DE69710212T2 - Verfahren zur gewinnung von ascorbinsäure - Google Patents
Verfahren zur gewinnung von ascorbinsäureInfo
- Publication number
- DE69710212T2 DE69710212T2 DE69710212T DE69710212T DE69710212T2 DE 69710212 T2 DE69710212 T2 DE 69710212T2 DE 69710212 T DE69710212 T DE 69710212T DE 69710212 T DE69710212 T DE 69710212T DE 69710212 T2 DE69710212 T2 DE 69710212T2
- 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
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)
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 DE69710212D1 (de) | 2002-03-14 |
DE69710212T2 true 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)
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 |
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 |
US6984293B2 (en) | 2001-03-15 | 2006-01-10 | Tate & Lyle Ingredients | Azeotropic distillation of cyclic esters of hydroxy organic acids |
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)
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 |
DE3378049D1 (en) * | 1982-02-12 | 1988-10-27 | Hoffmann La Roche | Process for preparing ascorbic acid |
DK307386A (da) * | 1985-07-05 | 1987-01-06 | Takeda Chemical Industries Ltd | Fremgangsmaade til rensning af l-ascorbinsyre |
JPH11506447A (ja) * | 1995-05-31 | 1999-06-08 | イースム リサーチ ディベロップメント カンパニー オブ ザ ヒーブル ユニバーシティ オブ エルサレム | アスコルビン酸の回収のための方法及び組成物 |
-
1996
- 1996-12-01 IL IL11973296A patent/IL119732A0/xx unknown
-
1997
- 1997-11-25 WO PCT/US1997/022395 patent/WO1998024777A1/en active IP Right Grant
- 1997-11-25 EP EP97952304A patent/EP0941220B1/de not_active Expired - Lifetime
- 1997-11-25 BR BR9713307A patent/BR9713307A/pt not_active IP Right Cessation
- 1997-11-25 CA CA002271856A patent/CA2271856A1/en not_active Abandoned
- 1997-11-25 AT AT97952304T patent/ATE212624T1/de not_active IP Right Cessation
- 1997-11-25 ES ES97952304T patent/ES2168146T3/es not_active Expired - Lifetime
- 1997-11-25 DE DE69710212T patent/DE69710212T2/de not_active Expired - Fee Related
- 1997-11-25 AU AU55947/98A patent/AU5594798A/en not_active Abandoned
- 1997-11-25 JP JP52585298A patent/JP2001505581A/ja not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
ATE212624T1 (de) | 2002-02-15 |
AU5594798A (en) | 1998-06-29 |
JP2001505581A (ja) | 2001-04-24 |
CA2271856A1 (en) | 1998-06-11 |
EP0941220B1 (de) | 2002-01-30 |
IL119732A0 (en) | 1997-03-18 |
WO1998024777A1 (en) | 1998-06-11 |
ES2168146T3 (es) | 2002-06-01 |
BR9713307A (pt) | 2000-03-21 |
DE69710212D1 (de) | 2002-03-14 |
EP0941220A1 (de) | 1999-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2185575A1 (en) | A process and extractant composition for extracting acids | |
DE50005458D1 (de) | Verfahren zur herstellung von ameisensäure | |
PT932592E (pt) | Processo para a recuperacao de acido lactico | |
EP0884300A4 (de) | Verfahren zur herstellung von freien alpha-hydroxysäuren aus ammoniumsalzen | |
ATE212624T1 (de) | Verfahren zur gewinnung von ascorbinsäure | |
DK154562C (da) | Fremgangsmaade til fremstilling af isosorbid-2-acylat | |
DE60110932D1 (de) | Kontinuierliches verfahren zur herstellung von l-ascorbinsäure | |
ATE132126T1 (de) | Verfahren zur herstellung von di- trimethylolpropan | |
DE602004013129D1 (de) | Verfahren zur gewinnung von ethanol | |
MA19258A1 (fr) | Procede de separation selective de cobalt (ii) de solutions aqueuses . | |
ATE203527T1 (de) | Verfahren zur gewinnung von ascorbinsäure | |
DE50007399D1 (de) | Verfahren zur kontinuierlichen herstellung von glutaraldehyd | |
AU7337598A (en) | Process for preparing and purifying complex esters | |
PT1066294E (pt) | Novo processo para a producao fermentativa de cefalosporina | |
GB2097372A (en) | Recovery of ammonia | |
DE69707900T2 (de) | Methode zum herstellen von acyloxyalkoxygruppen enthaltende verbindungen aus alkoholen | |
ES8609297A1 (es) | Procedimiento de preparar aminolactonas | |
ATE162182T1 (de) | Verfahren zur herstellung von alpha- hydroximinophenylacetonitril | |
HUT47083A (en) | Process for producing mono-thiocarbamoic acid s-alkyl-esters | |
DE60013621D1 (de) | Verfahren zur herstellung von 17-carboxy-androst-4-ene | |
HUT37740A (en) | Process for production of phenoxi-alcane acids, their salts and esthers | |
DE69532641D1 (de) | Verfahren und zwischenprodukte zur herstellung von 5,7-dihydro-3-(2 1-benzylpiperidin-4-yl ethyl)-6h-pyrrolo-(4,5-f)-1,2-benzisoxazol-6-on | |
MY109343A (en) | Process for extracting protein curculin |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |