黄酮

There were no significant differences in contents of quercetin, isoquercitrin and kaempferol in the fronds, and also no significant differences in contents of rutin, quercetin, kaempferol and total flavonoids in the roots of the three plants studied under the same As treatment.

结果表明：在相同As浓度处理条件下，叶片中槲皮素、异槲皮甙和山奈酚的含量不存在显著差；根部芸香苷、槲皮素、山奈酚和总黄酮含量也不存在显著差异。

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。

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 。

Carotenoids in carrots and tomatoes, isothiocyanates in broccoli and cabbage, and flavonoids in soy, cocoa and red wine are just a few examples.

象胡萝卜和番茄中的胡萝卜素，花椰菜和洋白菜中的异硫氰酸酯，大豆，可可粉和红酒中的黄酮就是一些例子。

Carotenoids in carrots and tomatoes, isothiocyanates in broccoli and cabbage, and flavonoids in soy, cocoa and red wine are just a few examples.

例如，胡萝卜和番茄中的类胡萝卜素、椰菜和卷心菜中的硫氰酸盐、以及大豆、可可和红酒中的类黄酮。

Spectrophotometry was used to determine and extract the content of the flavanone from the leaves of Jasminum sambac Air.

目的为充分利用茉莉花叶植物资源，避免资源的浪费，探讨茉莉花叶总黄酮的提取及鉴别方法。

Methods The flavonoids were extracted by ethanol as the solvent from the leaves of Jasminum sambac Air with ultrasonic wave.

目的为充分利用茉莉花叶植物资源，避免资源的浪费，探讨茉莉花叶总黄酮的提取及鉴别方法。

The extraction and purification conditions of flavonoids from leaves of Jasminum nudiflorum Lindl. and their abilities of eliminating free radicals were researched.

研究迎春叶总黄酮的提取、分离、纯化条件及其体外清除自由基的能力。

ResultsBy this method the content of the total flavanone of the leaves of Jasminum sambac Air was C=0.2176 mg/ml and the rate of recovery was 102.8%.

目的为充分利用茉莉花叶植物资源，避免资源的浪费，探讨茉莉花叶总黄酮的提取及鉴别方法。

The research aimed to optimize the extraction technology of total flavone from Valeriana jatamansi Jones by ultrasonic method.

［目的］对超声法提取蜘蛛香中总黄酮的工艺进行优化。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。