The most anti-cancer nutrients in the diet are beta-carotene (vitamin A precursor), vitamin C and folic acid, and sweet potatoes are rich in all three. A small sweet potato (about 2 weight) can provide two times the amount of vitamin A, one-third of the daily requirement of vitamin C and about 50 micrograms of folic acid; the content of dietary fiber is higher than a bowl of oatmeal. β-carotene and vitamin C antioxidant effect helps to resist oxidative stress on the genetic material of deoxyribonucleic acid (DNA) damage, play a certain anticancer effect. The sweet potato has a certain anticancer effect. Eating sweet potatoes regularly helps maintain normal folate levels in the body, and low folate levels in the body increase the risk of cancer. Sweet potatoes in the high content of dietary fiber to promote gastrointestinal motility, prevention of constipation and colorectal cancer role.

2. Sweet potatoes are good for the heart

Sweet potatoes are rich in potassium, beta-carotene, folic acid, vitamin C and vitamin B6, which are all five components that help prevent cardiovascular disease. Potassium contributes to the fluid and electrolyte balance of the body's cells and maintains normal blood pressure and heart function. β-carotene and vitamin C have an anti-lipid oxidation, preventing atherosclerosis. Supplementation of folic acid and vitamin B6 helps to reduce the level of homocysteine in the blood, which can damage arterial blood vessels and is an independent risk factor for cardiovascular disease.

3. Sweet potatoes prevent emphysema

Animal experiments at the University of Kansas found that smoking rats with low levels of vitamin A, prone to emphysema; while eating vitamin A-rich food smoking rats emphysema incidence was significantly reduced. The reason why some long-term smokers live to be more than 90 years old without developing emphysema may be related to the richness of vitamin A in their daily diet. The researchers suggest that those smokers or passive smokers would be wise to eat foods rich in vitamin A, such as sweet potatoes, every day to prevent emphysema.

4. Sweet potatoes have anti-diabetic effect

Japanese researchers found that diabetic obese rats in eating white sweet potatoes 4 weeks, 6 weeks after the blood insulin levels were reduced by 26%, 60%; and found that sweet potatoes can effectively inhibit diabetic obese rats oral glucose after the rise in blood glucose levels; eating sweet potatoes can also reduce the level of diabetic rat triglycerides and free fatty acids; the study suggests that white sweet potatoes can be used to prevent diabetes. The study suggests that white-skinned sweet potatoes have a certain antidiabetic effect. A clinical study at the University of Vienna, Austria, found that patients with type 2 diabetes had improved insulin sensitivity after taking white-skinned sweet potato extract, helping to control blood sugar.

Sweet potatoes have been used by nutritionists as a medicinal and nutritionally balanced food, with only one-third of the calories produced by an equal weight of rice and virtually no fat or cholesterol. Eating sweet potatoes is good for human health, and has a certain weight loss effect. But don't eat sweet potatoes too much at once, so as to avoid heartburn, acid reflux or bloating and other abdominal discomfort.

5. Sweet potato is longevity food.

China has two longevity townships, the reason for this is that farmers in two places often to sweet potato as a staple food; at present, Japan, the United States and other countries have been the sweet potato as a supplemental food for infants and young children; sweet potatoes contain a substance similar to estrogen, the protection of the human body skin, delaying the aging of a certain role.

6. Sweet potatoes have weight loss.

Many beauty girls feel sweet potato is very sweet, afraid to eat more will get fat, but research shows that sweet potato is low-fat low-calorie food, at the same time can effectively prevent the sugar into fat, conducive to weight loss and health, to prevent sub-health and laxative detoxification.

Sweet potato sesame cake take sweet potato flour 1000 grams, 300 grams of flour, 300 grams of sugar, 8 grams of soda and the right amount of warm water

Water mixing, fermentation is complete and put into the steamer basket with a high fire steamed. When the steamer is removed from the fire and allowed to cool to a warm degree, the surface is properly coated with sesame oil, sprinkled with green and red threads, sesame seeds, and cut into pieces for consumption. This cake is soft and delicious, unique flavor.

Sweet potato pancakes will be cleaned and steamed sweet potatoes, peeled and mashed into a paste, add an equal amount of flour and an appropriate amount of warm water, pepper, green onions, salt, etc. Mixed, pinched into a palm-sized pancake, put into a pan, cooked in oil that is. The cake is golden in color, fragrant with green onion and has a good taste.

Sweet potato corn paste prepared 250 grams of dried sweet potato, 150 grams of cornstarch. First of all, wash the sweet potato, cornstarch with cold water and soaked into a thin paste, the sweet potato into the pot with the right amount of water to cook until the dried potatoes are rotten, and then the cornstarch paste Xu Xu pot, and constantly stirring to cook until cooked out of the pot can be eaten. Regular consumption of stomach cancer, intestinal cancer and other cancers have therapeutic or auxiliary therapeutic effect.

Fried sweet potato fries will be washed, peeled and soaked in water for a minute or two; then cut it into a cross-section of about 1 × 1 cm fries, put into the boiling water for 1 minute; drained in a frying pan fried for about 1 minute, to be soaked enough to fry fries, picked up and drained, and then quickly sent to the refrigerator to freeze after cooling to room temperature. After frozen processed frozen French fries crispy and crisp, fragrant and sweet, both snacks, but also with other dishes with a delicious meal.

1, sweet potatoes can not eat too much at a time, with some cabbage, radish with food.

2, steaming sweet potato, water slightly put some alkali, or put in salt water soaked 10 minutes before steaming. Steaming time should be more than 20 minutes, or with rice, noodles, beans and other foods with cooking, in order to reduce oxidative enzymes. This will not cause bloating.

3, sweet potatoes should not be a staple single food, you can rice, steamed bread-based, supplemented by sweet potatoes. This not only modulates the taste, but also does not produce side effects on the stomach and intestines.

4, if a single consumption of sweet potato, you can eat some salted vegetables or salted vegetable soup. In this way, can reduce stomach acid, reduce and eliminate gastrointestinal discomfort. 5, sweet potatoes should not be eaten at the same time with persimmons, so as not to cause stomach persimmon stones. Because the sugar in the sweet potato fermentation in the stomach, it will increase the secretion of gastric acid, and persimmons in the tannin, pectin reaction occurs precipitation cohesion, resulting in hard lumps, severe gastrointestinal bleeding or cause gastric ulcers.