METHOD FOR PRODUCING COLLAGEN PEPTIDE FROM FISH SCALE

Japanese Patent JP2006000089

A

To provide a method for producing a collagen peptide that can produce the collagen peptide from fish scales by using an enzymatic hydrolysis in which the production steps are shortened to reduce the production cost and the collagen peptide can be extracted in a high concentration.

Fish scales are enzymatically hydrolyzed with a protease and an enzyme that can decompose fish scale structures to obtain the collagen peptide. At this time, the collagen peptide is extracted from fish scales through multi stage enzymatic hydrolyses, and the enzyme that can decompose fish scales is employed at the final step. Thereby the collagen peptide can be obtained in high yield. On a midway of the enzymatic decomposition, fish scales are preferably added as a raw material. Keratinase or chitinase is preferably used as the enzyme for decomposing the fish scale structure. The fish scales comprise those that are decalcified in an acidic area and the protease has the optimal pH on the acidic side.

WO/2002/014341	8 HUMAN SECRETED PROTEINS
JP4751829	A method of uncoupling reaction scale and protein synthesis efficiency in batch mode
JP2000046833	ASSAY, RECEPTOR PROTEIN NYK, AND LIGAND

ISHII NAOKI
OHARA HITOSHI
NAKANO TOSHIMI

JP2004182854A

January 05, 2006

June 21, 2004

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JELLICE CO LTD

C12P21/06; A23J3/06; A23J3/34

JP2003327599A	2003-11-19
JP2004057196A	2004-02-26
JPH05125100A	1993-05-21
JP2003238598A	2003-08-27
JP2003327599A	2003-11-19
JP2004057196A	2004-02-26
JPH05125100A	1993-05-21
JP2003238598A	2003-08-27

Patent Service Corporation Patent Office Sykes
Atsushi Suda

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