Microalgae Growing as a Natural Food Coloring Alternative

Microalgae are emerging as a promising source of natural food coloring alternatives. A recent government push to eliminate artificial food colorings is opening a major opportunity for the algae industry to play a role in this changeover.

Scientists are increasingly working with food industry manufacturers to develop ways to leverage microalgae metabolism to produce these natural dyes. Microalgae are a rich and sustainable source of naturally produced pigments, including:

• Carotenoids: Offering yellow, orange, and red colors (e.g., β-carotene, astaxanthin, lutein).
• Chlorophylls: Providing green hues (e.g., chlorophyll a and b).
• Phycobiliproteins: Delivering blue and red colors (e.g., phycocyanin, phycoerythrin).

https://algaeplanet.com/microalgae-growing-as-a-natural-food-coloring-alternatives