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US 2019/0055303 A1Published application
Method for preparing low endotoxin collagen
AssigneeGuangdong Victory Biotech Co., Inc.
InventorsChen-Chih Tsai, Kuan-Yen Tung
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Abstract
A method for preparing low endotoxin collagen is disclosed. The method includes the following steps: providing an animal skin, removing residual adipose tissues and muscle tissues, swelling the animal skin by alkaline solution, peeling the upper and lower surfaces of the animal skin, hydrolyzing the animal skin by a solution including hydrolase, salting out the low endotoxin collagen by salt solutions, and washing the low endotoxin collagen by alcohols.
Claims10
A method for preparing low endotoxin collagen, including the following steps:
- providing an animal skin;
- removing residual adipose tissues and muscle tissues of the animal skin;
- swelling the animal skin by an alkaline solution or a buffer solution;
- peeling the upper and lower surfaces of the animal skin;
- hydrolyzing the animal skin by a solution including a hydrolase;
- salting out a low endotoxin collagen by a salt solution;
- and
- washing the low endotoxin collagen by an alcoholic solution.
5 more elements
Dependencies are inferred from the claim text.