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US 12,344,769 B2Granted
Method for extracting gelatin
AssigneeNovozymes A/S
InventorsMingzhu Wang, Yu Zhang, Yazhen Wang
Life of this patent
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Abstract
Provided is an enzymatic method of extracting high quality gelatin from collagen containing material.
Claims9
A method for extracting gelatin, comprising:
- (a) demineralizing a collagen containing material to produce ossein;
- (b) grinding the ossein to particles that can pass 10 meshes sieves;
- (c) incubating the ground ossein in the presence of an effective amount of a protease, and
- (d) extracting the gelatin from the ground ossein, wherein the protease is a metalloprotease belonging to family M35 and comprises of an amino acid sequence having at least 85% identity to amino acids 1-177 of the amino acid sequence SEQ ID NO:
- 1.
2 more elements
Dependencies are inferred from the claim text.