| abstract |
The present invention provides a novel antioxidant component. A novel compound represented by the following general formula (1) is used as an antioxidant. Preferred examples of the compound represented by the general formula (1) include granthrin A, granthrin B and granthrin C. Such a compound can be obtained by extracting and purifying walnut kernels. It is preferable to include it as an antioxidant in normal foods, health foods in the form of tablets, granules, capsules, or foods for specified insurances for the purpose of maintaining and promoting health. Embedded image General formula (1) (Wherein, R1, R2, R3, R4, R5, R6, R7, R8, and R9 each independently represent a hydrogen atom, an aromatic group having 6 to 15 carbon atoms, or an aromatic acyl group having 6 to 15 carbon atoms) , And any of the aromatic groups and aromatic acyl groups may have the same substrate as other acyl groups, and may or may not have a bond indicated by a broken line.) [Selection diagram] None |