槲

Leaf secondary veins 7-10 on each side of midvein; branches of 2nd- or 3rd-year growth with grayish lamelliform waxy scalelike trichomes

叶次脉7-10在中脉两边各； 2或3 年发展具浅灰色的薄片形的腊制的鳞片状的毛状体的分枝 22 Lithocarpus cleistocarpus 包槲柯

We can supply monomers, such as Rutin,Baicalin,Amygdalin,Ursolic acid,limonin,?Glycyrrhizic acid, Chlorogenic acid, Paeoniflorin, Gardenoside, Paeonol, Apigenin, Naringin, Naringenin, Astragalus P.E., Soybean Isoflavones, Epimedium Extract and so on.

产品主要有单体（含量90%~98%：苦杏仁苷、柠檬苦素、熊果酸、芍药苷、栀子苷、丹皮酚、芦丁、槲皮素、黄芩苷、黄芩素、芹菜素、绿原酸、甘草酸、柚皮苷、柚皮素；标准提取物：山楂总黄酮、葛根总黄酮、黄芪多糖、枸杞多糖、大豆异黄酮等。

ObjectiveTo establish the method for the determination of both quercetin and lonicerin in Lonicera japonica and its leaf simultaneously.

目的建立金银花和金银花叶提取物中黄酮类物质槲皮素及木犀草素的含量测定方法。

The result of study showed that quercetin promotes the proliferation of melanocytes and synthesis of melania in the skin of guinea pigs.

槲皮素对棕黄色豚鼠背部皮肤有增色作用，具有促进黑素细胞增殖和黑素合成的功能。

Objective1 To study the effects of myricetin, quercetin and kaempferol on the activity of recombinant human phosphor-inositide 3-kinase (PI3K) p110β subunit.

目的：研究杨梅素、槲皮素和山萘黄素对重组人肌醇磷脂3-激酶(PI3K) p110β催化亚基的直接作用。

Results: Myricetin and quercetin other than kaempferol showed the inhibitory effects against p110β PI3K, and their IC50 was 2.93μmol/L and 9.91μmol/L, respectively.

结果：杨梅素和榭槲皮素对重组人PI3K p110β催化亚基有抑制作用，IC50分别为2.93μmol/L和9.91μmol/L，而山萘黄素对PI3K p110β催化亚基则无抑制作用。

In order to explore molecular mechanism and inhibitory effects of flavones and flavonols on human esophageal carcinoma cells, the inhibition of proliferation and the induction of G2/M cell cycle arrest in KYSE-510 cells and OE33 cells treated with three flavones and three flavonols (quercetin, kaempferol, myricetin) were analyzed by MTT array and flow cytometry.

为了探索它们对人食管癌细胞的抑制作用和分子机制，采用MTT法和流式细胞术，鉴定了3种黄酮(木犀草素、白杨素、芹菜素)和3种黄酮醇(槲皮素、山奈酚、杨梅素)对2株人食管癌细胞(鳞癌KYSE-510和腺癌OE33)的增殖抑制作用和G2/M周期停滞的诱导作用。

Inhibitory action of pentahydroxy flavone on the expression of capillary vascular cell adhesion molecule1 of cellular adhesion molecule in AGEsinduced mice.

槲皮酮对糖化终产物诱导的小鼠微血管内皮细胞血管细胞黏附分子-1表达的抑制作用。

The rate constants of the reactions of α-hydroxyl ethyl peroxyl radicalwith quercetin, ruitn, catechin and baicalin were determined through pulse radiolysisstudies to be 〓,〓,〓〓 and 〓, respectively.

用脉冲辐解的方法得到槲皮素、芦丁、儿茶素以及黄芩甙与α-羟乙基过氧自由基的反应速率常数分别为〓；3.4〓；〓和〓。

Quercetin was prepared by hydrolyzing rutin. Their antioxidant activities were tested using phosphomolybdate method, and compared with those of BHT and V.

采用磷钼酸盐法测定了不同质量浓度的粗提物、芦丁和槲皮素的抗氧化活性，并与BHT、V的抗氧化活性进行了比较。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。