Reducing sugar content of saccharified extrudates was analyzed using the method of quadratic orthogonal rotating combinatorial design and the optimum parameters of extrusion system was obtained.

• 用二次正交旋转组合试验设计,对脱胚玉米挤压膨化物糖化后还原糖含量进行分析,得出良好的挤压膨化工艺参数。