ABSTRACT FLAVANONE COMPOUND AND USES THEREOFEach of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present inventioncontains a new flavanone compound represented by the following structural formula:[err]Alternatively, each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, aquasi-drug and a pharmaceutical of the present invention contains at least one flavanone compound selected from the group consisting of nymphaeol-A, nymphaeol-B, and nymphaeol-C. Fig.1