Roasted groundnuts are a street food, but they can also be eaten as a meal to satisfy hunger, and the price is very cheap. In the cold winter, see the steaming oven, think of the color of the red skin and yellow flesh, hot, sweet and soft taste, many passers-by will buy a few pieces. Young women and children love them even more, and some even buy them for the elderly who don't often go out to satisfy their cravings. This food, which is called "toothless music," is a popular food even for people in their seventies and eighties. ☆ Nutrition of groundnut ☆ groundnut contains many vitamins, per 100 grams of vitamin B10.12 mg, vitamin B20.04 mg, vitamin C30 mg, containing 18 mg of calcium, phosphorus 20 mg, iron O.4 mg, niacin 0.5 mg, 0.5 grams of crude fiber, carbohydrates 29.5 grams, 1.8 grams of protein, 1.31 mg of carotene. With the role of harmony, water, spleen, Chinese medicine believes that groundnut is a water, spleen weight loss food. Groundnut has a slippery effect, can reduce fat absorption, and food groundnut can increase satiety, reduce the desire to eat, so as to achieve the purpose of weight loss and light body. Nowadays, China's top ten classic snacks - baked sweet potatoes, groundnuts, yams Nutritional value: yams, also known as sweet potatoes, sweet potatoes, sweet potatoes, red Ru, etc. are rich in mucin, carotene and vitamins and other nutrients, commonly known as the "earth ginseng", fitness and prevention of disease efficacy! ; yams contain a dehydroepiandrosterone, can prevent colon cancer and breast cancer, its anti-cancer role in the dual-use food first, the international nutritionists called it "longevity food". Li Shizhen's herbal medicine works "Compendium of Materia Medica" in the "sweet potato to make up for the lack of deficiency, beneficial gas, spleen and stomach strong kidney yin" records, and edible yams contain substances similar to estrogen, after consumption of skin moisturizing, softening, beauty effects. In short, the nutritional value of yams is very high, with nourishing Yin and kidney, anti-cancer, delay aging and many other roles, by Japan, Korea as the first anti-cancer fruits and vegetables, foreign nutritionists will be known as longevity food.