Purple Sweet Potato Powder is a purely natural ingredient extracted from purple sweet potato that is planted locally and is rich in anthocyanin andd minerials. Purple sweet potato powder has preserved full nutrients with special flavor of purple potato, and it's suitable for fancy foods of cooking. Purple sweet potato contains high amound of anthocyanins, which can be red, blue or purple depending on the source's chemical structure, and also found in foods such as blueberries, black raspberries, red grapes and red cabbage.