Purple sweet potatoes don’t just look interesting, they also contain a large amount of anthocyanin antioxidants along with the carotinoids that most sweet potatoes offer. This sweet potato variety has the added benefit of providing the type of nutrients that are specific to cleansing the colon. They scour for and help remove heavy metals. There are always small amounts of metals in the diet from residue or environment and the purple potato helps counteract them.
Read more: Do purple sweet potatoes have special nutritional properties?