2。 Is it rich? Carotene, vitamin E and vitamin C, especially sweet potato, are rich in lysine, but rice and flour lack lysine. When sweet potato and rice flour are mixed, a more comprehensive protein supplement can be obtained. As far as total nutrition is concerned, sweet potato is the best crop and vegetable. Europeans and Americans call it? A second slice of bread? Soviet scientists call it the future? Space food? The French call it deserved? Dietary supplements? .
3。 Fresh sweet potato contains only 0.2 g fat per 100 g, which can produce 99 kilocalories, which is about1/3 m. It is a very good low-fat and low-calorie food.
Second, the edible effect of sweet potato. Anticancer can effectively inhibit the occurrence of colon cancer and breast cancer.
2。 Eating sweet potatoes can effectively prevent sugar from turning into fat, which is beneficial to weight loss and fitness. Sweet potato contains a lot of dietary fiber, which cannot be digested and absorbed in the intestine. It can stimulate intestinal tract, strengthen peristalsis, relieve constipation and detoxify, and has a good effect on constipation of the elderly.
3。 Sweet potato leaves can improve immunity, stop bleeding, lower blood sugar, detoxify and prevent night blindness.
4。 Anti-aging, inhibit the production of melanin, and prevent the occurrence of freckles and senile plaques. Redness can also inhibit skin aging, maintain skin elasticity and slow down the aging process of the body.
The third taboo of sweet potato. Sweet potato contains an oxidase, which easily produces a large amount of carbon dioxide gas in intestinal mucosa. Eating too much sweet potato will make people swell, burp and fart. Sweet potato has a high sugar content. Eating too much will stimulate gastric acid secretion and make people feel heartburn. Because the stomach is stimulated by hyperacidity and increased contractility, gastric acid will flow back to the esophagus and produce acidic water. It is best to eat sweet potatoes with a little kimchi, which can effectively inhibit stomach acid.
2。 Do not eat it raw. Sweet potato must be cooked before eating, because the starch particles in sweet potato are not destroyed by high temperature and are difficult to digest.
3。 Don't eat sweet potatoes alone, but eat them with other whole grains. Eating alone, because of the low content of protein, will lead to unbalanced nutrient intake. Therefore, it is more scientific to slice traditional sweet potatoes and cook porridge with rice. Therefore, because sweet potato is low in calories and full, it is a good diet food whether it is staple food or non-staple food. Figure 4. Sweet potato sugar, which can't be absorbed by the body, is easy to ferment in the intestine, causing abdominal discomfort. Traditional Chinese medicine believes that wet resistance to the spleen and stomach, qi stagnation and food accumulation, should be careful to eat sweet potatoes.