Rhodococcus erythropolis ATCC 25544 as a suitable source of cholesterol oxidase: cell-linked and extracellular enzyme synthesis, purification and concentration

Table 1 Effect of the cholesterol emuIsification method on the production of COX.

	COX activity (U/ml)^*
Emulsification cholesterol method	Cell-linked	extracellular	Dry weight (mg/ml)
Spray-dry	230	140	8.75
At the flame	60	60	9.05
Improvement	3.8	2.3	0.97

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