1) quercitrin
[英]['kwə:sitrin] [美]['kwɝ,sɪtrɪn]
槲皮苷
1.
Determination of Quercitrin in Fructus Amomi by HPLC;
HPLC法测定阳春砂仁中槲皮苷的含量
2.
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
3.
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
3) quercetin
[英]['kwə:sitin] [美]['kwɚsɪtɪn]
槲皮苷
1.
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。
4) isoquercitrin
异槲皮苷
1.
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 。
2.
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)。
3.
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。
5) isoquercetin
异槲皮苷
1.
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)。
2.
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。
3.
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。
补充资料:槲皮苷
分子式:
CAS号:
性质:又称栎素,橡皮苷。属黄酮醇苷类化合物。黄色结晶。熔点176~179℃(由稀甲醇或乙醇中结晶)和167℃(由水中结晶)。其二水合物,熔点182~185℃。溶于碱性水溶液、乙醇,几乎不溶于冷水、乙醚,水解后生成槲皮素和鼠李糖。来源于七叶树科植物欧洲七叶树(Aesculus hippocastanum Linn.),三白草科植物蕺菜(Houttuynia cordata Thunb.)的花、叶、果,等。具有抗病毒及增强心肌收缩的作用,用作抗炎、利尿剂,也可用作纺织染料。
CAS号:
性质:又称栎素,橡皮苷。属黄酮醇苷类化合物。黄色结晶。熔点176~179℃(由稀甲醇或乙醇中结晶)和167℃(由水中结晶)。其二水合物,熔点182~185℃。溶于碱性水溶液、乙醇,几乎不溶于冷水、乙醚,水解后生成槲皮素和鼠李糖。来源于七叶树科植物欧洲七叶树(Aesculus hippocastanum Linn.),三白草科植物蕺菜(Houttuynia cordata Thunb.)的花、叶、果,等。具有抗病毒及增强心肌收缩的作用,用作抗炎、利尿剂,也可用作纺织染料。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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