<;P>;PROBLEM TO BE SOLVED: To provide a new compound having an antioxidant action and usable as medicines, cosmetics, foods, drinks and degradation prevention agents effective for the prevention and treatment of various diseases hindering the health maintenance such as adult diseases and malignant rheumatoid arthritis and cosmetic troubles e.g. lesion such as scald, acne, and pigmented spot. <;P>;SOLUTION: The compound is 2-acylphloroglucinol-4,6-di-C-&beta;-D-glucopyranoside expressed by chemical formula [1] (in the formula, R is an isopropyl group, isobutyl group or sec-butyl group) or its pharmacologically allowable salt. <;P>;COPYRIGHT: (C)2008,JPO&INPIT