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

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 60 9.05
Improvement 3.8 2.3 0.97
  1. *Enzymatic activity figures correspond to 70 hours of fermentation.