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Cornell scientists develop algae-based blue dye to replace synthetic food colourants

The new algae-derived blue dye offers food producers a vibrant and stable alternative to synthetic colourants and emulsifiers. Alireza Abbaspourrad, left, the Yongkeun Joh Associate Professor of Food Chemistry and Ingredient Technology, and Qike Li work in Abbaspourrad’s lab. Credit: Sreang Hok/Cornell University Food scientists at Cornell University have developed a natural blue food dye …