1, root vegetables mainly refers to the use of part of the root or stem, such as turnips, carrots, root mustard, turnip greens, turnips, horseradish, American horseradish, burdock, jicama, sweet potatoes, kudzu, lettuce, wild rice, stems of mustard, bulbous kale (skunk cabbage), stone Diao Bai, bamboo shoots, parsnips, potatoes, chrysanthemums, grass stoneworms, silverbeet, lotus root, ginger, Xianghuo and so on.

2, vegetables are a class of plants or mushrooms that can be cooked and cooked into food, vegetables are one of the essential foods in people's daily diet. Vegetables can provide a variety of essential vitamins and minerals and other nutrients.

3, according to the International Food and Agriculture Organization of the 1990 statistics, the human body must be 90% of the VC, VA 60% from vegetables. In addition, there are a variety of vegetables in a variety of phytochemicals, is recognized as an effective component of health, the current nutrients in fruits and vegetables can be effective in the prevention of chronic, degenerative diseases of a variety of substances, is being discovered by people's research.