The application provides an extraction method of high-purity
type I collagen, and belongs to the technical field of biomedical materials. The application realizes efficient and stable extraction of
type I collagen by accurately selecting
process conditions, significantly improves the purity and extraction efficiency of the target product, and the obtained collagen has complete three-dimensional structure, extremely low
impurity residue and
water content, greatly improves the
biocompatibility and storage stability of the product, the method is simple in process, easy to control in condition, does not need complex large-scale equipment, is suitable for large-scale production, provides a reliable high-quality
raw material source for high-end
implant medical devices, and expands the application prospect of collagen in the field of
biomedicine.