Sweet potatoes with different colors have similar vitamins and minerals ,and the outstanding difference is their phytonutrient profile .
*Orange and yellow flesh – are rich in carotenoids the compounds that provides vitamin A ( lutien/ lycopene) it is beneficial to immune system and eye health.
*Purple /Red/Blue color-has a potent anti-oxidant ,these are anthocyanin which has a potent anti-inflammatory efffect ( anti-aging),antimicrobial ,anti- obesity,anti -cancer and in addition
to protect cardiovascular disease .
At any rate the color you choose varies from your preference and taste.With these ,what color do you want to eat?.But according to the Nutrition and research institute ( U.S) the most beneficial are colored purple,red and yellow ones.