Purple sweet potato extract is a purely natural ingredient extracted from purple sweet potato that is planted locally, and is rich in anthocyanin and minerals. Purple sweet potato powder has preserved full nutrients with special flavor of purple potato, and is suitable for fancy foods of cooking. Purple sweet potato contains high amount of anthocyanins. Anthocyanins can be red, blue or purple depending on the source's chemical structure, and are also found in foods such as blueberries, black raspberries, red grapes and red cabbage. Anthocyanins are known to have antiangiogenic properties, and high intake of foods containing this family of molecules has been associated with a reduced cancer risk in epidemiology studies.