Fluorescent dyes articles from across Nature Portfolio Fluorescent dyes are non-protein molecules that absorb light and re-emit it at a longer wavelength. They are often used in the fluorescent ...

Sodium and saturated fat, however, were lower in foods with dyes, according to the study published Wednesday in the Journal of the Academy of Nutrition and Dietetics.

(CNN) — In the crusade to reduce chronic disease and neurobehavioral issues in the United States, synthetic food dyes are a hot target.