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- Title: Supercritical CO2 Extraction of Free Anthraquinones from Rheum Palmatum L. 关键词:超临界流体萃取;大黄;游离蒽醌;夹带剂
- In comparison with those of 1,8-dihydric anthraquinones, the characteristic TG-DTA curves of the free anthraquinones (Rhein, Emodin, Aloe-emodin, Chrysophanol and Physcion) from Rheum were determined. 摘要以1,8-二羟基蒽醌为对照,利用热重-差热分析仪对从大黄中分离纯化的游离羟基蒽醌(大黄酸、大黄素、芦荟大黄素、大黄素甲醚和大黄酚)进行了测定,得到这些样品的热分析图谱。
- In comparison with those of 1,8-dihydric anthraquinones,the characteristic TG-DTA curves of the free anthraquinones(Rhein,Emodin,Aloe-emodin,Chrysophanol and Physcion) from Rheum were determined. 以1,8-二羟基蒽醌为对照,利用热重-差热分析仪对从大黄中分离纯化的游离羟基蒽醌(大黄酸、大黄素、芦荟大黄素、大黄素甲醚和大黄酚)进行了测定,得到这些样品的热分析图谱。
- Methods Contents of aconitine and free anthraquinone in WPD were determined by HPCE. 方法采用HPCE法测定了温脾汤中乌头碱及大黄游离蒽醌的含量。
- RESULTS:In the process of black bean sauce stewing,the content of free anthraquinone increased with processing time and t... 结论应规范何首乌饮片的炮制时间,使何首乌有效成分可控。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Xiao Chengqi-Tang had the strongest action, Dahuang was the most significant active factor.In chemical research, content of total and free anthraquinone were determined by HPLC. 其拆方研究表明,影响泻下作用的最显著因素为大黄,次显著因素为枳实。
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- Application of microwave technique to extraction of free anthraquinones in Rheum emodi 微波技术在大黄游离蒽醌浸提中的应用
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- Now that I am free, I can enjoy music for a while. 既然有空,我可以享受一下音乐。
- Keywords Chinese Rhubarb;decocting extract;combined anthraquinones;free anthraquinones; 关键词大黄;提取;结合蒽醌;游离蒽醌;
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- He closed the deal successfully and was home free. 买卖成交了,他松了一口气。
- He is free with his advice to his pupils. 他直言无隐地向学生提出忠告。
- He is given a free ticket to the exhibition. 有人给他一张免费参观展览的票。
- He was inclined to give them a free hand. 他倾向于放手让他们干。
- She's made free with my records during my absence. 我不在时她擅自用我的磁带。