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Method for obtaining conjugated estrogen mixtures from pregnant mare urine and use of a macroporous resin in the method
专利权人:
Xiaoli Gao;Jianmin Xiao
发明人:
Xiaoli Gao,Jianmin Xiao
申请号:
US11995917
公开号:
US08129363B2
申请日:
2006.12.05
申请国别(地区):
US
年份:
2012
代理人:
摘要:
The present invention relates to a method for obtaining a natural mixture of conjugated estrogens from urine of pragnant mares (PMU) and use of a macroporous adsorption resin in the method. The method for obtaining a natural mixture of conjugated estrogen from PMU includes the steps of pretreating raw PMU; adsorbing the natural mixture of conjugated estrogens contained in PMU with a macroporous adsorption resin; washing the macroporous adsorption resin laden with the mixture of conjugated estrogens with an alkaline aqueous solution; and eluting the washed adsorption resin with an eluting agent to obtain the mixture of conjugated estrogens. The macroporous adsorption resin is a styrene-divinylbenzene semipolar macroporous adsorption resin with ester group structure. The method according to the invention solves the problems of low adsorptive capacity and high cost existed in the conventional methods, and is suitable for large-scale production.
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