Gromwell pigment |  |
Alias name: Lithospemum Root Color
Shikonin and its ramification,β,β-Dimethylacrylshikonin, β-Hydroxyisovaleryl shikonin, Isovalerylshikonin etc are the main parts of the gromwell pigment. The highest content of the gromwell pigment is Acetylshikonin. It is absolute a natural pigment abstracted from the root of comfrey Lithospermum euchroma Johnstan Ligustrum Lucidum Ait by modern biotechnology. |
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