查询词典 oleanolic acid

Results indicate that the optimum extraction conditions are as follows: ultrasonic power is 600W, temperature is 53℃, the ratio of liquid to solid is 8︰1, ultrasonic treating time is 70min, reflux extraction time is 120min, the extraction rate of oleanolic acid is 3.000 mg/g; XDA-1 resin is favorable in purification of OA in Chaenomeles sinensis Koehne, the optimum purification conditions are found to be 0.794 mg/mL of OA concentration, the flow rate of adsorption is 0.5 mL/min; the desorption solvent is 90% ethanol, and the flow rate of elutant is 1.0 mL/min.

结果表明，超声波辅助提取最佳工艺条件为：超声功率600 W、提取温度53℃、液料比8：1、超声波提取70 min，回流提取120 min，齐墩果酸得率为3.000 mg/g；XDA-1型大孔树脂对齐墩果酸具有较好的吸附和解吸效果，最佳纯化工艺条件为上柱液浓度0.794 mg/mL，吸附流速0.5 mL/min；以90%浓度乙醇洗脱，洗脱流速1.0 mL/min，纯化后得提取物中齐墩果酸纯度可达26.55%。

In Chapter 1, eleven glycosides (six oleanolic acid saponins, five hederagenin glycosides) were isolated from Decaisnea fargesii Franch.

第一章从木通科猫儿屎植物中分离，鉴定了十一个三萜糖甙化合物，其中六个为齐墩果酸甙，五个为常春藤甙。

ObjectiveTo establish an HPLC method for the determination of Oleanolic acid in Elsholtzia lychnitis Levl..

目的建立高效液相色谱法测定三叶香茶菜中齐墩果酸的含量。

Oleanolic acid, mangiferin and swertisin were important bioactive components in Gentianaceae.

采用高效液相色谱法，对青藏高原上9种龙胆科植物中的3种有效成分齐墩果酸、芒果甙和当药黄素进行了分离和分析。

In fuits, flavonoides showed higher content in young fruits stage and fruit mature period, coumarins and polyshaccharides in fruit developmemt time and mature period, oleanolic acid in young fruit stage and fruit overripen stage.

果实中黄酮含量高峰期出现在幼果期和果实成熟期、香豆素和多糖含量高峰期出现在座果期和果实成熟期，齐墩果酸含量高峰期出现在幼果期和果实过熟期。

In leaves, flavonoids showed higher ammount in fruits premature time and fruit overripen period, coumarins in fruit development stage and ripening stage, polyshaccharides in leaf development time and fruit mature period, oleanolic acid in fruit mature period

沙棘叶片中黄酮类成分含量高峰期出现在果实停止生长时期和过熟期，香豆素含量高峰期出现在座果期和果实成熟期，多糖在展叶期和果实成熟期出现含量高峰，齐墩果酸在果实成熟期出现含量高峰

ATA was found to exhibit more distinctive cytotoxicity toward human cervical squamous carcinoma HeLa cells than oleanolic acid, which suggested that the position of the carboxyl group significantly affects the cytotoxicity of oleanane-type pentacyclic triterpenes with a carboxyl group.

周晓华被发现展品更为鲜明的细胞毒性，对人体颈部鳞癌Hela细胞比齐墩果酸，这表明的立场与羧基显着影响细胞毒性的齐墩果烷型pentacyclic三萜类化合物与羧基。

OBJECTIVE To establish methods for determination of total saponins and oleanolic acid in Rhizoma Panacis Japonici.

目的 建立竹节参中总皂苷和齐墩果酸的含量测定方法。

High degree of esterolysis and glycosidic bond hydrolysis of oleanolic acid type ginsenosides all occurred during the red ginseng processing.

齐墩果酸型皂苷发生酯苷键和醚苷键的水解。

Using oleanolic acid as a standard substance, assured detective wavelength of TAS was 545 nm and standard curve equation was Y=-0.0294+0.0485X, the average recovery was 98.96% with RSD of 2.71%.

在单因子实验的基础上，采用L_9(3~4)正交实验确定了水溶液提取TAS的适宜工艺参数。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。