Fruits and
vegetables provide natural food coloring. The red of paprika fruits, the yellow
of turmeric roots, the orange-red of annatto seeds, the yellow-orange of
marigold blooms, and the green of leaves are natural colors.
A Natural
Color that is suited for the purpose can be obtained by considering parameters
such as pH, heat, light, storage, and other substances.
For usage in
water-based goods and applications, all-natural food colors are available in
water-soluble and dispersible forms. They can also be delivered as powder.
Spray-dried versions of these natural colors are also available for specialized
purposes.