DE69710212D1 - Verfahren zur gewinnung von ascorbinsäure - Google Patents

Verfahren zur gewinnung von ascorbinsäure

Info

Publication number
DE69710212D1
DE69710212D1 DE69710212T DE69710212T DE69710212D1 DE 69710212 D1 DE69710212 D1 DE 69710212D1 DE 69710212 T DE69710212 T DE 69710212T DE 69710212 T DE69710212 T DE 69710212T DE 69710212 D1 DE69710212 D1 DE 69710212D1
Authority
DE
Germany
Prior art keywords
ascorbic acid
extractant composition
extractant
precursor
aqueous solution
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
DE69710212T
Other languages
English (en)
Other versions
DE69710212T2 (de
Inventor
Meir Eyal
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
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 DE69710212D1 publication Critical patent/DE69710212D1/de
Publication of DE69710212T2 publication Critical patent/DE69710212T2/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Furan Compounds (AREA)
DE69710212T 1996-12-01 1997-11-25 Verfahren zur gewinnung von ascorbinsäure Expired - Fee Related DE69710212T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL11973296A IL119732A0 (en) 1996-12-01 1996-12-01 A process for recovery of ascorbic acid
PCT/US1997/022395 WO1998024777A1 (en) 1996-12-01 1997-11-25 A process for recovery of ascorbic acid

Publications (2)

Publication Number Publication Date
DE69710212D1 true DE69710212D1 (de) 2002-03-14
DE69710212T2 DE69710212T2 (de) 2002-08-14

Family

ID=11069536

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69710212T Expired - Fee Related DE69710212T2 (de) 1996-12-01 1997-11-25 Verfahren zur gewinnung von ascorbinsäure

Country Status (10)

Country Link
EP (1) EP0941220B1 (de)
JP (1) JP2001505581A (de)
AT (1) ATE212624T1 (de)
AU (1) AU5594798A (de)
BR (1) BR9713307A (de)
CA (1) CA2271856A1 (de)
DE (1) DE69710212T2 (de)
ES (1) ES2168146T3 (de)
IL (1) IL119732A0 (de)
WO (1) WO1998024777A1 (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
US6984293B2 (en) 2001-03-15 2006-01-10 Tate & Lyle Ingredients Azeotropic distillation of cyclic esters of hydroxy organic acids
US6982026B2 (en) 2001-03-15 2006-01-03 Tate & Lyle Ingredients Americas, Inc. Azeotropic distillation process for producing organic acids or organic acid amides
US6926810B2 (en) 2001-03-15 2005-08-09 A. E. Staley Manufacturing Co. Process for obtaining an organic acid from an organic acid ammonium salt, an organic acid amide, or an alkylamine organic acid complex
CN105061368A (zh) * 2015-08-06 2015-11-18 常州思宇环保材料科技有限公司 一种从玫瑰花中提取维生素c的方法
CN106588839A (zh) * 2016-12-30 2017-04-26 云南中医学院 一种甜柿维生素c的制备方法

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
EP0086324B1 (de) * 1982-02-12 1988-09-21 F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft Verfahren zur Herstellung von Ascorbinsäure
DK307386A (da) * 1985-07-05 1987-01-06 Takeda Chemical Industries Ltd Fremgangsmaade til rensning af l-ascorbinsyre
WO1996038433A1 (en) * 1995-05-31 1996-12-05 Yissum Research Development Company Of The Hebrew University Of Jerusalem Process and compositions for the recovery of ascorbic acid

Also Published As

Publication number Publication date
WO1998024777A1 (en) 1998-06-11
JP2001505581A (ja) 2001-04-24
BR9713307A (pt) 2000-03-21
ATE212624T1 (de) 2002-02-15
DE69710212T2 (de) 2002-08-14
ES2168146T3 (es) 2002-06-01
EP0941220A1 (de) 1999-09-15
EP0941220B1 (de) 2002-01-30
CA2271856A1 (en) 1998-06-11
AU5594798A (en) 1998-06-29
IL119732A0 (en) 1997-03-18

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Legal Events

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