They have been an important protein source in the orient for over five thousand years. soybeans have only been introduced to the western world since the 20th century.
Soy Beans is an important source of high quality and inexpensive protein and oil. with an average protein content of 40% and oil content of 20%, soybean has the highest protein content of all food crops and is second only to groundnuts in terms of oil content amongst food legumes. the oil produced from soybean is highly digestible and contains no cholesterol.