Determination of Quercitrin in Fructus Amomi by HPLC;
HPLC法测定阳春砂仁中槲皮苷的含量
Effects of ultramicro-pulverization on the dissolution of hyperin and quercitrin from Houttuynia cordata Thunb;
超微粉碎对鱼腥草中金丝桃苷和槲皮苷溶出的影响
HPLC Determination of Quercitrin in Flos Rosae Rugosae and Flos Rosae Chinensis;
玫瑰花和月季花中槲皮苷含量的HPLC法测定
Methods:The content variation of quercitrin and quercetin were selected as quality index,the influencing factors such as processing technology of temperature,processing time,and weight of medical material were optimized by orthogonal design experiment.
方法:采用正交实验法,以槲皮素、槲皮苷含量变化为指标,考察炒炭温度、炒炭时间、炒炭药材量对侧柏炭炒炭工艺的影响。
Three flavonoids compounds: kaempferol *!, quercetin *", and isoquercitrin *# were isolated from the leaves of Cyclocarya paliurus (Batal.
采用溶剂萃取及多种色谱技术分离纯化 ,根据理化性质和光谱分析方法鉴定其结构 ,确定从青钱柳中分离得到山柰酚、槲皮素和异槲皮苷 3个黄酮单体化合物 ,并用反相高效液相色谱法对其含量进行了测定 ,测得各自在甲醇和水提取物中的含量 :山柰酚 0 。
RESULTS Six compounds were isolated from Duchesnea indica Focke and identified as apigenin-6-C-β-D-glucopyranoside(1),acacetin-7-O-α-L-rhamnopyranosyl(1-6)-β-D-glucopyranoside(2),kaempferol-3O-β-D-galactopyranoside(3),rutin(4),isoquercitrin(5) and hyperin(6).
结果从蛇莓中分离得到6个黄酮类化合物,结构鉴定为洋芹素-6-C-β-D-葡萄糖苷(1),金合欢素-7-O-α-L-鼠李糖基(1-6)--βD-葡萄糖苷(2),山奈素-3-O-β-D-半乳糖苷(3),芦丁(4),异槲皮苷(5)和金丝桃苷(6)。
A method for simultaneous determination of hyperosid,isoquercitrin and quercetin in Kendir Extracturm was developed,which using the high-performance liquid chromatography coupled with diode array detection.
采用HPLC法同时测定罗布麻浸膏粉中金丝桃苷、异槲皮苷、槲皮素的含量。
RESULTS Eleven compounds were obtained and identified as naringenin(1),naringenin-4′-O-β-pyranoglucose(2),isoquercetin(3),(+)catechin(4),(-)epicatechin(5),acetyl ursolic acid(6),glucose(7),ursolic acid(8),β-sitosterol(9),palmitic acid(10) and.
结果分离得到并鉴定了11个化合物,分别为柑桔素(naringenin,1)、柑桔素-4′-O-β-吡喃葡萄糖苷(naringenin-4′-O-β-pyranoglucose;choerospondin,2)、异槲皮苷(isoquercetin,3)、儿茶素[(+)catechin,4]、表儿茶素[(-)epicatechin,5)]、乙酰熊果酸(acetyeursolic acid,6)、葡萄糖(glucose,7)、熊果酸(ursolic acid,8)、β-谷甾醇(β-sitosterol,9)、棕榈酸(palmitic acid,10)和胡萝卜苷(daucosterol,11)。
Objective:To determine the contents of rutin,and isoquercetin in mulberry leaves by HPLC.
目的:建立HPLC法测定桑叶中芦丁、异槲皮苷含量的定量分析方法。
To select superior medicinal provenances of Cyclocarya paliurus,the geographic variation of flavonoid compounds (kaempferol,quercetin,and isoquercetin) in leaves of one-year-old seedlings of 11 provenances was studied.
结果表明:青钱柳叶中3种黄酮类化合物质量分数紧密相关,其中山奈酚质量分数高于槲皮素和异槲皮苷。
Determination of the Contents of Total Flavonoids,Isoquercitroside and Quercitroside in Amomum Villosum
阳春砂仁中总黄酮、异槲皮苷和槲皮苷含量测定研究
Determination of Quercitrin in Euphorbia Hirta L.by HPLC
HPLC测定飞扬草中槲皮苷的含量
Determination of Quercitrin in Hypericum japonicum Thunb.by HPLC
HPLC测定地耳草中槲皮苷的含量
Determination of Quercitroside and Quercetin in Different Preparations of Cacumen Platycladi by RP-HPLC
侧柏叶不同炮制品中槲皮苷与槲皮素的含量测定
Study on the pharmacokinetics of myricitrin,hyperin and quercitroside in the total flavonoids from Rhododendrom micranthum
照山白总黄酮中杨梅苷、金丝桃苷和槲皮苷在大鼠体内的药动学
The Study on the Effects of Quercitrin and Ursolic Acid on the Hypnic Endogenous Substance;
槲皮苷和熊果酸对睡眠内源性物质影响的研究
Determination of Quercitrin and Menthol in Shuangbaisan
双柏散中槲皮苷与薄荷脑的含量测定研究
Content Determination of Quercitrin in Herba Euphrbiae Hirtae by HPLC
高效液相色谱法测定飞扬草中槲皮苷的含量
Determination of Quercitrin in the Leaves of Lindera aggregata(Sims) Kosterm.by HPLC
高效液相色谱法测定乌药叶中槲皮苷的含量
Protective Effect of Quercitrin Against Ulcerative Colitis in Rat
槲皮苷防治溃疡性结肠炎的药效学研究
Simultaneous determination of the contents of protocatechuic acid,rutin,hyperoside and quercitrin in Bidens parviflora Willd.by RP-HPLC
RP-HPLC法测定小花鬼针草中原儿茶酸、芦丁、金丝桃苷和槲皮苷的含量
Studies on Effect of β-cyclodextrin and Its Derivatives Complexation on Physicochemical Properties of Isoquercitrin
β-环糊精及其衍生物对异槲皮苷的包合作用研究
Determination of quercitrin in Polygonum capitatum and Relinqing granules by HPLC
HPLC法测定头花蓼及制剂热淋清颗粒中槲皮苷的含量
Determination of Gallic Acid and Quercitrin in Polygonum capitatum by HPLC
高效液相色谱法测定头花蓼中没食子酸与槲皮苷的含量
Structure-effect Relationship of Anti-free Radical Effects of Quercetin and Its Monoglycoside Isoquercetin and Diglycoside Rutin;
槲皮素及其单糖苷异槲皮素，双糖苷芦丁抗自由基构效关系研究
Study on Extraction of Quercetin and Its Glycosides in Guava Leaf by Microemulsion
微乳法提取番石榴叶中槲皮素及其苷的研究
The Protective Effects of Baicalin and Quercetin on Iron Overload Induced Tissue Oxidative Injury;
黄芩苷、槲皮素抑制铁超载引起的组织氧化损伤及机理研究
Human Esophageal Cancer Eca-109 Cell Apoptosis Induced by 8-Br-cAMP and Quercetin;
8-溴环腺苷—磷酸和槲皮素诱导人食管癌Eca-109细胞凋亡的研究