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[Objective]To perform primary elemental speciation analysis on Ephedra sinica Stapf,Cinnamomum cassia Presl and their classical herbal pair Ephedra sinica Stapf Soup. [Methods]Employing flame atomic absorption spectroscopy( FAAS),the contents of six trace elements Ca,Cr,Fe,Mg,Mn,Zn in Ephedra sinica Stapf,Cinnamomum cassia Presl and their herbal pair were measured. [Results] Ca ranked the first place in the contents of trace elements tested in both Ephedra sinica Stapf and Cinnamomum cassia Presl,followed by Mg and Fe. The element with the highest extraction efficiency was Mg,reaching 64. 74% and 58. 36% in Ephedra sinica Stapf and Cinnamomum cassia Presl respectively and in their pair lying between two single herbs. [Conclusions] This study provided reference on further exploring the relationship between trace element composition and pharmacological effects.
[Objective] To perform primary elemental speciation analysis on Ephedra sinica Stapf, Cinnamomum cassia Presl and their classical herbal pair Ephedra sinica Stapf Soup. [Methods] Employing flame atomic absorption spectroscopy (FAAS), the contents of six trace elements Ca, Cr, Fe , Ca, Mn, Zn in Ephedra sinica Stapf, Cinnamomum cassia Presl and their herbal pair were measured. [Results] Ca ranked the first place in the contents of trace elements tested in both Ephedra sinica Stapf and Cinnamomum cassia Presl, followed by Mg and Fe. The element with the highest extraction efficiency was Mg, reaching 64. 74% and 58. 36% in Ephedra sinica Stapf and Cinnamomum cassia Presl respectively and in their pair lying between two single herbs. [Conclusions] This study provided reference on further exploring the relationship between trace element composition and pharmacological effects.