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甘薯又称红薯、番薯、地瓜等,属旋花科蔓生草本植物,原产美洲及印度群岛等热带地区。16世纪传入我国,主要产区分布在黄河、淮河、长江中下游以及广东、福建等地。我国甘薯的种植面积约1066万ha,仅次于水稻、小麦、玉米,居第4位,占世界甘薯种植面积的2/3以上。甘薯的利用可划分为以下几种: 1)作粮食用;2)作辅助食品和饲料;3)作工业原料及饲料工业化生产。甘薯的营养价值及开发的意义甘薯的营养丰富,鲜薯约含水分60%～80%,淀粉10%～30%,及少量的蛋白质、脂肪、纤维素、半纤维
Sweet potato, also known as sweet potato, sweet potato, sweet potato, etc., is a convolvulaceae herbaceous plant, native to the Americas and the Indian Islands and other tropical regions. It was introduced into China in the 16th century. The main producing areas are located in the Yellow River, Huaihe River, the middle and lower reaches of the Yangtze River, and Guangdong and Fujian. The planting area of sweet potato in China is about 10.66 million ha, second only to rice, wheat and corn, ranking fourth, accounting for more than two-thirds of the world’s sweet potato planting area. The use of sweet potatoes can be divided into the following categories: 1) for food use; 2) for supplementary food and feed; 3) for industrial raw materials and feed industrial production. The nutritional value and development significance of sweet potato Sweet potato is rich in nutrients, fresh potato contains about 60% to 80% of water content, 10% to 30% of starch, and a small amount of protein, fat, cellulose, and half fiber.