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Optimal ethanol refluxing extraction condition of flavonoids from Celery leaf was for 70%ethanol extraction solvent;1:10（w/v） feed liquid ratio,90℃extraction temperature,and 120 min extraction time.
芹菜叶黄酮乙醇回流提取最佳条件为:70%乙醇为提取溶剂,1:10（w/v）料液比,提取温度90℃,提取时间120min。
参考来源 - 芹菜黄酮类物质的分离纯化与药理功能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The extraction of total ginsenosides was performed by Refluxing ethanol. Then, the extracts were purified by AB-8 resin.
采用乙醇回流提取人参粗总皂甙，AB - 8大孔树脂吸附对其进行纯化。
RESULTS & CONCLUSION:The ethanol refluxing process is better than the ethanol ultrasonic process in the extraction of icariin.
结果与结论：乙醇回流法对淫羊藿苷的提取效果优于乙醇超声法；
Result: The order of factors which affected extracting was: refluxing temperature, extraction time, solvent volume.
结果：对提取率影响主次次序为回流温度、提取时间、溶剂倍量。
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