To obtain the water-soluble dietary fiber of corn,xylanase is used to degrade the seed coat of corn which is pretreated by amylase and protease.

• 利用木聚糖酶对脂肪酶、淀粉酶、蛋白酶预处理后的玉米种皮进行酶解,制备水溶性膳食纤维,并对所得膳食纤维进行气相色谱分析。