The substrate specificity of TfMA toward amylose and amylopectin
was investigated through the determination of related kinetic parameters
(Table 1). The Km value for the hydrolysis of amylose was
4.63 mg mL−1, while that for amylopectin was 13.44 mg mL−1. This
indicated that TfMA has a higher affinity to amylose than amylopectin.