Our range of naturally sourced blue hues are derived from gardenia and spirulina. Regulatory approval for gardenia and spirulina vary by country.
Optimizing Your Hue: Spirulina
Kalsec blues derived from spirulina provide numerous color combinations. By combining yellow pigments from turmeric, red pigments from anthocyanins and orange pigments from annatto- an endless range of green, purple and even brown hues are possible.
|Light Stability||Heat Stability||pH Range||Comments|
|Good||Good||3.5-7.0||Approved in select applications in the United States. Permitted as a coloring foodstuff in Europe. An important building block in producing green, brown and purple hues.|