油菜子又称菜籽，是十字花科作物油菜的种子。菜籽蛋白主要集中在菜籽胚即两片子叶中，菜籽油脂提取后，饼粕中的蛋白质含量高达36%以上，因此，菜籽饼粕是一种丰富的蛋白质资源，且营养价值高，应用非常广泛。

Rapeseed, also known as rapeseed, is the seed of the cruciferous crop rape. Rapeseed protein is mainly concentrated in the rapeseed embryo, namely two cotyledon. After the extraction of rapeseed oil, the protein content of rapeseed meal is as high as 36%. Therefore, rapeseed meal is a rich protein resource with high nutritional value and is widely used.