ATE203527T1 - Verfahren zur gewinnung von ascorbinsäure - Google Patents

Verfahren zur gewinnung von ascorbinsäure

Info

Publication number
ATE203527T1
ATE203527T1 AT96916818T AT96916818T ATE203527T1 AT E203527 T1 ATE203527 T1 AT E203527T1 AT 96916818 T AT96916818 T AT 96916818T AT 96916818 T AT96916818 T AT 96916818T AT E203527 T1 ATE203527 T1 AT E203527T1
Authority
AT
Austria
Prior art keywords
ascorbic acid
acid
concentration
aqueous solution
organic extractant
Prior art date
Application number
AT96916818T
Other languages
English (en)
Inventor
Aharon M Eyal
Betty Hazan
Original Assignee
Yissum Res Dev Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from IL11392995A external-priority patent/IL113929A/xx
Priority claimed from IL11392895A external-priority patent/IL113928A/xx
Application filed by Yissum Res Dev Co filed Critical Yissum Res Dev Co
Application granted granted Critical
Publication of ATE203527T1 publication Critical patent/ATE203527T1/de

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
AT96916818T 1995-05-31 1996-05-31 Verfahren zur gewinnung von ascorbinsäure ATE203527T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL11392995A IL113929A (en) 1995-05-31 1995-05-31 Process and compositions for the recovery of ascorbic acid
IL11392895A IL113928A (en) 1995-05-31 1995-05-31 Process 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 (1)

Publication Number Publication Date
ATE203527T1 true ATE203527T1 (de) 2001-08-15

Family

ID=26323065

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96916818T ATE203527T1 (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)

* Cited by examiner, † Cited by third party
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
IL119732A0 (en) * 1996-12-01 1997-03-18 Yissum Res Dev Co A process for recovery of ascorbic 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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA2222282C (en) 2004-08-03
EP0828725B1 (de) 2001-07-25
DE69614108T2 (de) 2002-03-14
EP0828725A1 (de) 1998-03-18
JPH11506447A (ja) 1999-06-08
CA2222282A1 (en) 1996-12-05
AU5956796A (en) 1996-12-18
DE69614108D1 (de) 2001-08-30
EP0828725A4 (de) 1998-10-07
WO1996038433A1 (en) 1996-12-05

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties