双黄酮

SiO2-Im+·Cl-和SiO2·Im+·BF4-对双黄酮和双白瑞香素的总富集率最高分别可达66.7%、65.8%，但两者之间无显著性差异。

The highest total concentration rate of SiO2 · Im + · Cl - / BF4 - could still reach 66.7 % , 65.8 % for biflavones and daphnoretin respectively , but there was no significant difference between them .

HPLC法测定云南红豆杉枝叶中金松双黄酮的含量

Determination of Sciadopitysin in Branches and Leaves of Taxus yunnanensis by HPLC

RP-HPLC法测定竹柏叶中穗花双黄酮含量

Determination of amentoflavone in Podocarpus nagi leves by RP-HPLC

异银杏双黄酮对缺氧大鼠的氧自由基清除作用

Effect of Isoginkgetin on Scavenge of Oxygen Free Radical in Anoxic Rats

卷柏穗花杉双黄酮的舒张血管作用实验研究柏瑞-奥赛特气体分析器

Experiment study on vasodilative effects of amentoflavone ethyl acetate extract of selaginella tamariscina

结果表明：乙二醇二甲醚为提取剂，粗产品中双黄酮类成分较高；

The results showed that using solvent ethyl diol dimethyl ether , biflavone content in crude extractings is higher than that obtained by using other solvents .

二配位磷化合物双氢黄酮化合物的合成

Compounds of One-and Two-Coordinate Phosphorus

目的优化分光光度法测定橙皮苷含量的实验方法和桔实中双氢黄酮类橙皮苷的提取工艺。

ObjectiveTo study the determination method of hesperidin content by spectrophotometer and extraction technology of hesperidin from peels of citrus .

本文对满山红叶中双氢黄酮化合物杜鹃素的提取、层离与含量测定方法进行了研究。

This paper deals with the quantitative determination of Farrerol in MAN-SHANHONG leaves by TLG and subsequent reaction with NaOH reagent .

在此基础上，通过颜色反应和荧光鉴别，确定山稔子95%甲醇提取液中黄酮的种类主要为：双氢黄酮、查尔酮和黄酮醇等。

With color reaction and fluorescence identification , it was determined that the species of flavones have flavanones , chalcones and flavonols .

双水相萃取在黄酮类化合物分离分析中的应用

Application of Aqueous Two-phase Extraction to Separation and Analyse of Flavonoids