Vegetables are usually classified on the basis of the part of the plant that is used for food. There are root vegetables, stem vegetables, edible tubers (underground stems), leaf and leafstalk vegetables, bulb vegetables, head or flower vegetables, fruits commonly considered vegetables by virtue of their use (cucumbers, eggplants, sweet corn), and seed vegetables (peas, beans).
What are the main types of vegetables?
What is the nutritional value of vegetables?
Most vegetables are low in calories and have a water content of over 70 percent, with only about 3.5 percent protein and less than 1 percent fat. Vegetables are good sources of minerals, especially calcium and iron, and vitamins, principally A and C. Nearly all vegetables are rich in dietary fiber and antioxidants.
