AN ANTIOXIDANTAL USE OF SUBCRITICAL WATER EXTRACTS OF ONION PEELS

摘要

PURPOSE: Subcritical water extracts are provided to ensure excellent antioxidation effects, short extraction time, and minimized content of impurities and to enable environmental compatibility. CONSTITUTION: An antioxidant including subcritical water extracts of onion peels as an active ingredient is prepared by the steps of: preparing a sample by blending the sliced onion peel with diatomite in a ration of 1:2 or 1:3; mounting the prepared sample in the cell of 34 mL or 66 mL size; and adding distilled water to the cell and performing the extraction at 110 °C under 60 pressure for 15 minutes.