黄酮

OBJECTIVE Synthesize flavone and flavonone ,and test their inhibition activity towards aldose reductase.

目的对采用化学方法合成的黄酮及二氢黄酮母体对醛糖还原酶的抑制活性进行测试。

Soy Isoflavone- one of the members of the bioflavonoid family of plant compounds, similar to the hormone estrogen in molecular structure, has the bi-directional alleviative action on estrogen in combination with the estrogen acceptor in the female body.

大豆异黄酮—是生物黄酮的一种，它与雌激素的分子结构非常相似，能够与女性体内的雌激素受体结合，对雌激素起到双向调节的作用。

The diferential thermal analysis test show that soy-isoflavone is dispered in pvpk30 in amorphism.

大豆异黄酮固体分散体的差示热扫描分析结果显示大豆异黄酮以无定型状态分散在pvpk30中。

The effects of the ratio of water and the sample, extracting temperature, extracting time, and the sample particle size on water-soluble active ingredients of Ampelopsis grossedentata were investigated with single factor and orthogonal experiments as a measure of total flavones and water extraction ratio.

以水溶性活性成分总黄酮和水浸提率作为衡量浸提效果的评价指标，分别采用单因素和正交实验L9(34)确定了茶水比、浸提温度、浸提时间和样叶粒度对显齿蛇葡萄总黄酮和水浸提率的影响，得出了影响的主次顺序为茶水比、浸提温度、样叶粒度和浸提时间。

Chemical research indicated that the main chemical constituents of Aquilegia is C- glycosylflavones and oxoaporphine alkaloids, which are the characteristic chemical constituents, especially, the content of C-glycosylflavones is very high in this genus.

通过对耧斗菜属植物的化学研究表明，黄酮碳甙和氧化阿朴菲类生物碱是该属的特征性成分；其中尤以黄酮碳甙含量较高，为主要成分。

Flavonoids are abundant, including apigenin, galangin, kaempferol, luteolin, pinocembrin, pinostrobin and quercitin.

类黄酮十分丰富，包括芹黄素，高良姜精，山奈酚，毛地黄黄酮等。

Phenolics detected in C. incanus L. bee pollen belong to flavonol, flavanols (quercetin, kaempferol, galangin, and isorhamnetin), flavones and phenylpropanoids.

酚类物质检测长梅花湖蜂花粉属于黄酮，黄烷醇（槲皮素，山奈酚，高良姜素和异鼠），黄酮和苯丙。

It was investigated how to increase the yield and purity of tannin, flavone and oligoprocyanidms from the root and stalk of sanguisorba, and the stability of polyphenols from sanguisorba was studied, too. The chemical constitutes of sanguisorba were analyzed, the conditions on extracting tannin, flavone and oligoprocyanidins from sanguisorba by general lixiviating process and ultrasonic wave were optimize. The flavone and oligoprocyanidins were separated from sanguisorba and purified. The stability of polyphenol from sanguisorba was studied and the chemical structure of the products was analyzed.

本论文以地榆根茎为原料，对如何提高其主要活性成分鞣质、黄酮类物质以及低聚原花青素得率和纯度以及地榆多酚的稳定性进行了探讨；主要分析了地榆中化学成分，常规浸提和超声波浸提对地榆根茎中鞣质、黄酮类以及低聚原花青素提取条件的优化，地榆根中黄酮类和低聚原花青素的分离纯化，地榆多酚稳定性能以及产品的初步化学结构分析。

Among them, 7 compounds were firstly found from Trollius chinensis and 4 compounds were firstly found from the genus of Trollius. Most isolated compounds were flavonoid, and few were organic acid. The quality standard studies were conducted by determining the total flavonoids in the flowers of Trollius chinensis at different flowering time and deciding the optimum harvesting time.

在对其质量标准的系统研究中，以总黄酮为指标，对不同花期的金莲花进行了含量测定，确定了最佳采收期；对不同产地10个样品中总黄酮、荭草苷等活性成分进行了含量比较，结果表明金莲花中黄酮类成分含量稳定，适于在制定质量标准时作为含量测定的指标成分；通过对不同产地10个样品指纹图谱的比较，确定了21个共有峰所代表的化合物为金莲花的药效物质基础。

Essential oils from the dried rhizomes of zingiber officinale were extracted by supercritical-CO2 fluid(SFE-CO2 ),the flavonoids of essential oils were further extracted by solvent.

利用超临界CO2流体从干姜中萃取出姜精油，经过有机溶剂对其萃取使生姜黄酮进一步分离，采用大孔树脂为层析柱填充料对生姜黄酮进行纯化，得到纯度为72.3%生姜黄酮。

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。