The chemical structure of betalains can be modified to produce almost any hue. We realized that if we increased the number of alternating single-double bonds in betalain molecules, we could change ...

Look closely at the ingredients listed on the back of your M&Ms package and you're sure to see Blue No. 2 there. Those versed in the chemistry of colorants will realize that's the same chemical ...

Researchers at NC State analyze the first structures from the Max Weaver Dye Library’s 98,000 vials of dyes ...

Bastos hypothesized he could achieve a blue dye by cleaving off part of the molecular structure of the beet pigment and replacing it with a compound called 2,4-dimethylpyrrole, which itself has ...

What's more, since the FDA approved the closely related food additive known as blue dye No. 1 in 1928, there's almost a century of proof showing that the compound is safe. “Each of us in United States ...