本文主要对槐花中总黄酮的提取以及总黄酮单体—芦丁和槲皮素的分离提纯进行了研究。
We mainly research on the flavone extraction of the Sophora japonica and the separation of rutin and quercetin in this study.
目的：对复方黄酮胶囊中的有效成分槲皮素进行含量测定。
OBJECTIVE To establish a method for determining the content of quercetin in compound flavone capsules.
利用RP-HPLC法，采用保留时间定性，结合化学方法，证实罗汉果中含有黄酮甙元山奈酚，并首次发现含有黄酮甙元槲皮素，第一次总结出罗汉果鲜果中总黄酮含量的变化规律。
A kind of flavonol named quercetin was first found and by their retention times in RP-HPLC and chemical characters a known flavonol named kaempferol was proved to be contained in Luohanguo fruits.
杜仲黄酮、银杏黄酮和沙棘黄酮三者均富含槲皮素。
The fact that quercetin is rich in Eucommia ulmoides, Gingkgo biloba and seabuckthorn flavonoids was found.
HPLC分析结果显示乙酸乙酯合并正丁醇部位主要成分为柚皮苷、野漆树苷和槲皮素等黄酮类化合物。
The results of HPLC analysis showed that the main components of EAE and BE were flavonoids, including naringin, rhoifolin and quercitin.
在高效液相色谱方法测定落叶松中二氢槲皮素含量的基础上，对测定植物提取液中总黄酮含量的三种分光光度法的准确性进行比较。
The determination accuracy of flavonoids in larch using three kinds of spectrophotometry methods was compared on the basis of determination of dihydroquercetin in larch using HPLC.
摘要 ：本试验测定云杉总黄酮及其二氢槲皮素的含量，研究其抗氧化活性，为后期云杉黄酮的进一步研究提供部分理论依据。
Abstract : The purpose of this study was to determine the total flavonoids and dihydroquercetin contents in Picea asperata Mast. , and to further investigate its antioxidant activity.
结果表明，芹菜中黄酮主要由毛地黄黄酮和芹菜素组成，槲皮素含量极少；
The results indicated that the flavonoids of celery mainly composed of luteolin and apigenin, very little quercetin was detected;
结果表明，芹菜中黄酮主要由毛地黄黄酮和芹菜素组成，槲皮素含量极少；
The results indicated that the flavonoids of celery mainly composed of luteolin and apigenin, very little quercetin was detected;
应用推荐