METHOD OF PREVENTING FADING OF TAR COLORANT AND TAR COLORANT-CONTAINING COMPOSITION WITH PREVENTED FADING

Title:

METHOD OF PREVENTING FADING OF TAR COLORANT AND TAR COLORANT-CONTAINING COMPOSITION WITH PREVENTED FADING

Document Type and Number:

WIPO Patent Application WO/2005/108503

Kind Code:

A1

Abstract:

It is intended to provide a method of preventing a tar colorant from fading. Namely, it is intended to provide a method of preventing the fading phenomenon of a tar colorant inherently occurring in a composition containing (a) the tar colorant and (b) a reducing sugar, ascorbic acid or its homolog or a metal. This method can be established by adding to the above composition (c) at least one member selected from the group consisting of isoquercitrin, enzymatically treated isoquercitrin, rutin, enzymatically treated rutin, bayberry extract and rosemary extract so as to allow the components (a) and (b) as described above to coexist with the component (c).

Inventors:

KODA TAKATOSHI
MORIWAKI MASAMITSU
TANAKA HISASHI
UTIDA KOUJI

Application Number:

PCT/JP2005/008370

Publication Date:

November 17, 2005

Filing Date:

May 06, 2005

Export Citation:

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Assignee:

SAN EI GEN FFI INC (JP)

International Classes:

A23L1/275; A23L5/41; C09B61/00; C09B67/00; C09B67/44; C09K15/34; (IPC1-7): C09B67/00; A23L1/275; C09K15/34

Foreign References:

JP2002249771A	2002-09-06
JPH06234935A	1994-08-23
JPH08112076A	1996-05-07
JP2003261593A	2003-09-19
JP2004215570A	2004-08-05

Other References: