Cholesterol reductase was discovered in certain green plant parts. The enzyme is known to be present in several bacteria that commonly inhabit the digestive tract of animals. Eubacteria species A.T.C.C. 21408 is one such cholesterol reductase-containing bacterium. It is concentrated from a homogenate, preferably of leaves of plants or from bacteria or other organisms to provide a cell-free, cholesterol reductase-enriched preparation that can be used to decrease cholesterol content of food substances
