Skin-lightening agent containing equol compound as active ingredient

A technology of equol and whitening agent, applied in the field of whitening agent, can solve the problems of other functions and applications.
CN101677932AInactive Publication Date: 2010-03-24HAYASHIBARA BIOCHEMICAL LAB INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HAYASHIBARA BIOCHEMICAL LAB INC
Publication Date
2010-03-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a skin-lightening agent containing a novel skin-lightening ingredient as an active ingredient. The active ingredient comprises equol and / or an equol glycoside formed by bondingone or more glycosyl groups to one or more of the hydroxy groups of equol.
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Description

technical field

[0001] The present invention relates to a whitening agent with equols as active ingredients. Background technique

[0002] With the advancement of aging, people's awareness of beauty and health has increased. Especially for women, due to the appearance of skin spots and dullness, cosmetics and quasi-drugs containing various whitening ingredients have begun to be sold on the market. However, the various whitening ingredients mixed therein sometimes cannot obtain sufficient whitening effects. Therefore, external skin preparations combining two or more kinds of whitening ingredients have also been proposed (for example, refer to Japanese Patent Application Laid-Open No. 2002-284664). The development of new whitening ingredients that are safe and have excellent whitening effects is expected.

[0003] On the other hand, equol is a substance produced by the metabolism of daidzein, a type of isoflavone, by intestinal bacteria. It has been confirmed that the female ...

Claims

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