在一般玉米籽粒的种皮下,有一层糊粉层,其中含有维生素乙和高质量蛋白质。美国发现生长在安第斯山脉东麓的“科罗耶科”(Coroico)原始种玉米具有很厚的糊粉层,比美国现有的商品玉米品种厚2—5层。这种玉米,可以作为亲本材料,以改进杂交种玉米的营养价值。“科罗耶科”的15个样品,平均糊粉层为3.7层细胞,占玉米粒重的3.4%。在其他玉米中,糊粉层是1层细胞,占玉米粒重的2%。糊粉层的重量与细 Under the seed coat of a typical corn grain, there is a layer of aleurone, which contains vitamin B and high-quality protein. The United States found that Coroico’s original maize, grown in the eastern foot of the Andes, had a thick layer of aleurone, about 2-5 layers thicker than the existing commercial maize varieties in the United States. This kind of corn can be used as the parent material to improve the nutritional value of the hybrid corn. The 15 samples of “Corojevo” had an average of 3.7 layers of aleurone, accounting for 3.4% of kernel weight. In other maize, aleurone is a layer of cells, accounting for 2% of kernel weight. Plaster layer weight and fine