Purple potato efficacy and food methods and taboos

The purple sweet potato is also called black potato, and the English name is PurplePotato. The potato meat is purple to dark purple. In addition to the nutrient components of ordinary sweet potatoes, it is also rich in selenium and anthocyanins. In recent years, purple sweet potato has become very popular in international and domestic markets, and its development prospects are very broad. Is the purple sweet potato really higher in nutritional value than ordinary sweet potato?

Purple sweet potato is more anthocyanin than sweet potato

Dietitians pointed out that compared with common sweet potatoes and sweet potatoes, purple sweet potatoes have little difference in protein and sugar, and the only difference is his color. The purple color of purple potatoes is mainly due to the "anthocyanin" they contain.

Purple sweet potato, sweet potato and sweet potato are rich in protein, starch, sugar, amino acids, pectin, cellulose, and vitamin A/B/C, as well as various natural minerals. In addition, purple sweet potato also contains sweet potatoes. Anthocyanins are not available, which is why purple potatoes are purple. Anthocyanin is a powerful natural free radical scavenger. It has the ability to scavenge free radicals 20 times that of vitamin C and 50 times that of vitamin E. It has preventive and therapeutic effects on more than 100 diseases. In simple terms, anthocyanins can protect the liver, enhance blood vessel elasticity, and prevent cardiovascular and cerebrovascular diseases.

One, the effect of purple sweet potato

1, high levels of selenium and zinc, antioxidant, prevent cancer

The content of selenium and zinc in purple sweet potatoes is 3 to 8 times higher than that of sweet potatoes in general, which is the key to its top ranking in anti-cancer foods. Selenium is an essential component of several antioxidant enzymes and has a role in the prevention of cancer; it can delay aging, prevent the occurrence of certain chronic diseases, and has resistance by eliminating lipid peroxides from blocking the pathogenic effects of reactive oxygen species and free radicals. The role of AIDS.

Zinc, which is also a component or activator of many antioxidant enzymes, has the effect of preventing free radical damage and maintaining normal immune function. Zinc can also maintain cell membrane stability, reduce toxin absorption and tissue damage. Zinc has a regulatory function in tissue metabolism that regulates protein synthesis and metabolism, modulates immune function, and regulates hormones, such as the synthesis and release of insulin, and participates in the prostaglandin secretion process. Zinc is also an essential factor in DNA synthesis and participates in the division and proliferation of all cells, promoting growth and tissue regeneration.

2, rich in potassium and iron, oxygen for the body, stable blood pressure

In addition to the nutritional advantages of potato in general, purple sweet potato is rich in micronutrients such as potassium and iron, which significantly improves its health effects. Especially for modern people to prevent chronic non-communicable diseases, it has extremely important significance. Potassium is one of the most important nutrients in the human body and plays a crucial role in maintaining the normal metabolism of sugar and protein. At the same time, by its function of relaxing blood vessels and promoting sodium excretion, potassium plays an indispensable role in the process of smoothing blood pressure; while iron participates in the formation and maturation of cells in the human body and maintains normal hematopoietic function. Iron binds to proteins in the body to form hemoglobin and myoglobin; it transports oxygen to tissues and organs of the body.

3, rich in anthocyanins to prevent many diseases

Anthocyanins have high health effects and no side effects. The color of purple sweet potato comes from anthocyanins, which are naturally powerful free radical scavengers. A large number of studies have confirmed that anthocyanins have preventive and therapeutic effects on over 100 diseases, and their ability to scavenge free radicals is 20 times that of vitamin C and 50 times that of vitamin E. Anthocyanins can scavenge free radicals through the blood-brain barrier, thereby protecting brain tissue and reducing the side effects of antibiotics on the human body.

4, high cellulose content, promote digestion

Purple cellulose has a high content of cellulose. This type of substance can increase the volume of feces, promote gastrointestinal motility, clean up the mucus retained in the intestine, product gas, and putrefaction, excrete toxic substances and carcinogens in the stool, keep the stool open, and improve the digestive tract. Environment to prevent gastrointestinal diseases.

5, rich in vitamins, bodybuilding, fitness

Purple sweet potato stem tip leaves are rich in vitamins, proteins, trace elements, edible fiber and soluble non-oxidized substances, regular consumption has the effect of weight loss, fitness and fitness against cancer.

Second, the healthy recipe of purple sweet potato

1, purple sweet potato white fungus soup

In the autumn morning, drinking a bowl of hot purple sweet potato white fungus soup is indeed a very beautiful thing and can be done the night before. Tremella fuciformis is good, add water and simmer for an hour, then add purple sweet potato, red dates, pear slices and rock sugar, and then stew for half an hour can turn off the heat, sticky, very delicious.

Efficacy and effect: moistening blood

2, purple sweet potato pumpkin syrup

Practice: Peel the pumpkin and cut seeds into small pieces. Purple potatoes are peeled and cut into small pieces. Then put the squash and purple sweet potato into the pot, add the appropriate amount of water, and boil it over a small heat and stew. See the pumpkin and purple potato boiled, add a small amount of rock sugar or brown sugar to melt, it is definitely the best warm drink this season.

Efficacy and Role: Iron masters can prevent anemia, reduce lead absorption, and increase body resistance.

3, purple sweet potato porridge

Practice: Choose a purple potato, purple rice, white fungus, a few red dates, a little sugar osmanthus. The practice is also very simple, first wash the purple rice with cold water for 2 hours, red dates to the core, purple potato peeled and cut into small pieces. Then first pour the purple rice into a casserole and add water to the fire to boil more rice and purple sweet potatoes. After the boil, turn off the low heat until you boil the soft boiled sweet osmanthus and red dates and boil for 2 minutes.

Efficacy and role: beauty, beauty, appetizing, detoxification and slimming, suitable for this season.

Tips: purple sweet potato and purple rice are natural pigments, and because anthocyanins are easily soluble in water, so do not worry about the thick purple, purple rice should not be too much washing, so as not to lose a lot of this most important component of anthocyanins.

Third, purple sweet potato food taboo

1, purple potato contains oxidase, easy to produce gas, eat more will bloating, hiccup, fart.

2, purple sweet potato sugar content, eat more can stimulate a large number of gastric acid secretion, make people feel heartburn.

3, wet resistance stomach, qi stagnation should be careful food.

4, avoid eating single purple sweet potato, should be eaten with high-quality protein food, nutrition more comprehensive.

5, avoid eating raw. Purple potatoes must be ripe to eat, because the starch grains are difficult to digest without high temperature damage

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