查询词典 quercetin

The results of HPLC tests indicated that Bt toxin in Bt transgenic cotton had not obviously affected the contents of flavonoids (mainly rutin and isoquercitrin and a few quercetin ),contradictively ,the result of combined dosage test in vitro showed that that rutin had significantly enhanced the suppression of Bt-ICP on the cotton bollworm larvae., in addition to the

采用高效液相色谱法测定转Bt基因棉花主要抗虫黄酮类化合物的的变化，结果表明外源Bt杀虫蛋白表达不会对棉花自身原有的主要抗虫黄酮类物质（包括芸香苷、异槲皮苷和含量较少的槲皮素）产生不利的影响，因此可以将Bt杀虫蛋白基因转入抗虫黄酮类物质中国农业科学院博士学位论文含量高的棉花品系。

ObjectiveTo develop a method for determination of the content of quercetin in Crataegus sanguinea by HPLC.

目的建立高效液相法测定山楂中槲皮素含量的方法。

There were also different components came into being, such as dodecanal, 2-methyl-1-Hexadecanol, Oleic acid eicosyl ester, 9-Octadecenoic acid-phenylmethyl ester, and 7,3',4'-trimethoxy quercetin in each kinds of concentration, and 1-tetradecanol, 1,5,5-trimethyl-6-acetomethyl-Cyclohexen, 2,6-bis(1,1-dimethylethyl)-4-methyl-phenol , 14-á-H-pregna,-5,6,7,7a-tetrahydro-4,4,7a-trimethyl-2(4H)-Benzofuranone, and heneicosane determined in 4 different treatments.

可见，添加蜜糖对黄棪毛茶的香气组分的种类有很大的影响。

Result The 7 compounds of Illicium wardii A. C. Smith fruits were β-sitosterol, daucosterol, ursolic acid, 4, 12-Di-O-methylillicinone C, 11-Epi-illicinone E, quercetin and shikimic acid.

结果］贡山八角果实中的7个化合物是β-谷甾醇、胡萝卜苷、乌索酸、4， 12-Di-O-methylillicinone C、11-Epi-illicinone E、槲皮素、莽草酸。

The method was successfully applied to separate and determine isoquercitrin, chlorogenic acid and quercetin in Inula britamica L.

将此方法应用于分离测定欧亚旋覆花中的异槲皮甙、绿原酸和槲皮素，取得良好结果。

This dry extract contains valuable herbal substances, including the flavonoids quercetin and isoquercitrin.

这宝贵的干草药提取物含有的物质，包括类黄酮槲皮素和

The contents of rutin, isoquercitrin and quercetin were the highest in petal, but lower in calyx, bract and cotton boll. Moreover, the tot...

不同组织不同生长期的主要抗虫黄酮类化合物含量有一定的差异，所起的抗虫作用也有所不同。

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。

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 。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。