| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an antioxidizing compound obtained by subjecting an olive leaf extract to bioconversion with a yeast, to provide an extract containing the compound, to provide a cosmetic additive, a food additive, a cosmetic and a food comprising the extract and to provide a method for producing the compound. <P>SOLUTION: The novel compound comprises a specific pyran ring. The bread yeast-treated olive extract comprises the compound. Furthermore, the compound is useful as an antioxidizing composition and can be used as the food additive or the cosmetic additive. The compound can be produced by a conversion reaction of an olive extract with the bread yeast. <P>COPYRIGHT: (C)2008,JPO&INPIT |
