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[Studies on purification of polyprenol from Ginkgo biloba L. leaves]
Yonghui Li1, Shulan Su, Zhen Ouyang
1Department of Pharmaceutical Engineering of Jiangsu University, Zhenjiang 212013.
Objective:
To research the methods of purifying polyprenol from leaves of Ginkgo biloba L..
Methods:
The purity of polyprenol was determined by HPLC to select the optimal purifying conditions.
Results:
The optimal conditions were degreased by 160 times of petroleum ether-ethyl acetate (9:1) firstly, then through a silica gel column (100-140 mesh) and eluted with petroleum etherethyl acetate (19:1).
Conclusion:
The methods are feasible to purify polyprenol from leaves of Ginkgo biloba L. and could increase the purity of polyprenol obviously.
