerprint （2012A），and the common peaks were identified. Using writhing times and ear swelling degree in mice as analgesic and anti-inflammatory indexes ，analgesic and anti-inflammatory activity of different polar parts of C. muricatum were investigated. The correlation of the common peaks of HPLC fingerprint with analgesic and anti-inflammatory indexes was analyzed by grey correlation analysis ，bivariate correlation analysis and partial least square （PLS） method. RESULTS ： There were 11 common peaks for the different polar parts of C. muricatum ，and 5 components were identified by reference comparison，i.e. neochlorogenic acid （peak 3），chlorogenic acid （peak 5）， cryptochlorogenic acid （peak 6）， isochlorogenic acid A （peak 10），isochlorogenic acid C （peak 11）. The grey correlation analysis showed that the correlation between all common peaks and analgesic and anti- inflammatory effects were greater than 0.6 （except the correlation between peak 6 and analgesic effects ），showing correlation relationship ；the correlation of peaks 3，7 and 10 with analgesic and anti-inflammatory effects were all greater than 0.8，which was highly related. Bivariate correlation analysis showed that the correlation of peak 1，3，4，7，9，10，11 with analgesic and anti-inflammatory effects were all greater than 0.6，showing correlation relationship. PLS method showed that peaks 1，3，4，7，9，10，11 contributed greatly to playing an analgesic and anti-inflammatory role. CONCLUSIONS ：HPLC fingerprints of different polar parts of C. muricatum is established and five common peak components were identified. Neochlorogenic acid ，isochlorogenic acid A ，isochlorogenic acid C and chemical components represented by peaks 1，4，7，9 may be the pharmacodynamic substances of C. muricatum to exert analgesic and anti-inflammatory effects.
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Plants of the genus Salix L. are abundant in resources, consisting more than 520 species throughout the world. The bark, branches, leaves, and flowers of different Salix species are used in folk medicines with a long history. There are several kinds of chemical components in the Salix plants, such as flavonoids, salicylic acid and its derivatives, phenylpropanoids, terpenoids, anthraquinones and steroids, which have the pharmacological activities of anti-tumor, analgesic, anti-inflammatory, anti-oxidant, hypoglycemic, regulating the nervous system, promoting the lipid dissolution, etc. In the present paper, we summarize the research reports related with plants of the genus Salix from the databases of CNKI and PubMed from 2008 to 2018, and review the research progress of chemical components and pharmacological effects to provide references for the in-depth studies of medicinal active ingredients and their action mechanism on this genus, hoping to promote the further rational development and utilization of the Salix plants.
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Objective: To analyze the change regulation of chemical constituent groups in processed aconite during decocting, and also to discuss the scientificity connotation of decoction of processed aconite. Methods: An ultra-high performance liquid chromatography coupled with time of flight mass spectrometry (UHPLC-Q-TOF/MS) was carried out to acquire the chemical constituents information in samples with different decoction time. High precise mass data were processed by multivariate statistical analysis techniques to discover and identify the constituents with significant difference. Furthermore, the content change, toxicity, and activity of these constituents were also discussed. Results: Fifteen chemical markers with significant difference were screened by partial least squares discriminant analysis (PLS-DA) and t test. By analyzing the change regulation of the different constituents during 4 h decocting process, we found that it mainly happened in the constituent dissolution and chemical transformation from monoester alkaloids to aconine alkaloids, which indicates the attenuation process is secondary. Conclusion: In terms of analgesic and anti-inflammatory effect, it suggests that 0.5 h of decoction would be fine, while in terms of cardiotonic effect, it needs the further systemic comparison for cardiac activity between monoester alkaloids and aconine alkaloids to be able to investigate the necessary and scientificity for long time decoction of the processed aconite.