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红薯,又称甘薯,番薯,山芋等。原产南美洲,16世纪传入我国。红薯品种繁多,形状各异,皮包有白、淡黄、红、黄、紫红之别。红薯营养十分丰富,每500克红薯含蛋白质11.5克,糖14.5克,脂肪1克,磷100毫克,钙90毫克,铁2克,胡萝卜累0.5毫克。另含有维生素B1,维生素B2,维生索C,与尼克酸、亚油酸等,其中维生素B1,维生素B2的含量分别比大米高6倍和3倍,维生素C的含量是苹果、葡萄、梨的10倍至30倍。特别是红薯含有丰富的能促进人体新陈代谢,助长发育的赖氨酸,这正是大米、面粉所缺乏的。红薯还含
Sweet potato, also known as sweet potato, sweet potato, potato and so on. Origin South America, 16th century into China. Variety of sweet potatoes, different shapes, handbags with white, yellow, red, yellow, purple and the other. Sweet potato nutrition is very rich, each 500 grams of sweet potato protein 11.5 grams, 14.5 grams of sugar, fat, 1 gram, 100 milligrams of phosphorus, 90 mg of calcium, iron 2 grams, 0.5 mg carrot tired. The other contains vitamin B1, vitamin B2, vitamin C, and niacin, linoleic acid, etc., of which vitamin B1, vitamin B2 levels were 6 times and 3 times higher than rice, vitamin C content is apple, grape, pear 10 times to 30 times. In particular, sweet potatoes are rich in lysine which can promote the metabolism and promote the development of human body, which is lacking in rice and flour. Sweet potatoes also contain