Research Article

Immobilization of Alkaline Collagenase from Bacillus subtilis onto Sulfonated Polystyrene Nanospheres for Hydrolysis of Tilapia Collagen

Table 4

Results of confirmatory experiments.

Parameter combinationImmobilization ratio of protein (%)Specific activity (U/μg)

A3B1C194.78 ± 0.78162.26 ± 14.28
A1B2C373.48 ± 0.26274.05 ± 15.52