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METHOD FOR REMOVING BENZO[a]PYRENE FROM LIPOSOLUBLE NATURAL EXTRACT
专利权人:
发明人:
Yunhe LIAN,Wei GAO,Yuanxin CHENG,Xiangyu YANG,Xiaodong AN,Zhipeng DUAN,Zhiming ZHANG
申请号:
US15777755
公开号:
US20180338513A1
申请日:
2016.11.01
申请国别(地区):
US
年份:
2018
代理人:
摘要:
Disclosed is a method for removing benzo[α]pyrene from a liposoluble natural extract. The method of the present invention comprises adding a suitable solvent to a crude natural extract product so as to obtain a mixed material heating the mixed material, stirring until uniform, cooling and layering, and then separating the upper layer from the lower layer so as to obtain a precipitate and a filtrate washing the precipitate with a small amount of a solvent so as to obtain a washed product and a washing solution removing the solvent from the washed product at a low temperature so as to obtain a finished product and directly recycling the filtrate and the washing solution as solvents. The present method achieves the purification of the crude natural extract product and the removal of benzo[α]pyrene in one step, and is a novel method which is simple, highly efficient, feasible and easy for industrial applications.
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