黄酮类

绞股蓝药材黄酮类化合物的HPLC指纹图谱研究

HPLC fingerprinting of flavones in Gynostemma pentaphyllum

蜂花粉的变色主要由于黄酮类物质和VC发生了氧化，荞麦蜂花粉的黄酮含量最高，达到10.2mg/g，氧化稳定性最好。

Colors changes were mostly due to the oxidation of pollen flavones and vitamin C. Buckwheat pollen had most flavonoids , up to 10.2 mg / g and had best oxidation stability .

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

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

HPLC法同时测定淫羊藿药材中的5个黄酮类成分

Simultaneous determination of five flavone constituents in Epimedium Brevicornum by HPLC

HPLC法同时测定高良姜中3种黄酮类成分的含量

HPLC simultaneous determination of 3 flavonoids in Alpinia officinarum Hance

鱼腥草超微粉黄酮类成分HPLC指纹图谱的研究

Study on HPLC Fingerprint of Flavonoids in Ultramicro-powders of Houttuynia Cordata Thunb

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

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 .

ESIMS／MS对广藿香中黄酮类成分分析

Analysis of Flavonoids Constituents from Patchouli with ESI MS ~ n

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.

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 .

笔者还讨论了表面活性剂SDS的浓度、缓冲液的pH值及运行电压对黄酮类有效成分迁移行为的影响。

The effects of pH. surfactant concentration and applied voltage on the migration behavior of the solutes were studied .

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 .

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 .

本文主要报道了具有生物活性的黄酮类希夫碱及其金属配合物的合成、表征及抗氧化活性和与DNA结合的性质研究。

In this paper , we have reported synthesis and characterization of flavonoids Schiff-base complexes , and studied their biological activities , such as antioxidative activity and DNA-binding .

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 .

目的：研究黄芩H2O2清除系统和黄酮类活性成分积累的相关性。

Objective : Study on correlation between H2O2 scavenging system and flavonoids accumulation of Scutellaria baicalensis .

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 .

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

通过正交试验，研究了影响葛根中黄酮类物质提取的4因素，即：乙醇浓度、温度、pH、浸提时间。

Through normal experiment , this paper studied four factors which influenced extraction of flavonoids in Puerariae . That is alcohol concentration , extracting temperature , pH value , extracting time .

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 .

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 .

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 .

目的：研究维吾尔民族药物AGL籽黄酮类化学成分。

Objective : To study the chemical constituents of AGL seed .

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 .

木蝴蝶中黄酮类化合物的HPLC-ESI-MS分析

Analysis of flavonoids in seeds of Oroxylum indicum by HPLC-ESI-MS

黄酮类化合物的C-3羟基与糖成苷后，清除DPPH自由基的活性明显下降。

The position of 3-hydroxy in flavonoids is polyglucosides , the activity of scavenge DPPH radical was significantly decreased .

弱极性大孔树脂AB-8用于野生菱角壳提取物中的黄酮类化合物的分离纯化。

A macroporous resin AB-8 was used to separate and purify the flavone compounds from the shell of wild water chestnut .

黄酮类化合物的3D-QSAR研究

3D-QSAR studies of flavones