小麦是我国主要的粮食作物之一,小麦加工的主要产品——小麦粉,即面粉是人们食物结构的主要组成部分。也是人体营养的主要来源。小麦子粒的结构是由皮层、胚乳、胚三部分组成。皮层即麦皮,共分为六层,约占麦粒重量的12.5-15.0％。胚乳是小麦子粒储存营养的部分,供胚芽发育生长,胚乳细胞内充满着淀粉和蛋白质,其重量占麦粒重量的78～85％;麦胚是麦粒的重要组成部分,是新生一代麦 Wheat is one of the main food crops in our country. Wheat flour, the main product of wheat processing, is the main component of people’s food structure. It is also the main source of human nutrition. Wheat grain structure is composed of cortex, endosperm, embryo three parts. Cortex that is the skins, is divided into six layers, accounting for 12.5-15.0% of grain weight. Endosperm is a part of wheat grain storage nutrition for germ development and growth, endosperm cells filled with starch and protein, the weight of wheat grains accounted for 78 to 85% by weight; wheat germ is an important component of wheat is a new generation of wheat