Dehydrated Potato Powder Food Grade Sweet Potato Powder Product Description 1. The product has been prepared from sound, mature potato that have been washed, peeled, blanched, diced, dried, granulated and metal detected in accordance with good manufacturing practice. 2.Free sample availabe for test Packaging & Shipping Inner packing:double plastic bags, Outer packing: cartons. Powder use aluminium foil bag as inner packing.