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Four strains of bacteria work together to produce pigment for food and cosmetics industry

Nature makes the vibrant pigments manufacturers want for foods and cosmetics, but getting them from plants to the products we buy is so difficult that many manufacturers rely on artificial colors. Now, researchers at Rensselaer Polytechnic Institute have shown that four strains of E. coli bacteria working together can convert sugar into the natural red anthocyanin pigment found in strawberries, opening the door to economical natural colors for industrial applications.
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