黑小麦与其它黑色作物一样,是指子粒颜色较深的小麦。紫粒与蓝粒小麦等都通称为黑小麦。黑小麦的种子在植物学上称为颖果,由胚、胚乳和皮层三部分组成。皮层包括果皮和种皮,约占种子重量的5%～7.5%,皮层的厚度因栽培条件和品种而异,皮层厚的比皮层薄的出粉率稍低。皮层是一种保护组织,保护 Black wheat, like other black crops, refers to the darker grain of wheat. Purple and blue grain wheat are commonly known as black wheat. Black wheat seeds in the botanical called caryopsis, embryo, endosperm and cortex consists of three parts. The cortex includes pericarp and seed coat, accounting for 5% ~ 7.5% of the weight of the seed. The thickness of the cortex varies with the cultivation conditions and varieties, and the cortical thickness is slightly lower than that of the cortex. The cortex is a protective tissue that protects