In winter, northerners like to eat baked sweet potatoes, which are not only sweet in taste, but also very beneficial to their health preservation. But do you know that sweet potato leaves are also very nutritious? Experts will explain the maze for us. The results showed that every 100 grams of fresh sweet potato leaves contained 2.28 grams of protein, 0.2 grams of fat, 4. 1 g of sugar, 2.3 mg of potassium 1.6 mg of iron, 34 mg of phosphorus, 6.42 mg of carotene and 0.32 mg of vitamin C. Compared with ordinary vegetables, the contents of minerals and vitamins were superior, and the content of carotene was even higher than that of carrots. Therefore, the Asian Vegetable Research Center lists sweet potato leaves as a high-nutrient vegetable variety, which is called the vegetable queen. In recent years, a hot potato leaf has appeared in Europe, America, Japan, Hong Kong and other places. Food made from sweet potato leaves has even been put on the tables of hotels and restaurants. In China, there are no sweet potato leaves in city supermarkets. It is a great pity that farmers throw sweet potato leaves and stems in the field after harvest, or use them as feed for livestock. There are many ways to eat sweet potato leaves. Here is a brief introduction. Select fresh and tender leaf tips, blanch them with boiling water, and season them with sesame oil, soy sauce, vinegar, Chili oil, mustard and ginger juice. , to make cold salad, the appearance is light green, which can make people's appetite open. You can also fry sweet potato leaves with shredded pork, which is fragrant and sweet and has a unique flavor. In addition, sweet potato leaves can be used in soup or porridge. There are canned pickled sweet potato leaves for sale in Japanese market, and we can also add salt to make pickles and side dishes for auxiliary consumption. Finally, experts added that sweet potato leaves, that is, tender leaves at the top of seedling stems on the ground after sweet potato matures in autumn. Studies have found that sweet potato leaves have health care functions such as improving immunity, stopping bleeding, lowering blood sugar, detoxifying and preventing night blindness. Regular consumption of sweet potato leaves can prevent constipation, protect eyesight, keep skin delicate and delay aging.