Potatoes are also called potato, potato and yam egg. The mass fraction of protein lysine in potato is high, which is beneficial to human absorption. The mass fraction of starch is one to two times higher than that of ordinary grains, and it is easy to be converted into rich sugars. Vitamin C is extremely rich, but the nutritional value of germinated potatoes is extremely low, and it contains a toxic component Solanum nigrum, which is harmful to people and animals. Eating too much can easily lead to bloating, colic, nausea and other poisoning phenomena, so the sprouted potatoes should be peeled at the sprouting place or soaked in vinegar for half an hour to prevent poisoning.
Sweet potato, also known as sweet potato, sweet potato and so on. There are two types: yellow skin and red heart and red skin and white heart. It contains a lot of starch, is soft and waxy in texture and sweet in taste, and is a kind of high-quality starch which is easy to be digested and absorbed by human body. It is rich in vitamin C and carotene.
Sweet potato contains an oxidase, which can produce carbon dioxide gas in human stomach. It is easy to cause adverse reactions such as bloating, burping, acid and farting. The heating time should be extended in production to destroy oxidase and reduce the influence on products.
Sweet potato is widely used in pastry making, such as making cakes, steamed buns, jiaozi, cakes and so on together with other powders. Dry powder can replace flour to make cakes, puddings and other snacks.