关键词: 甘薯;营养成分;保健

Abstract:

Sweet potato is rich in various nutrients and bioactive components. It is not only the staple food for people in poor areas, but also draws more and more attention for its unique physiological health-care functions. This paper reviews the studies on nutritious components of potato root, stem and leaf, including protein, carbohydrates, dietary fiber, mineral, amino acids, vitamins, flavonoids, polyphenols, and other beneficial compositions and their health-care functions in alleviation of avitaminosis and antitumor, antirnutagenicity, antioxidation, antiatheroscloresis, lowering of cholesterol and blood sugar, and enhancing peoples immunity both at home and abroad in recent years.

Key words: sweet potato, nutritious component, health-care