Hyung Jun Lim;Sun Young Park;Han Kon Kim;Soon Ae An;Jin Young Lee;Eun Joo Kim;Chan Woo Lee;Jun Oh Kim;Sang Hun Han
发明人:
Hyung Jun Lim,Jin Young Lee,Sun Young Park,Soon Ae An,Chan Woo Lee,Eun Joo Kim,Jun Oh Kim,Sang Hun Han,Han Kon Kim
申请号：
US13704369
公开号：
US08722027B2
申请日:
2011.06.15
申请国别(地区):
US
年份:
2014
代理人:
摘要：
The present invention provides a method for preparing a Broussonetia kazinoki extract, comprising the following steps: solvent extracting Broussonetia kazinoki； isolating the Broussonetia kazinoki extract, extracted in the previous step； and crystallizing the Broussonetia kazinoki extract isolated in the previous step. It is possible to prepare a Broussonetia kazinoki extract having a remarkable skin whitening effect and excellent stability through the method for preparing a Broussonetia kazinoki extract.
