The contents of the individual neutral and acidic saponins in cultivated Ginseng was investigated by high performance liquid chromatographic analysis. In main roots, saponin contents increase with aging and once decrease in 5th years plant due to the marked development of weight of the roots. Then a significant increase was observed in 6th years plant. In case of lateral roots, a remarkable increase of the contents was observed in 3rd years plant and then the contents decrease in 5th and 6th years plant. The content of ginsenoide-Re is relatively higher in this part than others. In the rhizomes, the contents greatly increase between 2nd and 3rd years plant. It is noteworthy that the content of ginsenoside-Ro, the glucuronide saponin of oleanolic acid, is significantly higher in the rhizomes than in the other parts.
