黄酮

Methods 9 kinds of macroporous resins with different polarities were used in the purification of the total flavonoids in Lignum Dalbergia odorifera.Results HPD100 macroporous resin was better in purification of the total flavonoids.

选择9种不同极性的大孔吸附树脂，以降香总黄酮为指标，通过静态吸附和解吸附试验优选树脂，动态试验考察其纯化降香总黄酮的最佳工艺条件。

Methods 9 kinds of macroporous resins with different polarities were used in the purification of the total flavonoids in Lignum Dalbergia odorifera.Results HPD?

选择9种不同极性的大孔吸附树脂，以降香总黄酮为指标，通过静态吸附和解吸附试验优选树脂，动态试验考察其纯化降香总黄酮的最佳工艺条件。

In this article,the author extracted flavonoid from locust bean to measure the effects of different concentration flavonoid extracts on tyrosinase activity by combining traditional alkaline extraction and acid precipitation and microwave method.

结合传统的碱提酸沉法和微波法对槐豆中的黄酮物进行深度提取，测定在不同浓度黄酮提取物对酪氨酸酶活性的影响。

In this article, the author extracted flavonoid from Hibiscus manihot L by alcohol reflux, and measure the effects of different concentration flavonoid extracts on tyrosinase activity using the Spectrophotometry.

利用乙醇回流提取法提取金花葵花中的总黄酮，采用分光光度法测定不同浓度金花葵总黄酮对酪氨酸酶活性的影响。

Result: It approved that flavonoid extracts of Hibiscus manihot L could inhibit tyrosinase activity, the inhibition gradually strengthened with the increase of the concentration and the growth of the time, and the highest inhibition rate was 79.5%.

结果：金花葵总黄酮对酪氨酸酶的活性存在一定抑制作用，且随浓度的增加和时间的延长，对酶活性的抑制作用显著增强，当总黄酮浓度为1.50mg/mL时，达到最高抑制率(79.5%)。

The method extracts a quantity to be evaluation index with total yellow ketone, on foundation of affirmatory mellow pH indicator, choice alcohol dosage , extraction time , extraction is inspect an element, use L9(34) of orthogonal trial law to decide alcohol extracts the optimal craft that ketone always fizzles out in old marabou grass.

方法以总黄酮提取量为评价指标，在确定醇浓度的基础上，选择乙醇用量、提取时间、提取温度为考察因素，采用正交试验法L9(34)确定醇提取老鹳草中总黄酮的最佳工艺。

By extracting the total flavonoids from Water Hyacinth with the two different methods of extraction and ultrasonic and taking Ethanol as menstruum the two extracting methods were compared;The activity of anti-oxygen of flavonoids extract was also studied.

以乙醇为溶剂，采用浸提法和超声波法提取凤眼莲总黄酮，通过单因素实验比较两种提取方法；并对黄酮提取物的抗氧化性进行了研究。

Because the accumulation of flavonoids was the foundation of producing mottling on seed coat, the composition and changes of content of flavonoids were related to resistance level to seed coat mottling in mature seed.

类黄酮在种皮上的积累为形成斑驳构成了物质基础。成熟种子种皮中类黄酮配基的组成和含量变化与抗种粒斑驳的抗性相关。

Regarding dietary intake of isoflavones, nonsignificant inverse associations were observed for both genistein and daidzein.

在异黄酮饮食摄入量方面，三羟基异黄酮和daidzein无显著翻转相关性。

Soy isoflavone exist major in bean. The bean is used to press oil except for foods. Soy isoflavones are washed away because of bean cake of extracted oil is used as fertilizer or feed.

大豆异黄酮主要存在大豆籽粒中，目前大豆除一部分用作食用外，大部分用作油料资源，榨油后的豆饼常用作肥料或饲料，存在于其中的大豆异黄酮就此流失。

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。