JPS57109797A - Preparation of low-molecular weight keratinous substance - Google Patents
Preparation of low-molecular weight keratinous substanceInfo
- Publication number
- JPS57109797A JPS57109797A JP18719080A JP18719080A JPS57109797A JP S57109797 A JPS57109797 A JP S57109797A JP 18719080 A JP18719080 A JP 18719080A JP 18719080 A JP18719080 A JP 18719080A JP S57109797 A JPS57109797 A JP S57109797A
- Authority
- JP
- Japan
- Prior art keywords
- reduced
- fibrous
- keratin
- substance
- hydrolase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To obtain an oligokeratin useful as a cosmetic base material for hair, etc. at a low cost without requiring the purifying step, by treating a fibrous reduced keratin reduced without collapsing the orginal fibrous shape with a proteolytic hydrolase.
CONSTITUTION: A fibrous keratin, e.g. wool, feather or hair, is reduced in a reaction medium, e.g. water and/or an alcohol, with the original fibrous shape retained. The reduced fibrous keratin is then hydrolyzed with a proteolytic hydrolase, preferably an acidic enzyme, e.g. pepsin, in water at 35W40°C at a pH ≤6 to give the aimed oligokerationous substance. The reducing reaction is preferably carried out with a reducing agent, e.g. mercaptoethanol, at a pH of 1W8 in an inert gas, e.g. nitrogen.
EFFECT: No use of a swelling agent or dissolution assistant is required for the keratinous substance, and the reduced keratin is easily separated.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18719080A JPS57109797A (en) | 1980-12-26 | 1980-12-26 | Preparation of low-molecular weight keratinous substance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18719080A JPS57109797A (en) | 1980-12-26 | 1980-12-26 | Preparation of low-molecular weight keratinous substance |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57109797A true JPS57109797A (en) | 1982-07-08 |
JPS6257319B2 JPS6257319B2 (en) | 1987-11-30 |
Family
ID=16201675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18719080A Granted JPS57109797A (en) | 1980-12-26 | 1980-12-26 | Preparation of low-molecular weight keratinous substance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57109797A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0311099A (en) * | 1989-06-06 | 1991-01-18 | Seiwa Kasei:Kk | Hydrolyzed keratin, its production and cosmetic base consisting of hydrolyzed keratin |
US6544548B1 (en) | 1999-09-13 | 2003-04-08 | Keraplast Technologies, Ltd. | Keratin-based powders and hydrogel for pharmaceutical applications |
US7501485B2 (en) | 2002-01-28 | 2009-03-10 | Keraplast Technologies, Ltd. | Bioactive keratin peptides |
US8258093B2 (en) | 2006-02-17 | 2012-09-04 | Wake Forest University Health Sciences | Wound healing compositions containing keratin biomaterials |
US8299013B2 (en) | 2006-02-17 | 2012-10-30 | Wake Forest University Health Sciences | Clotting and healing compositions containing keratin biomaterials |
US8545893B2 (en) | 2010-03-08 | 2013-10-01 | Wake Forest University Health Sciences | Keratin biomaterials for treatment of ischemia |
US8637231B2 (en) | 2004-08-17 | 2014-01-28 | Wake Forest University Health Sciences | Method for increasing the volume of a blood substitute with an expander comprising basic alpha keratose |
US8920827B2 (en) | 2005-10-21 | 2014-12-30 | Wake Forest University Health Sciences | Keratin bioceramic compositions |
US8968764B2 (en) | 2006-02-10 | 2015-03-03 | Wake Forest University Health Sciences | Nerve regeneration employing keratin biomaterials |
US9045600B2 (en) | 2009-05-13 | 2015-06-02 | Keraplast Technologies, Ltd. | Biopolymer materials |
US9068162B2 (en) | 2007-08-17 | 2015-06-30 | Wake Forest University Health Sciences | Keratin biomaterials for cell culture and methods of use |
US9220754B2 (en) | 2010-11-17 | 2015-12-29 | Wake Forest University Health Sciences | Keratin compositions for treatment of bone deficiency or injury |
US10434213B2 (en) | 2010-03-05 | 2019-10-08 | Wake Forest University Health Sciences | Controlled delivery system |
-
1980
- 1980-12-26 JP JP18719080A patent/JPS57109797A/en active Granted
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0311099A (en) * | 1989-06-06 | 1991-01-18 | Seiwa Kasei:Kk | Hydrolyzed keratin, its production and cosmetic base consisting of hydrolyzed keratin |
US6544548B1 (en) | 1999-09-13 | 2003-04-08 | Keraplast Technologies, Ltd. | Keratin-based powders and hydrogel for pharmaceutical applications |
US7501485B2 (en) | 2002-01-28 | 2009-03-10 | Keraplast Technologies, Ltd. | Bioactive keratin peptides |
US8637231B2 (en) | 2004-08-17 | 2014-01-28 | Wake Forest University Health Sciences | Method for increasing the volume of a blood substitute with an expander comprising basic alpha keratose |
US8920827B2 (en) | 2005-10-21 | 2014-12-30 | Wake Forest University Health Sciences | Keratin bioceramic compositions |
US11173233B2 (en) | 2005-10-21 | 2021-11-16 | Wake Forest University Health Sciences | Keratin bioceramic compositions |
US9968706B2 (en) | 2006-02-10 | 2018-05-15 | Wake Forest University Health Sciences | Nerve regeneration employing keratin biomaterials |
US8968764B2 (en) | 2006-02-10 | 2015-03-03 | Wake Forest University Health Sciences | Nerve regeneration employing keratin biomaterials |
US8273702B2 (en) | 2006-02-17 | 2012-09-25 | Wake Forest University Health Sciences | Wound healing compositions containing keratin biomaterials |
US9149566B2 (en) | 2006-02-17 | 2015-10-06 | Wake Forest University Health Sciences | Coatings and biomedical implants formed from keratin biomaterials |
US8299013B2 (en) | 2006-02-17 | 2012-10-30 | Wake Forest University Health Sciences | Clotting and healing compositions containing keratin biomaterials |
US10821211B2 (en) | 2006-02-17 | 2020-11-03 | Wake Forest University Health Sciences | Coatings and biomedical implants formed from keratin biomaterials |
US8258093B2 (en) | 2006-02-17 | 2012-09-04 | Wake Forest University Health Sciences | Wound healing compositions containing keratin biomaterials |
US9068162B2 (en) | 2007-08-17 | 2015-06-30 | Wake Forest University Health Sciences | Keratin biomaterials for cell culture and methods of use |
US9045600B2 (en) | 2009-05-13 | 2015-06-02 | Keraplast Technologies, Ltd. | Biopolymer materials |
US10434213B2 (en) | 2010-03-05 | 2019-10-08 | Wake Forest University Health Sciences | Controlled delivery system |
US8545893B2 (en) | 2010-03-08 | 2013-10-01 | Wake Forest University Health Sciences | Keratin biomaterials for treatment of ischemia |
US9220754B2 (en) | 2010-11-17 | 2015-12-29 | Wake Forest University Health Sciences | Keratin compositions for treatment of bone deficiency or injury |
Also Published As
Publication number | Publication date |
---|---|
JPS6257319B2 (en) | 1987-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57109797A (en) | Preparation of low-molecular weight keratinous substance | |
TR199700872A2 (en) | Use of complex lipids. | |
EA199900486A1 (en) | APPLICATION OF SPHINGOMYELINASE FOR INCREASING THE LEVELS OF CERAMIDES IN THE SKIN AND MICROSCOPIC SHELLS, AND ALSO CONTAINING ITS DERMATOLOGICAL AND COSMETIC COMPOSITIONS THAT ARE RELIABLE FOR LOCAL APPLICATION | |
ATE107850T1 (en) | HEALING WATER LIPOSOMES STABILIZED IN A DNA GEL. | |
IL103187A (en) | Method and kit for dyeing hair | |
ES2065906T3 (en) | PROTEIN PRODUCTION IN ACTIVE FORMS. | |
JPS5721311A (en) | Novel cold-wave lotion | |
IT1121914B (en) | PROCEDURE FOR THE PREPARATION OF UROKINASE IN THE PURE STATE | |
JPS55153778A (en) | Epoxysuccinylamino acid derivative | |
JPS5630909A (en) | Preparation of keratin hydrolyzate | |
HUP9802531A2 (en) | Method of mobilizing hematopoietic stem cells | |
ATE183385T1 (en) | LYOPILIZED EMULSION CONTAINING ACTIVE INGREDIENTS | |
JPS535065A (en) | Treatment of exhaust gas containing hydrocyanic acid | |
EP0013736A3 (en) | Composition and method for treating protein fibres and method for the preparation of this composition | |
JPS5218832A (en) | Method of making cosmetic preparation | |
JPS5318529A (en) | Optically active mandelic acid phenylglycinol salt and its preparation | |
NO854839L (en) | DIAMINOAL ALCOHOLS, PREPARING THEREOF AND USE AS Means for the Removal of Acid Gas. | |
JPS5618569A (en) | Color former for cattle meat | |
JPS5331020A (en) | Purifying system of exhaust gas in engine | |
SU542762A1 (en) | Method for isolating invertase from yeast | |
JPS533593A (en) | Preparation of gel-forming microbial protein | |
JPS5513249A (en) | Remedy and its preparation | |
DE69516475D1 (en) | Process for the preparation of pure nizatidine | |
JPS5594312A (en) | Cold waving lotion | |
JPS52148487A (en) | Filter membrane of hollow fiber |