Extraction medium for extracting cholesterol and process for the preparation thereof

摘要

The extraction medium contains the following components in parts by mass: phosphatidylcholine 1 mixture of polypropylene glycol and polyethylene glycol having a molecular mass of 2000 to 9000 0.1 to 0.4 cetyltrimethylammonium bromide 0.002 to 0.04 in aqueous medium. The content of phosphatidylchloline in 1 ml is 10 to 35 mg. The extraction medium is prepared by the action of ultrasound on the said mixture.