Table 2.

Kinetic parameters for the hydrolysis of polysaccharides at 25°C by psychrophilic and mesophilic α-amylases. Adapted from [181].

Substrate	Psychrophilic α-amylase			Mesophilic α-amylase
	k cat	K m	k cat/K m	k cat	K m	k cat/K m
	s−1	mg L−1	s−1 mg−1 L	s−1	mg L−1	s−1 mg−1 L
Starch	663	155	4.3	327	41	8.0
Amylopectin	636	258	2.5	222	53	4.2
Amylose	2148	178	12.1	700	36	19.4
Dextrin	716	586	1.2	311	61	5.1
Glycogen	491	1344	0.3	193	46	4.2