Purple sweet potato we are also called black potatoes. Purple sweet potato contains rich anthocyanin and sun-burning elements. In addition, purple potatoes also contain a variety of vitamins and amino acids. Purple potatoes have good antioxidant and anti-aging effects.
Food value
It is rich in protein, starch, pectin, cellulose, amino acids, vitamins and a variety of minerals. It is also rich in selenium and anthocyanins. Purple sweet potato is rich in nutrients with special health care functions. Protein amino acids are easily digested and absorbed by the body. Which is rich in vitamin A can improve vision and skin mucosal epithelial cells, vitamin C
It can make normal synthesis of collagen protein and prevent the occurrence of scurvy. Anthocyanin is a powerful natural free radical scavenger.
With the nutrient content of ordinary sweet potatoes, it is also rich in selenium, iron and anthocyanins. Ranked first in the anti-cancer vegetables announced by the National Vegetable Cancer Research Center of Japan. In addition, the purple sweet potato can also be processed into powder after drying and smashing, with beautiful color and rich nutrition. It is an excellent raw material for food processing and can be used as main ingredients or ingredients for various kinds of cakes. At the same time, purple sweet potatoes will also become one of the main raw materials of anthocyanins. Purple sweet potato from the shoots of young leaves to potato chips, have certain health functions, is currently pollution-free, green, organic food.
Food taboos
Purple sweet potato contains oxidase enzymes and is easy to produce gas. If you eat more, it will bloat, hiccup and fart.
Purple sweet potato has high sugar content. Eating more can stimulate the secretion of large amounts of gastric acid, making people feel heartburned.
Obstructed spleen and stomach, qi stagnation should be careful food.
Avoid eating only purple sweet potatoes, should be eaten together with high-quality protein food, nutrition more comprehensive.
Avoid raw food. Purple potatoes must be cooked and eaten again, because starch grains are difficult to digest without high temperature damage.
Medicinal value
Selenium and iron in purple sweet potato are essential elements in the human body for anti-fatigue, anti-aging, and blood-supplementation. In particular, selenium is known as the “anti-cancer king†and is easily absorbed by the body. It can stay in serum, repair the heart muscle, and enhance immunity. The elimination of free radicals in the body inhibits the synthesis of DNA in cancer cells and the division and growth of cancer cells, and prevents the occurrence of cancerous diseases such as gastric cancer and liver cancer.
Purple sweet potato is rich in cellulose, which increases fecal volume, promotes gastrointestinal motility, cleans up the retained mucus, accumulated gas, and putrefaction in the intestine, discharges toxic substances and carcinogens in the stool, keeps the stool open, improves the digestive tract environment, and prevents Occurrence of gastrointestinal diseases. In addition to the nutritious components of ordinary sweet potatoes, it also contains polysaccharides and flavonoids, and it is also rich in selenium and anthocyanins, and has certain functions of preventing hypertension, reducing liver dysfunction, and preventing cancer.
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