Comparison of content of total ginsenoside and ginsenoside Rb_1 in Panax quinquefolius from different origins / 中草药

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