If you feel any soft spots on the sweet potato, it may be spoiled. Mold: Mold is a sign of spoilage. If you see any mold on ...

Also, check them regularly for spoilage and remove any that are soft, shriveled, or sprouting to keep the rest fresh for months." Sweet potatoes should last several months if stored in a cool ...

Japanese exports of sweet potatoes have been brisk thanks largely to technology to prevent spoilage and efforts to tailor the spuds to an increasing number of targeted areas around the world. High ...

Center and Yamato Plan Co Ltd kickstart production of an improved version of their jointly developed “dried sweet potato ...