【摘要】 目的　比较不同来源西洋参的质量。方法　采用比色法测定西洋参中人参总皂苷的含量 ,以 HPL C法测定人参皂苷 Rb1 的含量 ,综合此二项指标评价西洋参的质量。结果　 7种西洋参市售品中 ,加拿大西洋参中人参总皂苷及人参皂苷 Rb1 含量最高 ,北京怀柔较之略低。结论　 7种市售西洋参中所含人参总皂苷均大于 4 % ,人参皂苷Rb1 均大于 1% ,且总皂苷含量越高 ,Rb1 含量越高更多还原

【Abstract】 Object The quality of Panax quinquefolius L from different origins were assessed in accordance with the contents of total ginsenoside and ginsenoide Rb 1 of them Methods The contents of total ginsenoside were determined by UV spectrophotometry, and the contents of ginsenoside Rb 1 were determined by HPLC Results Among the seven commercially available samples, the sample from Canada gave the highest content of total ginsenoside and ginsenoside Rb 1, the second is the samples from Huairou, Beijing, China. Conclusion Contents of total ginsenoside of all the seven samples are more than 4%, while content’s of ginsenoside Rb 1 are more than 1%. And the more content of total ginsenoside is, the more content of ginsenoside Rb 1 is更多还原