查询词典 isoquercitrin

The results from statistical analysis of variance indicated that Bt toxin in Bt transgenic cotton had no negative effect on synthesis of flavonoids (mainly rutin, isoquercitrin and quercetin ).

显著性分析发现，外源Bt杀虫蛋白表达对棉花原有的芸香苷、槲皮素和异槲皮苷等抗虫黄酮类化合物不存在不利的影响。

The results showed that the flavonoid chemicals of resistance to pests mainly including rutin, isoquercitrin and quercetin could be detected and quantitatively analyzed by HPLC.

结果表明，棉花组织中主要抗虫黄酮类化合物(包括异槲皮苷、芸香苷和槲皮素等)能够用HPLC方法检测并进行定量；异槲皮苷、芸香苷和槲皮素的含量均以花瓣中最高，花萼、苞叶和棉铃中较少；棉花生长中后期顶端嫩叶中抗虫黄酮类化合物的含量明显高于苗期。

Objective to establish a method for simultaneous determination of rutin, hyperin, isoquercitrin, 4,5-O-dicaffeoyl quinic acid and isorhamnetin-3-O-glucoside in Herba Artemisiae Capillariae.

目的 建立同时测定茵陈中芦丁、金丝桃苷、异槲皮苷、4，5-O-二咖啡酰奎宁酸、异鼠李素－3-O-葡萄糖苷含量的方法，为茵陈药材的质量控制提供依据。

Through spectrographical identification, isoquercitrin prepared by this invention is ascertained that its structure is meletin-3-O- beta-D-glucopyranose, its purity is determined by purity angle which is less than purity threshold. Purity of this compound is above 99 percent through computation, corresponding to requirement of control article.

以本发明制备的罗布麻甲素经过光谱鉴定确证其结构为槲皮素-3-O-β-D-吡喃葡萄糖苷，其纯度经纯度角测定后，纯度角小于纯度阈值，经计算该化合物纯度为99％以上，符合对照品要求。

Results The linear response range was 0.9420-18.84mg L^(-1)(r=0.9995), 1.190-23.79 mg L^(-1)(r=0.9995), 1.107-22.14 mgL^(-1)(r=0.9994), 56.78-1.136×10^3 mgL^(-1)(r=0.9990) and 0.6219-12.44 mgL^(-1)(r=0.9998), respectively (n=5). The average recoveries (n=9) of rutin, hyperin, isoquercitrin, 4, 5-O-dicaffeoyl quinic acid and isorhamnetin-3-O-glucoside were 98.1%, 100.7%, 98.4%, 100.2% and 101.7%, respectively.

结果 芦丁、金丝桃苷、异槲皮苷、4，5-O-二咖啡酰奎宁酸、异鼠李素－3-O-葡萄糖苷质量浓度分别在0.942~18.84mgL^(-1)(r=0.9995)、1.190~23.79mgL^(-1)(r=0.9995)、1.107~22.14mgL^(-1)(r=0.9994)、56.78~1.136×10^3 mgL^(-1)(r=0.9990)、0.6219~12.44mgL^(-1)(r=0.9998)内与峰面积呈良好的线性关系(n=5)；方法回收率(n=9)分别为98.1%、100.7%、98.4%、100.2%、101.7%。

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 。

An ionic liquid (1-ethyl-3-methylimidazolium tetrafluoroborate, 1E-3MI-TFB) modified micellar electrokinetic capillary chromatographic method was developed to separate and determine isoquercitrin, chlorogenic acid and quercetin.

建立了一种离子液体（1-乙基－3-甲基咪唑四氟硼酸盐，1E-3MI-TFB）修饰毛细管胶束电动色谱法分离测定异槲皮甙、绿原酸和槲皮素的方法。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。