Sensitivity colorants such alizarin crimson, basic fuchsin, curcumin and pararosaniline base: they tend to fade. |
All samples contained one to three kinds of artificial colours, including tartrazine, sunset yellow FCF, red 2G, carmoisine and curcumin. |
This led to hydrogen abstraction from dioxane by curcumin triplet state and the formation of the corresponding ketyl radical. |
The other contains curcumin, a substance found in the popular Indian spice, turmeric. |
Studies show that the curcumin it contains protects brain cells from degeneration. |
Additionally, monascus pigments, purpurin, chlorophyllin and curcumin were reported to inhibit the mutagenicity of heterocyclic amines and other carcinogens. |