Sweet potato-commonly known as sweet potato, sweet potato, sweet potato and purple potato. Rich in nutrition, it can not only replace rice as a staple food, but also be used as a side dish to accompany meals. According to ancient Chinese medical records, sweet potato is sweet, flat and nontoxic, and enters the spleen and kidney; Has the effects of tonifying deficiency, invigorating qi, strengthening spleen and stomach, and strengthening kidney yin. It can promote blood circulation, stop bleeding, promote fluid production to quench thirst and relieve constipation. ...
Health care function of sweet potato and purple potato
■ Sweet potato purple potato has anti-cancer effect.
The most anticancer nutrients in the diet are β -carotene (the precursor of vitamin A), vitamin C and folic acid, and purple sweet potato is rich in these three kinds. A small sweet potato, purple sweet potato (about 2 times), can provide 2 times of daily vitamin A, 65438+ 0/3 of daily vitamin C, and about 50 micrograms of folic acid. The content of dietary fiber is higher than a bowl of oatmeal.
■ Sweet potato and purple potato are good for the heart.
Sweet potato. Purple sweet potato is rich in potassium, beta-carotene, folic acid, vitamin C and vitamin B6, all of which help to prevent cardiovascular diseases. In addition, potassium can also maintain the balance of liquid and electrolyte in human cells and maintain normal blood pressure and heart function.
■ Sweet potato and purple potato have slimming and beauty effects.
Sweet potato. Purple potato produces only one-third of the heat of rice with the same weight, and it contains almost no fat and cholesterol. Often eat sweet potatoes. Purple sweet potato is beneficial to human health and has a certain weight loss effect. In addition, sweet potato and purple potato contain a substance similar to estrogen, which can effectively protect human skin and delay facial aging. So many foreign women regard sweet potato and purple potato as beauty food.
In fact, you don't have to worry about this, just because it contains almost no fat and cholesterol, so there are not many extra calories, and there is no other harm, just eating the same amount of food absorbs less calories! ! ! )
The Best Sweet Potato-Purple Sweet Potato
Unique function of purple sweet potato
Purple sweet potato is rich in nutrition and has special health care function, ranking first in the anti-cancer vegetables recently announced by Japan National Vegetable Cancer Research Center.
■ Nutritional components of purple sweet potato
Purple sweet potato contains about 20% protein, including 18 kinds of amino acids easily digested and absorbed by human body, including 8 kinds of vitamins such as vitamin C, vitamin B and vitamin A, and more than 10 kinds of mineral elements such as phosphorus and iron. More importantly, it contains a large number of anthocyanins with peculiar efficacy and high medicinal value.
■ The magical properties of anthocyanins
According to the book Health Research, French scientist Dr. Masquerel discovered that anthocyanin is a powerful natural free radical scavenger, and obtained a patent in the United States (patent number: 4.698.360). Experiments by scientists from all over the world have proved that anthocyanins have preventive and therapeutic effects on 100 diseases, and are known as anthocyanins after water, protein, fat, carbohydrates, vitamins and minerals.
■ Practical verification of the efficacy of purple sweet potato
During the period of 10 from 2005 to March 2006, the researchers conducted the experiment of eating purple sweet potato for 120 people in 36 families. It was found that the blood pressure of hypertensive elderly people was effectively controlled after eating purple potato, and the blood pressure of 140/90MMHG dropped below the normal range. Young people insist on eating purple potatoes, which is healthier and can resist the radiation of computers. The symptoms of patients with chronic gastrointestinal diseases have also been significantly alleviated. More interestingly, two chubby people in the survey, one is 9 years old and the other is 12 years old. After eating purple potato for several months, the posture has obviously changed, and it has become thinner and taller. This is mainly because purple sweet potato is rich in trace elements and has calcium to promote the growth of children's bones. You can make all kinds of cakes.
In addition, in the short period of eating sweet potatoes and purple potatoes, it is not advisable to eat persimmons, tomatoes, crabs, drink white wine and bananas.