The study looked at groups of pigs on three different diets, one of which was supplemented with purple potatoes. (livescience.com)
And today for lunch, I'm going to make purple potato salad with it. (blog.fatfreevegan.com)
Got some fully red (not just the skin, but the flesh too) and purple potatoes from the farmer's market and didn't like them raw at all. (freetheanimal.com)