黄酮类化合物

huánɡ tónɡ lèi huà hé wù
  • flavonoid compound
黄酮类化合物黄酮类化合物
  1. 目的:探讨P120ctn磷酸化与肝癌细胞恶性行为的关系,以及黄酮类化合物芒果甙对P120ctn磷酸化和肝癌细胞生物学行为的影响。

    Objective : To investigate the relationship of P120 ~ ctn phosphorylation and hepatocellular carcinoma cell malignant features , and to study the effects of a newly found flavonoid compound Mangiferin on P120 ~ ctn phosphorylation and cell biology .

  2. 蜂胶口服液的制备及其黄酮类化合物的测定

    The preparation of propolis oral liquid and measurement of total flavonoid compound

  3. B环取代基对黄酮类化合物缩合、关环的影响

    The Substituting Groups of B Ring Affecting the Condensation and Closing Ring

  4. N,N-二甲基-2-溴苯乙胺类衍生物和黄酮类化合物构效关系的研究

    Studies on the Relationship between Structures and Activities of N , N-dimethyl-2-bromo-2-phenylethylamine Derivatives and Flavone Derivatives

  5. HPLC法测定不同干燥方法的贯叶连翘中黄酮类化合物的含量

    Determination of flavonoids in Hypericum perforatum processed by different methods of drying by HPLC

  6. 甘草甙是甘草黄酮类化合物中重要的单体活性成分,具有抗氧化、抗HIV等多种药理作用。

    Liquiritin ( LQ ) is one of the most important components from Glycyrrhiza flavonoids .

  7. 方法采用HPLC法对不同来源沙苑子的主要有效成分黄酮类化合物进行指纹图谱研究。

    Methods The flavone of Astragalus complanatus collected from different places was analysed by HPLC .

  8. 黄酮类化合物对P糖蛋白外泵作用的抑制效果越来越引起人们的关注。

    Inhibitory effects of the flavonoid derivatives on P-glycoprotein ( P-gp ) - mediated drug efflux have attracted more and more interest of researchers .

  9. 采用二极管阵列检测(DAD)和质谱(MS)检测技术与HPLC联用分析洋葱中黄酮类化合物结构或可能结构。

    Analyse the structure of flavonoid compounds and possible structure by HPLC / D AD / MS.

  10. 黄酮类化合物对cAMP磷酸二酯酶抑制的动力学研究

    The Inhibition Kinetic Study of Flavonoids on cAMP-PDE

  11. 抗氧化剂如维生素C和维生素E,类胡萝卜素和黄酮类化合物能抑制氧化应激和炎症。

    Antioxidants such as vitamins C and E , carotenoids and flavonoids can inhibit oxidative stress and inflammation by scavenging the free radicals .

  12. 目的:研究12种天然黄酮类化合物清除羟自由基(OH)的构效关系。

    AIM : To study the relationship between the structure and hydroxyl radical ( OH ) - scavenging activity of twelve natural flavonoids .

  13. 同时对不同溶剂提取的黄酮类化合物做了薄层层析(TLC)的研究。

    Flavonoid extracted with different solvents were also studied by TLC ( thin-layer chromatography ) .

  14. 以75%乙醇为溶剂,索氏提取器提取,采用比色法和HPLC法研究了迎春花中黄酮类化合物的含量。

    The flavonoids in Jasminum nudiflorum Lindl . extracted by Soxhlet extractor with 75 % ethanol was studied by colorimetry and HPLC .

  15. 以黄酮类化合物为主要成分的荞麦多酚,具有促进SOD酶活性、降血脂等多种生理功效,是荞麦中最重要的保健功能因子。

    Buckwheat polyphenol with flavonoid that it could improve SOD activity and reduce bloody fat was the most important healthy factors .

  16. 抗UV-B辐射植物黄酮类化合物研究进展

    The Advance of Plant Flavonoids of Anti - UV - B Radiation Research

  17. 从蜂胶的功效成分&黄酮类化合物着手,测定了真品蜂胶、杨树胶和搀假蜂胶的HPLC指纹图谱。

    The HPLC fingerprints of flavonoids in the authentic propolis , poplar tree 's gum and adulterate propolis were determined in this paper .

  18. 黄酮类化合物(flavonoidCompoundS)是一类低分子天然植物成分,它表现出多种多样的药理活性,且毒副作用小。

    Flavonoid compounds are low molecular weight ingredients in natural plant , and have diverse pharmacological actions with low side effect .

  19. 麦胚含有营养保健油脂、维生素E、谷胱甘肽、二十八碳醇、黄酮类化合物和麦胚凝集素等多种保健功能因子。

    The wheat germ contain some factors of health function such as the wheat germ oil , vitamin E , glutathione , flavonoid and wheat germ agglutinate .

  20. 黄酮类化合物在Caco-2细胞模型中的吸收规律

    The Uptake Characteristics of Flavonoids in the Caco-2 Model System

  21. 9种黄酮类化合物在Caco-2细胞模型上的吸收均为被动扩散。

    The nine flavonoids in Caco-2 cell culture model are absorbed through passive diffusion .

  22. HPLC-DAD研究黄芪中黄酮类化合物色谱指纹图谱

    Study of Chromatographic Fingerprints of Flavonoids in Radix Astragali by HPLC-DAD Method

  23. 在提取银杏叶黄酮类化合物时,通过对提取方法、提取温度、提取时间、提取液pH值进行考察,确定了最佳提取工艺。

    In the process of flavonoids extraction from ginkgo biloba , after investigating the extracting method , the extracting temperature , extracting time , and pH value of extracts , the best extraction process is determined .

  24. 还介绍了黄酮类化合物与紫杉醇生物合成基因及植物P450基因研究现状。

    The current status of researches involving biosynthesis genes of flavonoids compounds and taxol , and the plant P450 genes were introduced .

  25. 结果表明:黄酮类化合物的最佳提取工艺为:乙醇浓度45%,提取时间为1h,料液比1:60,提取温度为60℃。

    The results showed that the optimum extracting conditions are 45 % ethanol with 1:60 solid liquid ratio and heated at 60 ℃ for an hour .

  26. 结果表明,在乙醇的浓度为90%、固液比为1:3、提取时间为2h的工艺条件下,乙醇提取麦胚黄酮类化合物的效果最佳。

    The result showed that the best process was concentration of alcohol being 90 % , three times dose , time being 2 hours .

  27. 这些可可饮料是使用好时的CacaoReserve制成的,他们使用一道程序,能够保留在自然界中发现的可可豆中的黄酮类化合物。

    The cocoa beverage was made with Hershey 's Cacao Reserve , which uses a process that helps retain the flavonoids naturally found in cocoa beans .

  28. 在用超临界CO2萃取蜂胶过程中,蜂胶得率往往只有8% ̄12%,且其中黄酮类化合物含量也只有5% ̄6%。

    In the process of supercritical CO2 extraction of propolis , the rate of propolis is only 8 % ~ 12 % , flavonoids content is also only 5 % ~ 6 % .

  29. 建立一种高效毛细管电泳(HPCE)法测定黄酮类化合物含量的方法。

    A method was developed for the determination of flavonoid compounds using high performance capillary electrophoresis ( HPCE ) .

  30. 而查尔酮合酶(ChalconeSynthase)是黄酮类化合物合成途径中第一个关键的限速酶,对黄酮含量的高低有着很大的影响。

    Chalcone synthase is a key rate-limiting enzyme in the biosynthesis of flavonoids , having a great impact on the level of flavonoid content .