Quality evaluation of Curculiginis Rhizoma from different regions by multi-index component analysis combined with chemometrics
Objective To establish an HPLC multi-index component analysis-QAMS method,and to evaluate the quality of Curculiginis Rhizoma from different regions by chemometrics,weighted TOPSIS,and GRA fusion model.Methods The contents of curculigoside B,orcinol gentiobioside,orcinol glucoside,orcinol,2,6-dimethoxybenzoic acid,curculigoside,curlignan,stigmasterol,daucosterol,and β-sitosterol in Curculiginis Rhizoma were determined by HPLC-QAMS method,and the extract,total ash,and acid-insoluble ash were also detected.Data were analyzed by chemometrics and the weighted TOPSIS and GRA fusion model was established to evaluate the quality of Curculiginis Rhizoma.Results The content of various components in Curculiginis Rhizoma from different origins fluctuated slightly.Curculiginis Rhizoma were divided into 3 groups.Orcinol glucoside,curculigoside,curculigoside B,orcinol gentiobioside,curlignan and β-sitosterol could be used as quality differential factors for different origins of Curculiginis Rhizoma.There were significant differences in the quality of Curculiginis Rhizoma from different regions,among which sample S14 had the best quality.Conclusion The established method is simple with short measurement time,which is conducive to promotion and can comprehensively evaluate the quality of Curculiginis Rhizoma.
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