DE69614108D1 - Verfahren zur gewinnung von ascorbinsäure - Google Patents

Verfahren zur gewinnung von ascorbinsäure

Info

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
Application number
DE69614108T
Other languages
English (en)
Other versions
DE69614108T2 (de
Inventor
M Eyal
Betty Hazan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yissum Research Development Co of Hebrew University of Jerusalem
Original Assignee
Yissum Research Development Co of Hebrew University of Jerusalem
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 Research Development Co of Hebrew University of Jerusalem filed Critical Yissum Research Development Co of Hebrew University of Jerusalem
Application granted granted Critical
Publication of DE69614108D1 publication Critical patent/DE69614108D1/de
Publication of DE69614108T2 publication Critical patent/DE69614108T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (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)
DE69614108T 1995-05-31 1996-05-31 Verfahren zur gewinnung von ascorbinsäure Expired - Fee Related DE69614108T2 (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 (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)

* 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
EP0828725A1 (de) 1998-03-18
WO1996038433A1 (en) 1996-12-05
EP0828725A4 (de) 1998-10-07
CA2222282A1 (en) 1996-12-05
DE69614108T2 (de) 2002-03-14
ATE203527T1 (de) 2001-08-15
AU5956796A (en) 1996-12-18
EP0828725B1 (de) 2001-07-25
JPH11506447A (ja) 1999-06-08

Similar Documents

Publication Publication Date Title
CA2185575A1 (en) A process and extractant composition for extracting acids
DE3775821D1 (de) Verfahren zur wiedergewinnung von aminsaeuren aus waesserigen mischungen.
PT932592E (pt) Processo para a recuperacao de acido lactico
DE59300792D1 (de) Verfahren zur abtrennung von störelementen aus wertmetall-lösungen.
ATE251609T1 (de) Verfahren zur wiedergewinnung von caprolactam aus nylonhaltigem abfall durch extraktion mit alkylphenolen
DE69611307D1 (de) Verfahren zur rückgewinnung von wasserstofffluorid
KR900018390A (ko) 모노티오포스핀 산을 사용한 금속 추출방법
DE69614108T2 (de) Verfahren zur gewinnung von ascorbinsäure
DE602004013129D1 (de) Verfahren zur gewinnung von ethanol
ATE10211T1 (de) Verfahren zur rueckgewinnung von indium.
ATE212624T1 (de) Verfahren zur gewinnung von ascorbinsäure
ES2020138A6 (es) Procedimiento de eliminacion de cadmio del acido fosforico.
ATE9362T1 (de) Verfahren zur gewinnung von uran bzw. uranverbindungen aus phosphorsaeure.
MY109343A (en) Process for extracting protein curculin
JPS5565337A (en) Separation recovering method for high purity cobalt by solvent extraction
ATE100501T1 (de) Verfahren zur abscheidung von distickstoffpentoxyd aus seiner loesung in salpetersaeure.

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee