Title:
FUNCTIONAL HYDROGEL
Document Type and Number:
WIPO Patent Application WO/2013/021836
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a non-fluid functional hydrogel which is formed from keratin; and a method for producing the functional hydrogel. The problem can be solved by a method for producing a functional hydrogel, which comprises the steps described below, and a functional hydrogel which is produced by the production method.
(1) A step wherein a reducing agent for converting a disulfide bond to a thiol group is added to a keratin-containing material, so that keratin is extracted.
(2) A step wherein a protein stabilizer for preventing a thiol group from re-forming a disulfide bond is added to the keratin-containing material.
(3) A step wherein the keratin is purified by removing the protein stabilizer, thereby obtaining a keratin solution.
(4) A step wherein a functional hydrogel is produced by concentrating the keratin solution.
Inventors:
TANABE TOSHIZUMI (JP)
TACHIBANA AKIRA (JP)
TACHIBANA AKIRA (JP)
Application Number:
PCT/JP2012/069105
Publication Date:
February 14, 2013
Filing Date:
July 27, 2012
Export Citation:
Assignee:
UNIV OSAKA CITY (JP)
TANABE TOSHIZUMI (JP)
TACHIBANA AKIRA (JP)
TANABE TOSHIZUMI (JP)
TACHIBANA AKIRA (JP)
International Classes:
C08H1/06; A61K47/42; A61L27/00; C07K1/14; C08J3/00
Foreign References:
| JP2003012807A | 2003-01-15 | |||
| JP2003516775A | 2003-05-20 | |||
| JP2006111667A | 2006-04-27 | |||
| JPH08502082A | 1996-03-05 | |||
| JPH04189832A | 1992-07-08 | |||
| JPH04189833A | 1992-07-08 | |||
| JP2007527277A | 2007-09-27 |
Attorney, Agent or Firm:
SHOJI, Takashi et al. (JP)
Takashi Shoji (JP)
Takashi Shoji (JP)
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Claims: