Main Reaction: Cholesterol + O2 >> Cholest-4-en-3one + H2O2

Reference: PubMed ID: 23143624
Authors: Srisawasdi P, Prasertsincharoen N, Kroll MH
Title: Porcine pancreas: a superior source of cholesterol esterase for total serum cholesterol assay by the enzymatic kinetic method.
Published: 2012 Nov

Cholesterol + O2 --> Cholest-4-en-3one + H2O2