Yam is one of the oldest foods in the world, and it is also a very common food in our daily life. It can be used not only as staple food, but also as cooking and medicinal materials. The minerals in yam play an important role in the production of human blood cells. Dietary fiber in yam tuber can prevent toxic compounds from attaching to colon mucosa. In addition, vitamin A in yam can also protect human body from lung cancer and oral cancer. Yam can also improve the learning and memory ability of human brain, and has the functions of enhancing memory and stimulating brain function.

Onion (scientific name: onion), alias garlic, onion, onion, onion, onion and so on. It is a biennial herb of Liliaceae and Allium. Onion contains prostaglandin A, which can reduce peripheral vascular resistance and blood viscosity, and can be used for lowering blood pressure, refreshing, relieving stress and preventing colds. In addition, onion can also scavenge oxygen free radicals in the body, enhance metabolism, resist aging and prevent osteoporosis. It is a health food suitable for middle-aged and elderly people.

Chicken refers to the meat on chicken. Chicken is tender and delicious, suitable for many cooking methods, rich in nutrition and nourishing. Chicken is not only suitable for hot frying and stewing soup, but also suitable for cold food and cold salad. But avoid eating too much chicken wings and other chicken foods to avoid obesity.