Results The content of free and total anthraquinones increased uninterrupted.
结果大黄游离蒽醌含量不断升高；
Anthraquinones are also reported to have antiprotozoal and cytotoxic activities.
蒽醌也被认为具有抗原生动物的和细胞毒素的行为特征。
The correlation analysis was used to study the effect of altitude on the contents of anthraquinones.
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。
Objective to purify and prepare the total anthraquinones from Radix Et Rhizoma Rhei by macroporous resin.
目的研究大孔吸附树脂对大黄总蒽醌类物质的纯化和制备。
OBJECTIVE To study the content change of free and combined anthraquinones in the decocting process of Rhizoma Rhei.
目的：考察大黄粉末煎煮过程中游离蒽醌和结合蒽醌的含量变化。
OBJECTIVE To study the quantitative change of anthraquinones in Radix et Rhizoma Rhei due to different extract method.
结论：了解大黄在提取过程中活性成分的量变规律可为合理提取大黄生药提供有益的参考。
Aloe Vera contains anthraquinones, which due to their small size and low molecular weight, allows easy entry into cells.
芦荟精华素还含有蒽醌成分，而由于蒽醌的体积小，分子重量较轻，于是很容易进入细胞内部。
The main chemical components of Oplopanax elatus are saponins, volatile oil, flavonoids, anthraquinones, fatty acids etc.
东北刺人参中含有多种皂甙、挥发油、黄酮、蒽醌、脂肪酸等主要化学成分。
Objective To investigate the distribution of anthraquinones and stilbene in different organs and tissues of Polygonum multiflorum Thunb.
不同营养器官和组织中蒽醌类和茋类化合物的分布，为合理利用何首乌提供科学依据。
The results indicated that the commercial specification of rhubarb was not correlated to the contents of anthraquinones as well as the price.
结果表明，大黄药材的商品规格、等级与蒽醌类药效成分的含量相关性不强，与销售价格相关性也不明确；
Method: Comparing the contents of many kinds of anthraquinones in the crude drug, decoction and drug sediments of Radix et Rhizoma Rhei by HPLC.
方法：采用HPLC法对大黄煎煮前后生药、煎液及药渣中的各种蒽醌的含量进行监测。
Modern pharmacological studies have shown that it is rich in anthraquinones materials and more other composition which extend the application range.
现代药理研究证明，它富含大黄素等蒽醌类衍生物、豆甾醇类、脂肪酸、氨基酸以及多种微量元素，更是丰富了其应用范围。
Anthraquinones, a new anti-cancer drug, was introduced in detail, including its antiviral mechanisms, pharmacological properties and clinical effects.
本文是关于蒽醌类化合物抗肿瘤药物的研究，详细介绍了蒽醌类抗肿瘤的作用机制，临床疗效。
We state the main steps of the extraction separation and identification of anthraquinones in aloe and simply explain the gist of operation in this paper.
综述了从芦荟中提取、分离及鉴定蒽醌类化合物的主要步骤，并对操作要领作了简要提示。
METHODS the optimum extraction process was selected with the orthogonal design. The content of total anthraquinones was determined by uv-Spectrophotometry.
方法采用正交试验法进行优选，紫外分光光度法测定总蒽醌含量。
The results showed that the contents of total sugar, protein and free anthraquinones in leaves were the highest, and the following were those in root bark.
结果表明，叶片总糖、总蛋白和游离蒽醌含量最高，根皮次之；
METHODS Contents of anthraquinones in Radix et Rhizoma Rhei extracts were determined using HPLC after water reflux, deoxygenated water reflux or ethanol reflux.
方法：采用HPLC法对大黄水回流、隔氧水回流及乙醇回流后提取液中各种蒽醌类成分的含量进行监测。
The biological properties of anthraquinones include antioxidation, antiinflammatation, antibacterial, antiproliferation of tumor cells and induction of apoptosis.
蒽醌化合物具有抗氧化，抗炎，抗菌，抑制肿瘤细胞生长，诱导肿瘤细胞凋亡等生物学特性。
Objective: The parameters of absorption and purification of total anthraquinones in Radix et Rhizoma Rhei by D301 macroporous resin were investigated in this paper.
中文摘要：目的：研究d 301大孔树脂对大黄总蒽醌的吸附性能及其分离纯化的工艺参数。
Ahrysophanol and physcion are effective anthraquinones in rhubarb, but it is difficult to separate than other anthraquinones because of resemble structure and close characters.
大黄酚和大黄素甲醚是大黄中有功效的蒽醌类成份，由于两者结构相似，酸性与极性相近，往往难以分离。
OBJECTIVE to quantitatively analyze anthraquinones in Radix Polygoni Multiflori Praeparata by liquid-phase microextraction (LPME) coupled with high performance liquid chromatography.
目的中空纤维液相微萃取结合高效液相色谱法同时对制首乌中蒽醌类化合物作定量分析。
Objective: to optimize the water extracting technology for Pingzhi capsule and establish a ultraviolet spectrophotometric method for the determination of total anthraquinones in Pingzhi capsule.
目的：优选平脂胶囊最佳水提工艺，建立其总蒽醌含量的紫外分光光度测定方法。
Using 70% methanol, the Polygonum multiforum extract was concentrated by ultrasonic method . Then concentrated extract was leached with chloroform and separated into free and bound anthraquinones.
何首乌用70%甲醇超声提取浓缩后，用氯仿萃取分离出游离和结合型蒽醌，得到定量用试液。
Effects of ionization environment, including reaction ions type and amounts in APCI source, on ionization mode of anthraquinones were examined by changing the flow rate and mobile phase proportion.
通过改变流动相的流速和比例改变离子源中反应离子的种类和数量，研究离子化环境对蒽醌类化合物电离方式的影响。
Effects of ionization environment, including reaction ions type and amounts in APCI source, on ionization mode of anthraquinones were examined by changing the flow rate and mobile phase proportion.
通过改变流动相的流速和比例改变离子源中反应离子的种类和数量，研究离子化环境对蒽醌类化合物电离方式的影响。
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