Study on Dynamic Change of Effective Components and Biomass in Different Parts of Coptis chinensis
Using the samples of three to fire yean Coptis chinensis as tested material, the contents of the jatrorrhizine, columbamine, epiberberine, coptisine, palmatine, berberine and biomass of different parts of Coptis chinensi in different growth periods, were detected by HPLC, and the dynamic accumulation regulation of its effective components and biomass were analyzed. The results showed that the biomass change of the footstalk, fibrous root and leaf of Coptit chinensis had regularity at certain extent. With the increasing of growth years, the rootstalk biomass of Coptis chinensis increased continuously, the rootstalk biomass of 5-year-old Coptit chinensis accounted for 54.06 % -65.28 % of total biomass. The change rule of fibrous root and leaf biomass was the same, the rate in total biomass reduced continually. The contents of six alkaloids and all alkaloids in leaf were less than that in rootstalk and fibrous root. The contents of all in leaf was 1.71 % -2.47 % , 4. 18 % -5.51 % in fibrous root,and 10.17 % -14.35 % in rootstalk. Except for gatrorrhizine, the contents of the other alkaloids in rootstalk were higher than that in fibrous root. Except for epiberberine, the contents of six alkaloids and all alkaloids in the leaf of 3-year-old Coptis chinensu were the highest, but higher in fibrous root and rootstalk of 4-year-old and 5-year-old Coptit chinensis.