[1] In addition to the nutrients of ordinary sweet potatoes, it is also rich in selenium and anthocyanins. Purple sweet potato is rich in nutrients and has special health care functions. It contains about 20% protein, including 18 kinds of amino acids, which are easily digested and absorbed by the human body, including 8 kinds of vitamins such as vitamins C, B, and A, and more than 10 minerals such as phosphorus and iron. It contains a large amount of anthocyanins with high medicinal value. French scientist Dr. Masquelet discovered that anthocyanins are natural and powerful free radical scavengers. [4]

Anthocyanins have preventive and therapeutic effects on more than 100 diseases and are known as the seventh essential nutrient after water, protein, fat, carbohydrates, vitamins and minerals. Pictures of raw purple sweet potatoes

Anthocyanins are the most direct, effective and safe free radical scavengers discovered by the scientific community to prevent and treat diseases and maintain human health. Its ability to scavenge free radicals is greater than that of vitamin C. 20 times, 50 times that of vitamin E. Anthocyanins have a small molecular structure and are the only substances that can pass through the blood-brain barrier to remove free radicals and protect brain cells. At the same time, they can reduce some of the harm caused by antibiotics to the human body. Purple sweet potatoes will become one of the main raw materials of anthocyanins.

Purple sweet potato has high cellulose content. This substance can increase the volume of feces, promote gastrointestinal motility, clean up the mucus, gas and putrefaction retained in the intestinal cavity, and excrete toxic substances and carcinogens in the feces. Keep the stool smooth, improve the digestive tract environment, and prevent the occurrence of gastrointestinal diseases. Zinc, iron, copper, manganese, calcium and selenium in purple sweet potato are all natural, and the iron and calcium content are particularly high. Selenium and iron are essential elements for the human body to resist fatigue, anti-aging, and replenish blood. They have good health care functions. Selenium is also the "anti-cancer king". It is easily absorbed by the human body and effectively remains in the serum, repairs the myocardium, and enhances the body's immunity. It can remove free radicals that produce cancer in the body, inhibit the synthesis of DNA in cancer cells and the division and growth of cancer cells, and prevent the occurrence of gastric cancer, liver cancer and other diseases. Purple sweet potato porridge

The tender leaves of the stem tips of purple sweet potato are rich in vitamins, protein, trace elements, edible fiber and soluble non-oxidizing substances. Regular consumption has the effect of reducing weight