目的测定不同生长期限和不同栽培方法的掌叶大黄中大黄素和大黄酚的含量，为大黄的GAP规范化种植提供参考依据。
OBJECTIVE to comparing the contents of emodin and chrysophanol in Rheum Palmatum L. of different plant periods and cultivated methods, to offer a scientific basis for GAP.
目的：测定舟车丸中大黄素和大黄酚含量。
Objective: To determine emodin and chrysophanol in Zhouchewan pills.
目的：建立神曲胃痛胶囊中大黄素和大黄酚含量测定方法。
OBJECTIVE: To determine the contents of Emodin and Chrysophanol in Shenqu Weitong capsules.
目的建立一清颗粒中大黄素与大黄酚含量测定的方法。
Objective To develop a method for determining contents of emodin and chrysophanol in Yiqing granules.
方法：以高效液相色谱法测定释放介质中大黄素、大黄酚的含量，并以此为指标，采用透析法研究退障凝胶与退障眼膏的体外释放特性。
Method: The emodin and chrysophanol in the releasing mediator were determined by HPLC, and the drug releasing characteristics of Tuizhang gel and Tuizhang oculentum were studied by bag filter method.
运用高效液相色谱法测定大黄素和大黄酚的含量。
The contents of emodin and chrysophanol were determined by HPLC.
结果：壳聚糖对大黄酚的含量基本无影响，并使制剂总固体含量减少30 .8% ；
Results: Chitosan has no effect on the content of chrysophanol, and solid compositions decreased by 30.8%.
方法：以药典法测定不同精制工艺样品的总固体含量，用高效液相色谱法测定有效成分大黄酚的含量。
Methods: the solid compositions of different samples were determined by the methods adopted in pharmacopeia, and the chrysophanol content was determined by HPLC.
目的从虎杖中提取并分离蒽醌类成分大黄酸、大黄素、大黄酚和大黄素甲醚等。
Objective To extract and separate the anthraquinone compounds, such as rhein, emodin, chrysophanol, physcion, etc. from Rhizoma Polygoni Cuspidati.
以大黄素、大黄酚为考察指标，用反相高效液相色谱法测定各指标含量。
Combined chrysophanol and combined emodin as the assessment index, HPLC was used to measure their contents.
目的：探讨大黄酚对小鼠缺氧及耐力的影响。
Objective: to study the effect of Chrysophanol on the hypoxia and tolerance of mice.
结果甲醇超声波提取大黄素和大黄酚的效率最高。
Results Ultrasonic with methanol was the best extracting method for both emodin and chrysophanol.
目的比较研究提取决明子大黄素和大黄酚的不同方法。
Objective To compare and research on various methods for extraction of emodin and chrysophanol from Semen Cassiae.
方法采用高效液相色谱法，测定其根中各个部位的大黄素和大黄酚的含量。
MethodsThe content of emodin and chrysophanol in the parts of root were determined by HPLC.
采用HPLC法测定方中大黄所含大黄素及大黄酚的含量。
Using HPLC to determine the content of emodin and chrysophanol.
前言：目的：研究如意金黄贴膏中大黄酚的释放情况。
Objective: To study the releasing rate of chrysophanol from Ruyi Jinhuang plaster.
方法甲醇回流方法提取大黄素与大黄酚，高效液相色谱方法测定大黄素与大黄酚含量。
MethodsThe emodin and chrysophanol were extracted by means of methanol-reflux, the contents of emodin and chrysophanol were determined by HPLC method.
天然大黄中大黄酚的含量较大，但其药效性比较单一，且活性远不及大黄酸强。
The content of Chrysophanol in natural Rhubarb is rich, but its effect is single, and activity is weaker than Rhein.
鉴于大黄酚具有大黄酸分子的基本母核，本文以植物中大黄酚为起始原料，经乙酰化、氧化和脱乙酰反应后制得大黄酸。
Seeing that Chrysophanol has the same basic parent structure with Rhein, Rhein was synthesized through acetylation, oxidation and deacetylation reaction taking Chrysophanol as raw material.
鉴于大黄酚具有大黄酸分子的基本母核，本文以植物中大黄酚为起始原料，经乙酰化、氧化和脱乙酰反应后制得大黄酸。
Seeing that Chrysophanol has the same basic parent structure with Rhein, Rhein was synthesized through acetylation, oxidation and deacetylation reaction taking Chrysophanol as raw material.
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