PROCESS FOR PREPARING COLLAGEN EXTRACTS OF BOVINE CARTILAGE FOR MEDICAL USES

摘要

The invention relates to a process for preparing collagen extracts of bovine cartilage for medical uses. According to the invention, the process consists of an alkaline treatment applied to the raw material, bovine cartilage, with NaOH 1...5 M, related to the bath, for 5...8 h at the room temperature, followed by successive treatments with 1...10% hydrochloric acid, citric acid and lactic acid, respectively, mechanical processing, followed by filtration, homogenization and purification, to result in a gel of high purity, with a dry matter content of 1.3...2.6% and pH 2…4.