| 摘要 |
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 structure 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 crosslinked product obtained by crosslinking a primary amino group-containing compound with an iridoid compound, with at least one decolorizing agent selected from the group consisting 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.
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