棉花是一种重要的经济作物,它不仅向人类提供优质的纤维和食用油,而且棉仁内含有丰富的蛋白质,提取棉油后的棉籽饼粕,含有40—50％的蛋白质及多种维生素,可用作高级营养食品,是一种宝贵的蛋白质资源。但目前各地栽培的棉花的棉仁内都含有对人、畜有毒的棉酚(棉毒素),这就限制了对蛋白质的利用,而且棉籽油也必须经过净化处理,不仅减少了3—4％的油,而且还增加了成本。 Cotton is an important cash crop. It not only provides human beings with high-quality fiber and cooking oil, but also contains abundant protein in cottonseed kernel. The cottonseed cake with cottonseed oil contains 40-50% of protein and various vitamins , Can be used as advanced nutrition food, is a valuable protein resources. However, cotton kernels cultivated in various places now contain toxic gossypol (cotton toxins) to humans and animals, which limits the use of protein and the cottonseed oil must also be purified to reduce not only 3-4% The oil, but also increased costs.