Objective: To determine ginsenoside Rg1, Re, Rb1, Rc, Rb2, Rd from main root and root hair of red ginseng of different specifications.
Method: Ultrasonical extraction and reversed phase high performance liquid chromatography were applied.
Result: The total contents of six ginsenosides from main root 15 roots (percent 500 g), 20 roots, 30 roots and root hair are 1.21%, 1.46%, 1.54% and 8.16%, respectively.
Conclusion: The results showed that the bigger the volume of ginseng root, the less the content of ginsenoside.