![]() ![]() Research with resistant starch is exciting because of so many possible health benefits. Resistant starch is in high demand as a food ingredient. Resistant starch is a type of starch that acts like fiber in the human body and thus provides the health benefits of fiber. Creating high-value products from sweet potato by-products using value-added processing can minimize the waste stream, as well as provide a new source of income from high-value products manufactured from this waste. Increasingly stringent environmental regulations drive the need for innovative methods to remediate sweet potato waste. Much of this waste is from cutting sweet potatoes for canning, and the byproduct is mainly starchy sweet potato flesh. At least half goes directly into lagoons, creating an environmental waste issue. ![]() During the season, the canning process produces 600,000 pounds of sweet potato waste per day. Sweet potato roots grown in Louisiana are used for processing, mainly canning. About 24 percent of the nation’s sweet potatoes are grown in Louisiana, accounting for more than half of the state’s vegetable cash income and contributing $100 million to the state’s economy. The United States produces approximately 600,000 tons of sweet potatoes annually, making it the world’s 10th leading producer. Finding new uses for sweet potato components, such as starch, would increase the demand for sweet potatoes and save processors money by finding a use for the waste produced during cutting and canning.
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