| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a useful antioxidant comprising, as an active ingredient, a substance originated from a natural source expressing an excellent antioxidant action, which can be used for anti-oxidation of a wide variety of products and is useful also as a main raw material for products having antioxidant action as their functions. <P>SOLUTION: The antioxidant comprises, as the active ingredient, at least one member selected from the group consisting of betanin, betanidin, isobetanin and isobetanidin. <P>COPYRIGHT: (C)2004,JPO |
