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Tech firms embrace natural food colors

Fermentalg develops Galdieria blue, a new natural pigment approved by the FDA for use in food.

July 24, 2025 at 11:01 PM

Food dyes: Tech firms look for natural food colours

Big food firms are phasing out artificial colours, so tech firms are rushing to fill the gap.

Tech firms pursue natural food colors as artificial dyes decline

French company Fermentalg is exploring microalgae to find natural colorants for food. Their research has led to the development of Galdieria blue, a pigment derived from Galdieria sulphuraria that has recently received FDA approval. This blue pigment can be incorporated into various food and drink products, with plans for it to be on store shelves early next year. The drive towards natural ingredients is a response to rising consumer demand for healthier options as large food manufacturers work to eliminate artificial colors from their products.

Key Takeaways

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Fermentalg is leveraging microalgae to create natural food colors.

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Galdieria blue is a new FDA-approved pigment for food and drinks.

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The shift away from artificial colors is driven by consumer demand for healthy options.

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Natural pigments like Galdieria blue may soon hit store shelves.

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The FDA's approval of Galdieria blue signals growing regulatory support for natural food dyes.

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The move towards natural ingredients presents a chance for tech innovation in food production.

"We grow the algae and make a lot of it under conditions which make a lot of this particular molecule - the blue."

Hywel Griffiths describes the cultivation process for Galdieria blue.

"One of our lucky scientists got to go and climb the volcanoes in the Caribbean for example."

Hywel Griffiths shares a light-hearted comment about their research adventures.

The shift to natural food dyes reflects broader patterns in consumer behavior, where health-conscious choices are gaining importance. As consumers become more knowledgeable about ingredients, companies are under pressure to adapt or risk losing market share. The rapid approval of new natural dyes by the FDA signifies regulatory support, potentially paving the way for innovation in food technology. This trend not only impacts consumer choices but also represents a significant opportunity for tech firms that can create sustainable solutions using natural sources.