DE69614108D1 - Verfahren zur gewinnung von ascorbinsäure - Google Patents
Verfahren zur gewinnung von ascorbinsäureInfo
- Publication number
- DE69614108D1 DE69614108D1 DE69614108T DE69614108T DE69614108D1 DE 69614108 D1 DE69614108 D1 DE 69614108D1 DE 69614108 T DE69614108 T DE 69614108T DE 69614108 T DE69614108 T DE 69614108T DE 69614108 D1 DE69614108 D1 DE 69614108D1
- Authority
- DE
- Germany
- Prior art keywords
- ascorbic acid
- acid
- concentration
- aqueous solution
- organic extractant
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/62—Three oxygen atoms, e.g. ascorbic acid
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P17/00—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
- C12P17/02—Oxygen as only ring hetero atoms
- C12P17/04—Oxygen as only ring hetero atoms containing a five-membered hetero ring, e.g. griseofulvin, vitamin C
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL11392895A IL113928A (en) | 1995-05-31 | 1995-05-31 | Process for the recovery of ascorbic acid |
IL11392995A IL113929A (en) | 1995-05-31 | 1995-05-31 | Process and compositions for the recovery of ascorbic acid |
PCT/US1996/008093 WO1996038433A1 (en) | 1995-05-31 | 1996-05-31 | Process and compositions for the recovery of ascorbic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69614108D1 true DE69614108D1 (de) | 2001-08-30 |
DE69614108T2 DE69614108T2 (de) | 2002-03-14 |
Family
ID=26323065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69614108T Expired - Fee Related DE69614108T2 (de) | 1995-05-31 | 1996-05-31 | Verfahren zur gewinnung von ascorbinsäure |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0828725B1 (de) |
JP (1) | JPH11506447A (de) |
AT (1) | ATE203527T1 (de) |
AU (1) | AU5956796A (de) |
CA (1) | CA2222282C (de) |
DE (1) | DE69614108T2 (de) |
WO (1) | WO1996038433A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6172242B1 (en) | 1996-05-31 | 2001-01-09 | Yissum Research Development Company Of The Hebrew University Of Jerusalem | Process for the production of erythorbic acid |
US6169187B1 (en) | 1996-12-01 | 2001-01-02 | Yissum Research Development Company Of The Hebrew University Of Jerusalem | Process for recovery of ascorbic acid |
IL119732A0 (en) * | 1996-12-01 | 1997-03-18 | Yissum Res Dev Co | A process for recovery of ascorbic acid |
DE19815639A1 (de) * | 1998-04-07 | 1999-10-14 | Basf Ag | Verfahren zur Herstellung von Zuckeralkoholen |
DE10231890B4 (de) | 2002-07-12 | 2004-07-01 | Basf Ag | Verfahren zur Abtrennung von Ascorbinsäure aus einem polaren, Ascorbinsäure und 2-Keto-L-gulonsäure enthaltenden Lösungsmittel |
ITTO20060782A1 (it) * | 2006-11-02 | 2008-05-03 | Mb Med S R L | Procedimento per la preparazione di acido ascorbico o un suo sale da matrici vegetali |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL39710A (en) * | 1972-06-19 | 1975-04-25 | Imi Inst For Res & Dev | Recovery of acids from aqueous solutions by solvent extraction |
IT1020235B (it) * | 1973-11-03 | 1977-12-20 | Benckiser Gmbh Joh A | Processo per la preparazione di citrati alcalini o di ammonio |
US4334095A (en) * | 1980-10-06 | 1982-06-08 | Miles Laboratories, Inc. | Extraction of organic acids from aqueous solutions |
IL109003A (en) * | 1994-03-16 | 1999-09-22 | Yissum Res Dev Co | Process and extractant composition for extracting water-soluble carboxylic and mineral acids |
-
1996
- 1996-05-31 DE DE69614108T patent/DE69614108T2/de not_active Expired - Fee Related
- 1996-05-31 JP JP8536671A patent/JPH11506447A/ja active Pending
- 1996-05-31 AT AT96916818T patent/ATE203527T1/de not_active IP Right Cessation
- 1996-05-31 EP EP96916818A patent/EP0828725B1/de not_active Expired - Lifetime
- 1996-05-31 CA CA002222282A patent/CA2222282C/en not_active Expired - Fee Related
- 1996-05-31 AU AU59567/96A patent/AU5956796A/en not_active Abandoned
- 1996-05-31 WO PCT/US1996/008093 patent/WO1996038433A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CA2222282C (en) | 2004-08-03 |
AU5956796A (en) | 1996-12-18 |
EP0828725B1 (de) | 2001-07-25 |
WO1996038433A1 (en) | 1996-12-05 |
JPH11506447A (ja) | 1999-06-08 |
EP0828725A1 (de) | 1998-03-18 |
EP0828725A4 (de) | 1998-10-07 |
DE69614108T2 (de) | 2002-03-14 |
ATE203527T1 (de) | 2001-08-15 |
CA2222282A1 (en) | 1996-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |