- 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
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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), R1 represents an oxygen atom, a hydroxyl group or a hydrogen atom. R2 represents a hydrogen atom, a hydroxyl group or an alkyl group. R3 represents a hydrogen atom or a hydroxyl group. R4 represents a hydrogen atom, a hydroxyl group or an alkoxy group. R5 represents a hydrogen atom, a hydroxyl group or an alkylene group.
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Page/Page column 17-20
(2008/06/13)
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- FLAVONOID AND OTHER CONSTITUENTS OF BAUHINIA MANCA
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Phytochemical analysis of the stem of Bauhinia manca yielded 63 compounds, among them six new natural products.Major constituents were found to be 3-O-galloylepicatechin, gallic acid, cinnamic acid, β-sitosterol and its β-D-glucoside.The two new flavans possess significant antifungal activity.Key Word Index-Bauhinia manca; Leguminosae; 5,5-dimethoxylariciresinol; 4-O-methylisoliquiritigenin; 4'-O-methylliquiritigenin; 7,3'-dimethoxy-4-hydroxyflavan; 3',4'-dihydroxy-7-methoxyflavan; 2,4'-dihydroxy-4-methoxydihydrochalcone; antimicrobial activity.
- Achenbach, Hans,Stoecker, Markus,Constenla, Manuel A.
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p. 1835 - 1842
(2007/10/02)
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