First sweet potato nutritional value 1. sweet potato contains dietary fiber, carotene, vitamin a, vitamin b, vitamin c, vitamin e and potassium, iron, copper, selenium, calcium, and more than 10 kinds of micronutrients. It is so nutritious that nutritionists call it the most balanced dietary supplement.

2. It is rich in ? - carotene, vitamin e and vitamin c. Sweet potatoes, in particular, are rich in lysine, which is lacking in rice and flour. Mix sweet potatoes with rice flour for a more complete protein supplement. In terms of total nutrition, sweet potatoes are the best crop and vegetable. Europeans and Americans call it ? second bread? and Soviet scientists called it the future? Space food? and the French call it a well-deserved dietary supplement. Dietary supplements?

3. Fresh sweet potatoes contain only 0.2 grams of fat per 100 grams and produce 99 kilocalories, about 1/3 of a meter, making them a very good low-fat, low-calorie food.

Second sweet potato consumption effect. Anti-cancer can effectively inhibit the occurrence of colon cancer and breast cancer.

2. purify weight loss eating sweet potato can effectively prevent sugar into fat, is conducive to weight loss, fitness. Sweet potato contains a large amount of dietary fiber, in the intestinal tract can not be digested and absorbed, can stimulate the intestinal tract, strengthen peristalsis, defecation and detoxification, especially for the elderly constipation has a very good effect.

3. Sweet potato leaves can improve immunity, stop bleeding, reduce blood sugar, detoxification, prevention of night blindness.

4. Anti-aging, inhibit the production of melanin, prevent freckles and age spots. Redness can also inhibit skin aging, maintain skin elasticity and slow down the aging process of the body.

The third sweet potato eating taboo. Sweet potatoes contain an oxidase, this enzyme in the intestinal mucosa is easy to produce a large amount of carbon dioxide gas, such as eating too much sweet potatoes, will make people swell, burp, fart. Sweet potato contains high sugar content, eat more can stimulate gastric acid secretion, make people feel heartburn. As the stomach is stimulated by excess stomach acid and increased contraction, stomach acid will flow back into the esophagus, producing acidic water for vomiting. It is best to eat sweet potatoes with a little pickle, which can effectively inhibit stomach acid.

2. Don't eat it raw. Sweet potatoes must be cooked before eating, because the starch granules in sweet potatoes are not destroyed by high temperature and are difficult to digest.

3. Don't eat sweet potatoes on their own; they should be eaten with other grains. Eating it alone, because of its low protein content, can lead to unbalanced nutritional intake. Therefore, the traditional sweet potato sliced and cooked with rice porridge is more scientific. Thus, because sweet potato is low in calories and filling, it is a good food for weight loss, both as a staple and as a side dish. Figure 4. sweet potato sugar, the body can not absorb the rest of the part stays in the intestines easy to ferment, making abdominal discomfort. Chinese medicine believes that dampness obstructs the spleen and stomach, gas stagnation and food accumulation, should be cautious of eating sweet potatoes.