abstract |
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. |