Pokka Corporation

Shigenori Kumazawa

Tsutomu Nakayama

Syuichi Fukumoto

Takaki Goto

Tsutomu Arakaki

Kayoko Shimoi

Each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-drug and a pharmaceutical of the present invention contains a new flavanone compound represented by the following structural formula: Alternatively, each of an antioxidant, an antimicrobial agent, an antitumor agent, a food and beverage product, cosmetics, a quasi-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.

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Shizuoka, Japan

Shigenori Kumazawa