Color - Dark Violet -blue
Source - Indigofera tinctoria
Solubility - Water
Stability - Stable in Heat and Light
Applications - Fruits, dairy products, cosmetics, medicines.
Other reference Names - Indigotine, Indigo Carmine, Purple Carmine
It is generally in the form of free flowing powder. It should be stored below 25°C in air tight containers in a cool dark place. Apart from a food colorant, it has been used as a dye and a body colorant for centuries.