杜仲

引种地与原产地杜仲叶次生代谢物含量比较

Comparison on Secondary Metabolites of Eucommia ulmoides Leaves in Original and Introducing Regions

杜仲叶中绿原酸类物质的提取研究

Study on the Extraction of Chlorogenic Acids from the Leaves of Eucommia Ulmoides

杜仲叶为提取杜仲绿原酸（CA）的原料。

Leaves were used to extract chlorogenic acid ( CA ) .

HPLC法测定杜仲及其相关制剂中松脂醇二葡萄糖苷的含量

Determination of pinoresinol diglucoside in cortex eucommiae and the preparations by HPLC

杜仲叶和树皮总RNA的快速提取法

Fast extraction of RNA in barks and leaves of Eucommia ulmoides Olive

超临界CO2萃取所得杜仲籽油的品质最优，是提取优质杜仲籽油的首选方法。

So the SC-CO2 extraction is better technique of extracting oil from eucommia seed .

方法：采用随机扩增多态DNA（RAPD）方法对杜仲的16个群体、260个个体进行遗传多样性分析。

Method : 260 samples of 20 populations were analyzed through radom amplified polymorphic DHA ( RAPD ) .

DAN荧光法测定杜仲翅果仁的微量硒

Fluorometric Determination of Minim Selenium in Eucommia Seed with DAN

p一环状糊精添加量为1.2%时，杜仲叶酶提取液中活性成分热稳定性嘴显增强，苦涩味等不良口味明显减轻。

At adding amount of 3 - cyclodextrin of 1.2 % , the hot stability of the function compositions is obviously strengthened , pained flavor obviously lightens .

杜仲叶提取物抑制MSCs的成脂肪分化作用。

Extracting solution from Eucommia ulmoides oliv MSCs inhibit the differentiation into fat .

RP-HPLC法测定杜仲壮骨胶囊中淫羊藿苷的含量

Determination of Icariin in Cortex Eucommia Zhuanggu Capsules by RP-HPLC

）、寄生于杜仲上的杜仲假尾孢（Ps.eucommiaeGuoetLiu，sp.nov.）

Eucommiae Guo et Liu , sp. nov. parasitic on Eucommia ulmoides Oliver ( Eucommiaceae ) and Ps.

结果杜仲叶醇提取物能提高DM合并去势大鼠的股骨线密度、面密度及其血清雌二醇含量。

Results Eucommia leaves can increase the density of femur and content of estradiol in blood serum .

杜仲叶提取物对MSCs的增殖及成骨分化的影响。

Extracting solution from Eucommia ulmoides oliv on the proliferation of MSCs and osteogenic differentiation .

杜仲叶提取物采用天然澄清剂絮凝、超滤膜分离及树脂纯化组合工艺富集纯化得到CA活性部位。

Instead of ethanol sedimentation , natural clarificant combing with ultra-filtration technology were performed to get CA extract from the leaves of EU .

在进行HPLC指纹图谱分析的同时建立杜仲药材有效成份含量测定的方法。

It analyzes the HPLC fingerprint , meanwhile , establishes the method of quantity testing of the effective components in eucommia ulmoides Oliv .

CO2浓度倍增对垂柳和杜仲叶绿体吸收光能和激发能分配的影响

Effects of doubled co_2 concentration on light energy absorption and excitation energy distribution between PS ⅱ and PS ⅰ in chloroplasts of weeping willow and Eucommia

扫描电镜加X射线能谱对川产杜仲的形态学及无机成分的鉴定研究

Studies on the Identification of Morphology and Inorganic Elements of Eucommia ulmoides Oliv . Produced in Sichuan hy Applying Scanning Electron Microscope with Energy Dispersive X-ray Analysis

实验中发现，在培养基中加入适量PEG可以显著提高杜仲胚乳愈伤组织分化频率。且耦合电容具有频率选择性。

It was found in the present study that redifferentiation frequency of callus in E. And it has frequency selectivity .

杜仲对去势大鼠骨细胞及骨髓间充质干细胞BMP-2表达的调节作用

Expression of BMP-2 Bone Cells of Ovariectomized Rat and MSCs after Treated by Eucommia Bark

目的观察中药杜仲及其单体化合物抗HIV作用，为寻找新的有效治疗艾滋病药物提供实验依据。

Objective To observe the anti-HIV effects of Eucommia ulmoides Oliv , so as to provide experimental basis for searching a new efficacious drug for treatment of AIDS .

目的：研究复方杜仲叶提取液对大鼠血清TC、TG、HDLc的调节作用。

Objective : To study the regulation action of compound Eucommiae ( leave ) Extract Solution on TC , TG and HDL C of rat serum .

杜仲（EucommiaulmoidesOliv）小孢子母细胞减数分裂属同时型。

The meiotic division of the microspore mother cell of Eucommia ulmoides Oliv belong to simultaneous type .

结果表明，黑曲霉BN易于分解杜仲叶，且经其发酵处理后胶得率可提高13.3%。

The results showed aspergillus niger BN was the optimal fungus , and the productive rate of gutta-perch increased 13.3 % .

本研究选取杜仲EucommiaulmoidesOliv.为研究材料，进行其内生真菌资源的研究工作。

Majority of the resources are to be tapped . In our study on Endophytic fungi from Eucommia ulmoides Oliv .

采用HPLC指纹图谱对杜仲黄酮和银杏黄酮进行了标示，并将杜仲黄酮、银杏黄酮和沙棘黄酮HPLC指纹图谱进行了比较，发现杜仲黄酮和银杏黄酮很相近；

Eucommia ulmoides and Gingkgo biloba flavonoids were identified by means of HPLC fingerprint analysis , and the HPLC fingerprint analysis of Eucommia ulmoides , Gingkgo biloba and seabuckthorn flavonoids were compared .

以金黄色葡萄球菌（Staphylococcusaureus）、枯草芽孢杆菌（Bacillussubtilis）、大肠杆菌（escherichiacoli）为测试菌种，对初选的20株杜仲内生真菌进行活菌及代谢产物活性筛选。

Antibacterial activity of 20 strains endophytic fungi and of their secondary metabolites was screened with Staphylococcus aureus , Bacillus subtilis and Escherichia coli as tested bateria .

结果：复方杜仲叶提取液对血清TC、TG均有明显降低，对血清HDLC有一定程度升高。

Results : Compound Eucommiae ( leave ) Extract Solution could obviously decrease TC and TG levels of serum , and raise HDL C level of serum to a certain extent .

杜仲（EucommiaulmoidesOliv.）是我国特有的名贵药用树种，也是优质的天然胶资源。

Eucommia ulmoides Oliv . is a famous Chinese endemic medicinal tree , and is also one high quality resource of natural rubber .

结果表明：用甲醇提取时，绿原酸提取率最高，超声助提杜仲叶中绿原酸的最佳溶剂条件是pH值为4.5的70%的甲醇水溶液。

Results indicated that the extraction efficiency obtained using methanol as solvent was the highest and the optimized solvent for the ultrasonically assisted extraction of chlorogenic acid was 70 % methanol water solution with a pH value of 4.5 .