掌叶大黄

掌叶大黄种子灌浆动态及其发芽特性研究

Studies on filling dynamic and germination characteristics of Rheum palmatum seeds

不同产地掌叶大黄HPLC指纹图谱的比较

Comparison of HPLC fingerprint chromatography of Rheum palmatum of different producing areas

稀土元素铕对掌叶大黄Ri质粒转化根生长及蒽醌类成分的影响

Effect of Eu ~ ( 3 + ) on Growth and Production of Anthraquinone in Ri Plasmid-Transformed Root and Normal Roots of Rheum palmatum

目的：通过均匀设计试验确定超临界二氧化碳流体萃取（SFE-CO2）掌叶大黄中蒽醌类成分的最佳提取工艺条件。

Objective : To use the uniformity design test for deciding the best extract technology conditions of pieplant anthraquinone .

9种活性物质在掌叶大黄组织培养系统中的生物转化

Biotransformation of 9 Active Constitutents by Various Culture Systems of Rheum palmatum

不同培养基对掌叶大黄毛状根克隆系质量的影响

Effect of various media on quality of hairy root clones of Rheum palmatum

掌叶大黄胚珠的发育及胼胝质的变化

Ovule development and callose deposition in Rheum palmatum

中文摘要：目的：研究掌叶大黄毛状根的诱导及蒽醌类化合物的生产。

Objective : To study the induction of hairy roots and anthraquinone production in Rheum palmatum .

相关分析结果表明，海拔高度对掌叶大黄蒽醌类成分含量有显著影响。

The correlation analysis was used to study the effect of altitude on the contents of anthraquinones .

结果及结论：青海野生掌叶大黄的分布与质量不及唐古特大黄；

Results and Conclusion : The distribution and quality of wild Tangute rhubarb is better than Palmate sorrel rhubarb .

目的研究培养基优化和毛状根克隆系对掌叶大黄毛状根生物量和蒽醌产量的影响。

Objective To study the effect of optimized media and clones on growth and anthraquinone yield in hairy root cultures of Rheum palmatum .

结论培养基中添加适宜浓度的稀土离子La3+对掌叶大黄单克隆毛状根的生物量积累和蒽醌类化合物的合成具有明显的促进作用。

Conclusion The growth of hairy root cultures of R. palmatum and their anthraquinone yield are greatly promoted by addition of La3 + to the medium .

掌叶大黄发根中各种游离蒽醌化合物含量普遍高于愈伤组织，但低于生药和悬浮培养细胞。

The determination result showed that the content of each free anthraquinone in hairy roots was generally higher than that in calli , but lower than that in suspension cells or wild rhubarb roots .

不同的气候因素和土壤因素对掌叶大黄的化学成分的代谢影响肯定是不同的，从而造就了大黄化学成分的显著差异。

According to the results of correlation analysis , we presume that different climate factors and soil factors has different effect on metabolic of the chemical composition of rhubarb , so as to make the the differences of rhubarb chemical composition .