大豆是一种经济价值很高,用途很广的作物。多种大豆的好处是很多的: 第一,大豆营养价值很高。大豆的籽粒一般含有蛋白质40％,脂肪20％。蛋白质的含量比小麦、大米、玉米高2.5～5倍;一斤大豆所含的蛋白质,相当于2斤牛肉,2.5斤鸡蛋,或15斤牛奶的含量。而且大豆的蛋白质是完全蛋白质,还含有人们所必需的8种氨基酸,最易为人的机体所摄取。大豆还有丰 Soybeans are a highly economic and widely used crop. The benefits of a variety of soybeans are many: First, the high nutritional value of soybeans. Soybean grains generally contain 40% protein, fat 20%. Protein content of 2.5-5 times higher than wheat, rice, corn; pound of soy protein contained, equivalent to 2 pounds of beef, 2.5 pounds of eggs, or 15 pounds of milk content. And soy protein is completely protein, but also contains the necessary 8 kinds of amino acids, the most easily taken by the human body. Soybean abundance