The New Blue: How Scientists Taught Bacteria to Make a Superfood Color That Could Change Your Grocery Aisle
A scientific breakthrough in engineering E. coli to produce a natural, antioxidant-rich food color could soon replace the synthetic dyes in your favorite snacks
By Foodie Pundit Newsroom - Published - Updated - Section: Desserts Snacks
Key points
- Scientists have engineered E. coli bacteria to produce cyanidin-3-O-glucoside (C3G), a high-value natural red and purple antioxidant pigment found in berries.
- The new method is 23 times more efficient than previous bio-engineering attempts, producing 1.34 grams of C3G per liter.
- This breakthrough could lead to a cost-effective, scalable alternative to synthetic food dyes like Red 40 and Blue 1, meeting consumer demand for 'clean labels'.
- The technology uses a 'protein cage' to organize enzymes and genetic modifications from soybeans to create an efficient biological assembly line inside the bacteria.
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Sources and methodology
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