The variations of polysaccharide content and zymogram and activity of peroxidase, esterase and amylaseisozyme were related to the periodicity of cambial activity.
过氧化物酶、酯酶和淀粉酶的同工酶酶谱及活性，以及多糖颗粒的贮量都随形成层活动周期的变化而变化。
2
Oula sheep were used to investigate the polymorphism character of isozyme of serum amylase by means of polyacrylamide gel electrophoresis.