你老是在孩子面前胡闹。
云前胡水提物对整体动物还具有平喘作用。
The extract of Peacedanumrubricaule in water also has the antiasthmatic effect on whole animals.
因此，我们才不敢肆无忌惮地在人前胡作非为。
目的：探讨前胡咳痰汤药理作用的黏膜免疫机制。
Objective:to explore mucosal immunological mechanism of Qianhu Ketan Tang(QKT).
本文对甘肃地产前胡的商品进行调查和原植物鉴定。
The article reports commodity investigation and origin-il plant identification of Qianhu in Gansu Province.
方法：采用HPLC法测定不同种前胡的总香豆素含量。
Method: To determine the content of total coumarines in the different species of Qian-Hu by HPLC.
报道了白花前胡和紫花前胡沸水提取液的三维荧光图谱。
Three-dimensional fluorescence spectra of Peucedanum Praeruptorum Dunn and Peucedanum Decursivum Maxim extracts drawn by boiling water were reported.
约书亚说：如果我不告诉他们迷路了，他们就会坐在这里，在我的房子面前胡闹。
Joshua: : If I don't tell them to get lost, they'll sit here in front of my house and clown around.
方法：采用RAPD技术对不同产地的商品药材前胡进行多态性分析，并构建聚类树型图。
Methods: Analyzing polymorphics of commercial medicinal materials "Qian-Hu" at different regions by RAPD technique and constructing a clustering tree diagram.
结论前胡香豆素组分可改善LVH大鼠心脏舒张功能，提高心肌顺应性，降低心肌胶原含量。
CONCLUSION PC has the effect of preventing and reversing LVH and improving cardiac function and myocardial compliance in renovascular hypertensive LVH rats.
目的：研究中药白花前胡的提取物PPD时野百合碱（MCT）所致大鼠肺动脉高压的影响。
OBJECTIVE:To study the action of the extract of Peucedanum Praeruptorum Dunnon(PPD) on monocrotaline(MCT)-induced pulmonary hypertension in rats.
方法：接文献方法和药典规定检测北沙参不同栽培品种的多糖、欧前胡素、浸出物等成分含量。
Methods: Polysaccharide, imperatorin and extractives in different varieties were detected according to document and Chinese Pharmacopeia.
目的介绍国内外中药白花前胡提取成分对心血管作用的研究进展，为研究和开发中草药提供参考。
Objective To introduce the advances in the studies of the cardiovascular protective effect of the extract of and to provide reference to developing and researching the Chinese herb medicine.
加入夹带剂乙醇后白花前胡甲素提取量增加，且超临界流体萃取法明显高于水煎煮和加热回流法。
As cosolvent alcohol was added, the amount of extraction of the praeruptorin A increased, and the amount of SFECO2 extraction was higher than those of decoction and heating reflux.
方法：采用正交实验设计法优选前胡中白花前胡甲素的最佳萃取条件，并与传统提取方法作比较。
The optimal extraction process was carried out on orthogonal design, and SFECO2 was compared with the traditional methods.
方法：采用水蒸气蒸馏法提取白花前胡饮片的挥发油，用GC - MS法对其化学成分进行鉴定。
Methods: The volatile oils were extracted by using steam distillation. The components were identified and separated with GC-MS.
本发明涉及一种紫花前胡素的生产方法，尤其是通过超声波提取从紫花前 胡中生产紫花前胡素的工艺方法。
The invention relates the preparing method of nodakenin, especially the method of producing nodakenin from light brown peucedanum root with ultra-audio wave.
方法：运用紫外分光光度法测定总香豆素含量；HPLC法测定水合氧化前胡素、欧前胡素、异欧前胡素的含量。
Methods:The total content of coumarins was determined by UV. The content of imperatorin, isoimperatorin and oxypeucedanin hydrate in different samples was carried out by HPLC.
去根皮北沙参和药材北沙参四种样品中的欧前胡素和异欧前胡素的含量。结果发现上述两种成分在根皮中含量最高，在药材中含量最低。
The result shows that the content of the said two constituents appears the highest in cortex, while the lowest in the original drug.
结果：气相色谱质谱联用技术共鉴定出15种香豆素类成分，主要成分氧化前胡素、欧前胡素、异欧前胡素的相对含量分别达到42 .40 % ，2 2 .14 %和12 .12 % ；
Result: Total 15 coumarins were separated, the relative contents of oxyimperatorin, imperatorin and isoimperatorin being up to 42.40%, 22.14% and 12.12% respectively.
结果：气相色谱质谱联用技术共鉴定出15种香豆素类成分，主要成分氧化前胡素、欧前胡素、异欧前胡素的相对含量分别达到42 .40 % ，2 2 .14 %和12 .12 % ；
Result: Total 15 coumarins were separated, the relative contents of oxyimperatorin, imperatorin and isoimperatorin being up to 42.40%, 22.14% and 12.12% respectively.
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