Description : How do the yellow, red, white, and other potaotes stack up healthwise?
Last Answer : answer:The same. Purple potatoes are very similar to the popular Russet potatoes in nutritional value. One-half cup of purple potatoes contains 70 calories, 15 grams of carbohydrates, 1 gram of fiber, 2 ... kind, since they have more surface area (skin) per amount of starchy inside (total volume).