| 摘要 |
PURPOSE:The titled novel dye having improved shelf stability and a feeling of profoundness in a blight color in color tone of red - purple after coloring, containing a coloring component comprising shikonin, deoxyshikonin and a shikonin polymer in a specific ratio. CONSTITUTION:The aimed dye using a coloring component containing (A) 5-30wt% shikonin shown by formula I, (B) 20-60wt% deoxyshikonin shown by formula II and (C) 20-60wt% shikonin polymer in the coloring component consisting of shikonin and derivatives thereof.
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