Xi’an Rainbow Biotech is a leading manufacturer and supplier of high-purity natural food colorants and plant-derived pigments that outperform synthetic alternatives in today’s demanding markets. We extract high-stability natural colors from premium botanicals such as beets, radish, turmeric (curcumin), spirulina, paprika, gardenia, and purple sweet potato. Our colorants– from deep reds and warm oranges to bright yellows and rare natural blues – offering superior heat, light, and pH stability for modern formulations demanding safety and performance.

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