BROOKINGS, S.D. (KELO) - Red 40, Red 3, Yellow 5, Blue 1 and other synthetic food dyes have come under a lot of scrutiny in recent years over potential health concerns. Over the last few months, the Trump Administration has called for a phase-out of many of these dyes by the end of next year.
But what could replace those dyes?
SDSU's Dr. Ananda Nanjundaswamy is creating a possible replacement for synthetic food dyes at a Dakota BioWorx lab in Brookings. In order to make it, he's growing microbes in bioreactors.
"So, they (microbes) are present everywhere, especially on the plant surfaces, fruit surfaces. We found that when they are in the lab condition, by providing optimal conditions, they can grow very well and produce this compote," Nanjundaswamy said. "And they can, the immediate re