From: Rhodococcus erythropolis ATCC 25544 as a suitable source of cholesterol oxidase: cell-linked and extracellular enzyme synthesis, purification and concentration
COX activity (U/ml)*
Emulsification cholesterol method
Cell-linked
extracellular
Dry weight (mg/ml)
Spray-dry
230
140
8.75
At the flame
60
9.05
Improvement
3.8
2.3
0.97