This paper reviews calpain and its function in meat tenderization. The assay method of meat calpain activity and factors affecting calpain activity are introduced.

• 介绍了与肉成熟有关的钙激活蛋白酶及其在肉嫩化中的作用、并对钙蛋白酶的活性测定方法、影响酶活性的因素等作了介绍.