Sweet potatoes contain fiber, vitamin A and

Sweet potatoes contain fiber, vitamin A and 1. But the way that scientists think they can make them even more healthful is literally shocking. Researchers found that giving a jolt of 2 to sweet potatoes increased the level of antioxidants known as polyphenols by 60 percent. The 3 placed sweet potatoes in a solution of sodium chloride. They found that 0.2 amps of direct current gave the potatoes nearly one and a half times more antioxidants than potatoes that weren't shocked. The research was presented at the National Meeting of the American Chemical Society. It seems that the electric zap 4 the potatoes into producing more polyphenols as a protective 5. And the treatment did not sacrifice flavor. Previous research has shown that electrically supercharging white potatoes increases antioxidant levels. So perhaps it's only a matter of time before other fruits and vegetables get shock 6, too.