EXTRACTS FROM YOUNG BARLEY LEAVES INCLUDING POLYPHENOL COMPOUNDS AND THEIR MANUFACTURING METHOD

摘要

PURPOSE: A method for preparing extract derived from young barley leaf is provided to isolate novel ingredients and to be used as a functional material supply source. CONSTITUTION: A young barley leaf extract with an antioxidative activity is prepared using an organic solvent. The young barley leaf is collected in a length of 10-20 cm and is freeze-dried. The organic solvent is methanol or ethanol. The ethanol is 80-90 weight% ethanol solution. A composition for skin whitening or anti-aging contains the extract as an active ingredient. A health food for skin whitening or anti-aging contains the extract as an active ingredient. A solvent fraction of the extract contains one or more compounds selected from compound of chemical formulas 1-4.