What benefits does eating sweet potato have to the body?
1, enhancing immunity
Sweet potato contains more than 70% cassava starch, followed by protein, human fat, vitamins b2 1, b2, C, and minerals such as calcium, potassium, magnesium, iron, zinc and selenium. It contains rich and colorful nutrients, which is very important for improving the body's resistance.
Step 2 promote digestion
Mucinous protein, which is often contained in sweet potato, can not only improve human immunity, improve human ability to fight diseases, but also promote digestion and absorption of gastrointestinal tract. VB 1 also has the same digestive effect.
3. Moisturize intestines and detoxify
Sweet potato contains rich and colorful dietary fiber, which can increase the volume of feces, promote gastrointestinal function, and immediately expel endotoxin from the intestine, thus cleaning the intestine.
Step 4 lose weight
Sweet potato contains cassava starch and dietary fiber, which can be eaten as a staple food and has a strong satiety. Compared with eating steamed bread or rice with white flour, it not only has much higher nutritional content, but also can reduce the appetite and has the practical effect of slimming.
5, spleen and stomach.
From the perspective of traditional Chinese medicine, sweet potato enters the gastrointestinal tract, so it has the functions of strengthening the spleen and stomach, strengthening the spleen and appetizing, promoting fluid production and quenching thirst; Regular consumption can also nourish blood, tonify kidney and strengthen yang, enhance physical fitness and improve immunity.
Then how can we pick sweet and thin sweet potatoes?
1, look at the surface
Peel off the skin of the sweet potato, carefully observe whether there are moldy, dry knots, dark spots, etc., and the body shape should be even and undamaged. It is a necessary condition for high quality sweet potato.
Step 2 be fresh
Fresh sweet potatoes often have a halo of earth, which is difficult to pinch, indicating that they are not fresh.
Step 3: Weigh hard.
Two sweet potatoes of the same size are weighed. The lighter the weight, the higher the cassava starch content and the less the moisture, so the sweet potatoes taste good. If the weight is heavy, the taste will be worse.
Step 4 look at the bunker
If there are many pits or pits with soil around the root of sweet potato, make sure that sweet potato has enough powder; If the surface looks smooth, the taste is not easy to be good.
Step 5 look at the roots
Cut a hole in the root of sweet potato with a knife. If a viscous and transparent liquid is discharged, and it can quickly dry and be powdery, it is a good sweet potato.
6. Look at these lines
Generally, the store will cut the big sweet potato in half for sale, so it depends on its cross section. The denser the dark purple lines, the better, indicating that sweet potatoes are eating soup powder. The rarer the lines in the cross section, the bigger the blank, indicating that sweet potatoes are not delicious.