说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 莲心碱醇提取液
1)  lotus alcoholic liquor
莲心碱醇提取液
2)  ethanol extracts from lotus germ
莲子心乙醇提取液
1.
The scavenging effects of ethanol extracts from lotus germ on oxygen radicals and their inhibitory effect on lipid peroxidation(LPO) were studied .
研究了莲子心乙醇提取液对氧自由基的清除作用及其对脂质过氧化反应(LPO)的抑制作用。
3)  Alkali extraction liquor
碱提取液
4)  ethanol-alkali extraction method
醇碱提取法
1.
This paper deals with the ethanol-alkali extraction method of astragalus polysaccharides,by which the effects of five extraction factors including pH of extraction solvent,the ratio of material to extraction(solvent,)(extraction time,) extraction temperature and ethanol concentration of extraction solvent on the rate of extraction were studied.
采用醇碱提取法提取黄芪多糖,通过单因素实验设计分别研究了提取溶剂pH值、料液比、提取时间、提取温度和提取溶剂乙醇浓度5种因素对黄芪多糖提取率的影响,利用紫外(可见)分光光度法和红外光谱法对醇碱提取法提取黄芪多糖的含量进行检测,计算黄芪多糖的提取率为19。
5)  Lotus Plumule P.E
莲子心提取物
6)  Andrographis paniculata extracts
穿心莲提取物
1.
In this paper,bacteriostatic activity of Andrographis paniculata extracts and the effect of temperature,pH value on its antibacterial activities were studied by cylinder plate method.
采用杯碟法对穿心莲提取物进行体外抗菌作用以及pH、温度因素对其抗菌活性的影响。
补充资料:莲心碱
        一种双苄基四氢异喹啉生物碱。其分子式为C37H42N2O6。它存在于睡莲科植物莲子的胚芽(称为莲心)中,莲心是一种常用的中草药。
  
  莲心碱为白色无定形粉末;熔点95~99℃,比旋光度(丙酮);易溶于氯仿、甲醇和乙醇,不溶于乙醚和水。它与无机酸或有机酸不易生成结晶盐。只有高氯酸盐可以得到结晶,其熔点212~214℃,(丙酮);易溶于丙酮、热的甲醇和乙醇,不溶于水和乙醚。
  
  1962~1966年中国化学家高怡生等确定了莲心碱的化学结构式。莲心碱有短暂的降压作用,由它制备的甲基季铵盐的降压作用强而持久。中医用莲心解热。
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条