C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
530/15.12
C07K 14/78 (2006.01) A23L 1/277 (2006.01) C08B 3/08 (2006.01) C08B 37/08 (2006.01) C08H 1/00 (2006.01) C08J 3/00 (2006.01) C08J 3/24 (2006.01) C08J 7/12 (2006.01)
Patent
CA 2013706
DECOLORIZED CROSSLINKED PRODUCTS AND METHOD FOR DECOLORIZATION OF CROSSLINKED PRODUCTS ABSTRACT OF THE DISCLOSURE: A crosslinked product of a primary amino group- containing compound such as proteins, chitosan or a mixture thereof is disclosed. The product has a crosslinked struc- ture formed by crosslinking with an iridoid compound, and the blue color developed by the crosslinking is decolorized. Also, a method for decolorization of the above crosslinked product is disclosed. The method comprises reacting a cross- linked product obtained by crosslinking a primary amino group-containing compound with an iridoid compound, with at least one decolorizing agent selected from the group consist- ing of an oxidizing agent, a reducing agent and a reductone. The decolorized product and the method for decolorization according to the present invention can be broadly applied in the fields of foodstuffs, cosmetics, pharmaceuticals and the like where blue tone coloration is undesirable. - 17 -
Harada Keiko
Kyogoku Nobuo
Suntory Limited
Swabey Ogilvy Renault
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