COFFEE SILVERSKIN EXTRACT, PREPARATION METHOD THEREFOR AND USE THEREOF

摘要

Disclosed is a method for preparing a coffee silverskin extract, comprising the following steps: (1) taking coffee silverskin, adding an extraction solvent, carrying out ultrasonic extraction, then carrying out heating for extraction, and filtering same to obtain a crude extraction liquid; (2) concentrating the crude extraction liquid to obtain an extract; (3) loading the extract on macroporous adsorption resin, firstly eluting same with water, then eluting same with ethanol, and collecting an ethanol eluate; (4) concentrating the ethanol eluate and drying same to obtain the desired product. In the provided method for preparing a coffee silverskin extract provided, caffeine and chlorogenic acid can be effectively extracted. The obtained coffee silverskin extract has sun protection and after-sun repair effects in cosmetic use.