Analysis of naphtha in Semen Persicae,Flos carthami and its couplet medicines by GC-MS / 中成药

ABSTRACT

AIM: To discuss the GC analysis of naphtha of Semen Persicae,Flos carthami and its couplet medicine(Semen Persicae plus Flos carthami). METHODS: To determine the relative content of naphtha by vapour distill,Gas Chromatography-Mass Spectrometry and Chemometric Resolution Method and GC unitary area method. RESULTS: The obtained naphtha of Flos carthami consisted of 54 constitutes such as dodecanoic acid and n-Hexadecanoic acid.The obtained naphtha of Semen Persicas comprised 6 constitutes such as benzaldehyde.And the obtained naphtha of Semen Persicae plus Flos carthami possessed 40 coustitutes,such as dodecanoic acid,n-Hexadecanoic acid and benzaldehyde. CONCLUSION: The constitutes Semen Persicae plus Flos carthami are basical the linear addition of constitutes Semen Persicae and Flos carthami but 21 kinds of constitutes in the absence of both Semen Persicae and Flos carthami.