中文摘要：

研究Neutrase、Acalase 2.4 L、Papain、Pepsin、Trypsin、Flavourzyme、Acid protease、Protamex与Bromelain 9种蛋白酶水解大米蛋白的进程特性,考察9种蛋白酶水解物的免疫活性。结果表明,胰脏蛋白酶Trypsin可作为制备大米免疫活性肽的最适水解酶,Trypsin酶解物对小鼠巨噬细胞（RAW264.7）的增值指数（stimulating index,SI）为1.597（1 000μg/m L）;其酶解物中相对分子质量〈1 000的组分比例最高,达到74.11%。

英文摘要：

The hydrolysis processes of rice protein by had been studied 9proteinases including Neutrase,Acalase 2.4 L,Papain,Pepsin,Trypsin,Flavourzyme,Acid protease,Protamex and Bromelain,and the immune activities of 9 protein hydrolysate had been considered.The results showed that Trypsin can be used as the optimum hydrolytic enzymes for the preparation of rice immune active peptide whose value-added index（stimulating index,SI） to mice macrophage（RAW264.7） is 1.597（1000 μg / m L）; the enzymatic hydrolysis had the highest percentage of components with relative molecular mass 〈1 000,to 74.11%.