How much do plants contribute to the human diet?

Introduction and Historical Background Read more from
Chapter Plant World

A 14-leafed white clover (Trifolium repens) and a 14-leafed red clover (Trifolium pretense) have been found in the United States.

In the United States and Western Europe approximately 65 percent of a human being’s total caloric intake and 35 percent of consumed protein are obtained from plants or plant products. Soybeans are an example of a plant with high protein content. In developing nations almost 90 percent of calories and more than 80 percent of protein in a person’s diet are from plants.


This is a web preview of the "The Handy Science Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App