FR2650282B1 - PROCESS FOR THE PREPARATION OF CHITOSAN BY N-DEACETYLATION OF CHITINE - Google Patents
PROCESS FOR THE PREPARATION OF CHITOSAN BY N-DEACETYLATION OF CHITINEInfo
- Publication number
- FR2650282B1 FR2650282B1 FR8910327A FR8910327A FR2650282B1 FR 2650282 B1 FR2650282 B1 FR 2650282B1 FR 8910327 A FR8910327 A FR 8910327A FR 8910327 A FR8910327 A FR 8910327A FR 2650282 B1 FR2650282 B1 FR 2650282B1
- Authority
- FR
- France
- Prior art keywords
- chitine
- deacetylation
- chitosan
- preparation
- 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.)
- Expired - Fee Related
Links
- 229920001661 Chitosan Polymers 0.000 title 1
- 238000003381 deacetylation reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8910327A FR2650282B1 (en) | 1989-07-26 | 1989-07-26 | PROCESS FOR THE PREPARATION OF CHITOSAN BY N-DEACETYLATION OF CHITINE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8910327A FR2650282B1 (en) | 1989-07-26 | 1989-07-26 | PROCESS FOR THE PREPARATION OF CHITOSAN BY N-DEACETYLATION OF CHITINE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2650282A1 FR2650282A1 (en) | 1991-02-01 |
FR2650282B1 true FR2650282B1 (en) | 1992-09-04 |
Family
ID=9384336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8910327A Expired - Fee Related FR2650282B1 (en) | 1989-07-26 | 1989-07-26 | PROCESS FOR THE PREPARATION OF CHITOSAN BY N-DEACETYLATION OF CHITINE |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2650282B1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970008132B1 (en) * | 1993-02-08 | 1997-05-21 | 전동원 | Method for manufacturing chitin and chitosan for biomedical medicine |
FR2701711A1 (en) * | 1993-02-17 | 1994-08-26 | Centre Nat Rech Scient | Highly deacetylated chitosan and process for obtaining it |
US5670082A (en) * | 1993-06-11 | 1997-09-23 | Ciba-Geigy Corporation | Bleaching auxiliary |
ES2157966T3 (en) * | 1993-06-11 | 2001-09-01 | Ciba Sc Holding Ag | AUXILIARY BLEACHING AGENT. |
DE19530689B4 (en) * | 1995-08-08 | 2004-06-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Process for the production of chitosan |
DK173088B1 (en) * | 1998-02-02 | 2000-01-03 | Matcon Radgivende Ing Firma | Process for the preparation of chitosan by deacetylation of chitin, using the one used in the deacetylation |
NO982673L (en) * | 1998-06-10 | 1999-12-13 | Bioeffect As | Preparation of chitosan |
TW583190B (en) * | 2001-04-04 | 2004-04-11 | Dainichiseika Color Chem | Purified chitins and production process thereof |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4195175A (en) * | 1978-01-03 | 1980-03-25 | Johnson Edwin L | Process for the manufacture of chitosan |
US4619995A (en) * | 1984-12-24 | 1986-10-28 | Nova Chem Limited | N,O-carboxymethyl chitosan and preparative method therefor |
-
1989
- 1989-07-26 FR FR8910327A patent/FR2650282B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2650282A1 (en) | 1991-02-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |