Abstract: The contents of 6 secondary metabolism such as tannin,alkaloid,saponin,lignin,chlorogenic acid and flavonoids in different organs of Sargentodoxa cuneata from different producing areas were determined and compared.The results showed that there were certain differences among the contents of 6 secondary metabolism in different organs of S. cuneata.The total content of 6 secondary metabolism was the highest in the leafblades,and that in stem was the second while that in root was the lowest.The content of lignin in stem and root was relatively higher than that in leafblades，while the contents of other 5 secondary metabolism in the leafblades were the highest (the difference is significant).There were also significant differences among the contents of 6 secondary metabolism in S. cuneata from different producing areas.Stepwise regression analysis and path analysis indicated that the contents of 6 secondary metabolism were nearly correlated with the soil ecological factors.Through systematic cluster,it was concluded that the contents of secondary metabolism were higher in the leaves from Baishanzu Mountain in Qinyuan County,Daleishan and Tiantaishan in Tiantai County.

Key words: Sargentodoxa cuneata, secondary metabolism, content