黄酮

UV was applied to determine the concentration of total alkaloids and total flavones; Simultaneous determination of berberine, jatrorrhizine, palmatine, baicalin and geniposide by HPLC; The solid holdup and precipitation rate were calculated by the formula.

采用UV测定其中总生物碱、总黄酮的量， HPLC同时测定小檗碱、药根碱、巴马汀、黄芩苷、栀子苷的量；计算固含率，沉淀率。

Results showed that amounts of total flavonoid and juglone by ultrasonic method were both more than common method and reflux method.

超声波提取法浸提核桃楸得到的总黄酮和胡桃醌提取量高于常规提取法和索氏提取法。

Kaempferol and quercetin were 0.03 and 0.04 mg/g, respectively, while that for 5,7-dimethoxycoumarin was 0.14 mg/g.

而那为5，7-dimethoxycoumarin是0.14 mg/g，山奈醇和五羟黄酮分别为0.03和0.04 mg/g。

For flavonoides, which consist of more than forty glycosides, quercetin, kaempferol and isohamnetin are the main elements.

银杏叶中主要活性物质有两类：黄酮类化合物及萜内酯化合物。

Results showed a close relationship existed among the three flavonoid compounds with kaempferol content greater than quercetin and isoquercetin.

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。

Zhang said the flavonoids that appeared to be the most protective included catechin , found in strawberries and green and black teas; kaempferol , found in Brussels sprouts and apples; and quercetin , found in beans, onions and apples.

章启月说，黄酮类化合物似乎是最保护包括儿茶素，发现在草莓和绿色和红茶；山奈酚，发现在布鲁塞尔举行的豆芽和苹果；和槲皮素，发现在豆类，洋葱和苹果。

Objective: To observe the active ingredients of leonurus in myocardial ischemia induced by isoproterenol.

目的：探讨益母草生物碱和黄酮成分抗大鼠心肌缺血的药效学作用。

Results: The flavonoids contained in the Leonurus is about 14.1mg/g.

结果：测得黄酮的含量为14.1mg/g。

This experiment proved the best way for total flavones in leonurus hetreophyllus.??

本实验所用方法为鱼腥草总黄酮提取的最佳工艺条件。？？

This method is a purely physical process and has not any pollution.It is an ideal way to extract the flavones of Leonurus.

该方法采用全物理过程，无任何污染，是提取益母草黄酮类物质的有效途径。

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。