稀土元素对肉苁蓉细胞生长及苯乙醇苷类化合物产量的影响。
Effects of rare earth elements on the growth of Cistanche deserticola cells and the production of phenylethanoid glycosides.
作者信息
Ouyang Jie, Wang Xiaodong, Zhao Bing, Yuan Xiaofan, Wang Yuchun
机构信息
State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, P.O. Box 353, Beijing, 100080, China.
出版信息
J Biotechnol. 2003 Apr 24;102(2):129-34. doi: 10.1016/s0168-1656(03)00019-1.
The rare earth elements Nd, La, Ce at proper concentrations had positive effects on the cell growth of Cistanche deserticola and production of phenylethanoid glycosides (PeG). A mixture of rare earth elements (MRE, La(2)O(3):CeO(2):Pr(6)O(11):Sm(2)O(3)=255:175:3:1, mol/mol) showed the most remarkable effects. After 30 day's culture, 0.02 mmoll(-1) MRE gave the highest content (20.8%) and production (1.6 gl(-1)) of PeG, which were 104 and 167% higher than those obtained in control (without rare earth elements).
适当浓度的稀土元素钕（Nd）、镧（La）、铈（Ce）对肉苁蓉细胞生长和苯乙醇苷（PeG）的产生具有积极影响。稀土元素混合物（MRE，La₂O₃:CeO₂:Pr₆O₁₁:Sm₂O₃ = 255:175:3:1，摩尔/摩尔）显示出最显著的效果。培养30天后，0.02 mmol/L的MRE使PeG的含量最高（20.8%）且产量最高（1.6 g/L），分别比对照（无稀土元素）高出104%和167%。
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