PREPARATION METHOD OF COFFEE GROUNDS EXTRACT HAVING HIGH WHITENING ACTIVITY BY SUPERCRITICAL FLUID EXTRACTION

摘要

The present invention relates to a manufacturing method of a coffee waste extract, comprising a step of hot water extracting the roasted coffee beans and a step of supercritical extracting the coffee waste remained after the hot water extraction, and to a manufacturing method of an extract with excellent whitening activity by supercritical extracting a carbon dioxide single solvent using the coffee waste, and representing properties of melanin synthesis inhibition and tyrosinase activity inhibition at the same time.