Purple Sweet Potato A Contender To Replace Artificial Food Dyes

Consumers are demanding "natural" food dyes, and scientists say the purple sweet potato is the most promising source of pigments to make them. But it may be a while before your red Popsicle is made with this kind of vegetable-based dye.» E-Mail This     » Add to Del.icio.us

Source: NPR Health and Science - September 9, 2013 Category: Consumer Health News Source Type: news