本文报告了构叶总黄酮甙的提取分离方法。
The method of extracting and isolating flavonoids from Leaves of Broussonetia Papyrifera (L)Vent was reported.
用本法提得的构叶总黄酮甙含量约为0.22%。
银杏提取物中的有效成分主要为黄酮甙和萜类内酯。
The effective ingredients in the extract are flavones and terpenes.
目的探讨银杏黄酮甙对糖尿病大鼠肾脏保护作用机制。
Objective To investigate the role of Ginkgo Flavonol on the mechanism of protecting kidney in diabetic rats.
实验表明大多数水解单宁具有很高的抗氧化活性，而乙酰化的黄酮甙抗氧化活性很低。
Hydrolysable tannins showed much more effective antioxidant activity in DPPH assay while acetylated kaempferol glycosides displayed very low activity.
以低纯度商品大豆异黄酮为原料，利用酸水解法、超声波辅助酸水解法及酶水解法制备高纯度大豆异黄酮甙元产品。
The high purification soy isoflavone aglycone was extracted from low purification soy isoflavone product by acid hydrolysis, ultrasound-assisted acid hydrolysis and enzyme hydrolysis.
利用RP-HPLC法，采用保留时间定性，结合化学方法，证实罗汉果中含有黄酮甙元山奈酚，并首次发现含有黄酮甙元槲皮素，第一次总结出罗汉果鲜果中总黄酮含量的变化规律。
A kind of flavonol named quercetin was first found and by their retention times in RP-HPLC and chemical characters a known flavonol named kaempferol was proved to be contained in Luohanguo fruits.
结论染料木黄酮和大豆甙元是两种有效的重组人CK2全酶的抑制剂。
Conclusion Genistein and daidzein were two effective inhibitors of recombinant human protein kinase CK2 in vitro.
在黄豆甙元化学结构的基础上，合成了一系列异黄酮衍生物。
On the basis of the chemical structure of daidzein, a series of isoflavones have been synthesized.
以黄芩甙为标样，对云南松花粉中黄酮类化合物采用甲醇回流提取，用紫外分光光度法进行测定。
Using baicalin as the standard sample, the flavone substances in pollen of Yunnan pine were determined through methyl alcohol back flow extraction and ultraviolet spectrophotometer.
此外，它还含有丰富的黄酮类、挥发油以及橙皮甙等营养物质。
In addition, it is rich in flavonoids, volatile oil and hesperidin and other nutrients.
此外，它还含有丰富的黄酮类、挥发油以及橙皮甙等营养物质。
In addition, it is rich in flavonoids, volatile oil and hesperidin and other nutrients.
应用推荐