摘要
目的筛选水曲柳总香豆素的最佳提取工艺。方法采用正交实验设计L9(34)考察浸渍时间,乙醇浓度,水浴温度,提取时间4个因素对提取工艺的影响。结果水曲柳中总香豆素含量的最佳工艺为水曲柳粗粉加25倍量95%乙醇,室温超声提取45 min。结论优选的超声提取条件工艺简单,成本低,节能省时,可增加水曲柳的利用率。
Objective To optimize the extracting conditions of coumarins from Fraxinus mandschurica Rupr. by orthogonal design. Methods According to orthogonal design L9 （3^4 ） ,the effect on the technology of the four following factors ： soaking time,ethanol concentration, water -bath temperature and ultrasound time were observed. Results The optimal extraction conditions were as follows： ultrasound extraction with 25 -fold 95% ethanol for 45minutes under room temperature. Conclusion The optimized uhra- sound condition is the best for the extraction of coumafins to increase the availability of Fraxinus mandschurica Rupr.
出处
《时珍国医国药》
CAS
CSCD
北大核心
2008年第1期3-4,共2页
Lishizhen Medicine and Materia Medica Research
基金
国家自然科学基金资助项目(No.30670212)
关键词
水曲柳
白蜡树精
正交实验
总香豆素
Fraxinus mandschurica Rupr
Fraxinol
Orthogonal test
Coumarins
