REDUCED CHALCONE COMPOUND AND METHOD OF PRODUCING THE SAME, REDUCED PRODUCT OF FAT-SOLUBLE LICORICE ROOT EXTRACT AND METHOD OF PRODUCING THE SAME, CYCLOOXYGENASE-2 ACTIVITY INHIBITOR, WHITENING AGENT, ANTIINFLAMMATORY AGENT AND COSMETIC

摘要

It is intended to provide a reduced chalcone compound represented by the following structural formula (1), and a whitening agent, an antiinflammatory agent and a cosmetic containing this reduced chalcone compound. Structural formula (1) In the above structural formula (1), R<SUP>1</SUP> represents an oxygen atom, a hydroxyl group or a hydrogen atom. R<SUP>2</SUP> represents a hydrogen atom, a hydroxyl group or an alkyl group. R<SUP>3</SUP> represents a hydrogen atom or a hydroxyl group. R<SUP>4</SUP> represents a hydrogen atom, a hydroxyl group or an alkoxy group. R<SUP>5</SUP> represents a hydrogen atom, a hydroxyl group or an alkylene group.