中文摘要：目的：探讨超临界流体萃取牛蒡子中牛蒡子苷的可行性。
Objective: To study the feasibility of supercritical fluid extraction for arctiin from the fruits of Arctium lappa.
发酵产物经大孔吸附树脂、硅胶柱层析及重结晶等方法制备出牛蒡子苷元纯品，并采用核磁共振（NMR）、红外（IR）、质谱（MS）等方法对产物进行了鉴定。
The product of fermentation was separated with macroporous resins, and then purified by the silica-gel column chromatography and recrystallization. The pure product was assayed by NMR, IR and MS.
目的对七个不同产地牛蒡子中的牛蒡苷进行含量测定，做出质量评价。
Objective To evaluate the quality of the burdock fruit which produced in seven different places by assaying the content of arctiin in them.
目的对七个不同产地牛蒡子中的牛蒡苷进行含量测定，做出质量评价。
Objective To evaluate the quality of the burdock fruit which produced in seven different places by assaying the content of arctiin in them.
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