银离子配位萃取银杏叶中多萜长链化合物的研究  

Complexing Extraction of Ginkgo Leave Polyprenols with Silver Iron

作　　者：杨克迪[1] 陈钧[2] 杨小明[3] 杨欢[2] 陈庶来[2] 

机构地区：[1]广西大学化学化工学院,南宁530004 [2]江苏大学生物与环境工程学院,镇江212013 [3]江苏大学化学化工学院,镇江212013

出　　处：《无机化学学报》2006年第2期243-247,共5页Chinese Journal of Inorganic Chemistry

基　　金：国家自然科学基金资助项目(No.2996018)

摘　　要：本文建立了银杏叶中多萜长链化合物Ag+配位萃取方法,构筑了含Ag+配位萃取体系。研究了萃取剂极性、萃取温度、Ag+浓度等因素对分配比D的影响,分析测定了银杏叶聚戊烯醇(PPs)与Ag+的配位萃取比m,确定了配位萃取条件及解离条件。试验结果表明,所建立的含Ag+配位萃取剂用于分离浓缩聚戊烯类化合物选择性好、效率高,萃取剂再生方法简便。A new method to concentrate Ginkgo-leave polyprenols （PPs） by complexing extraction with silver iron has been established. Effects of polarity of extraction solvents, extraction temperature and the silver iron concentration on distribution ratio D of PPs have been investigated. The value of complexing ratio m of PPs to silver iron has been determined to be ca 8. The conditions for complexing and for de-complexing reaction have been optimized. Test results showed the extraction method with silver iron possessed good selectivity and high efficiency, and the extraction solvents could be re-generated simply.

关 键 词：配位萃取 银离子 多萜长链化合物 银杏叶 

分 类 号：O641.4[理学—物理化学]