GB8334071D0 - Separating l-tryptophan - Google Patents

Separating l-tryptophan

Info

Publication number
GB8334071D0
GB8334071D0 GB838334071A GB8334071A GB8334071D0 GB 8334071 D0 GB8334071 D0 GB 8334071D0 GB 838334071 A GB838334071 A GB 838334071A GB 8334071 A GB8334071 A GB 8334071A GB 8334071 D0 GB8334071 D0 GB 8334071D0
Authority
GB
United Kingdom
Prior art keywords
tryptophan
separating
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.)
Granted
Application number
GB838334071A
Other versions
GB2152031B (en
GB2152031A (en
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Publication of GB8334071D0 publication Critical patent/GB8334071D0/en
Publication of GB2152031A publication Critical patent/GB2152031A/en
Application granted granted Critical
Publication of GB2152031B publication Critical patent/GB2152031B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids
    • C12P13/22—Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine
    • C12P13/227—Tryptophan
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
    • C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D209/20—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals substituted additionally by nitrogen atoms, e.g. tryptophane
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/02—Separating microorganisms from their culture media

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Genetics & Genomics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Virology (AREA)
  • Biomedical Technology (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
GB08334071A 1984-01-10 1983-12-21 Separating l-tryptophan from fermentation broth Expired GB2152031B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843400603 DE3400603A1 (en) 1984-01-10 1984-01-10 METHOD FOR SEPARATING L-TRYPTOPHANE

Publications (3)

Publication Number Publication Date
GB8334071D0 true GB8334071D0 (en) 1984-02-01
GB2152031A GB2152031A (en) 1985-07-31
GB2152031B GB2152031B (en) 1987-07-22

Family

ID=6224602

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08334071A Expired GB2152031B (en) 1984-01-10 1983-12-21 Separating l-tryptophan from fermentation broth

Country Status (7)

Country Link
AU (1) AU566747B2 (en)
CA (1) CA1215068A (en)
CH (1) CH659828A5 (en)
DE (1) DE3400603A1 (en)
FR (1) FR2557873B1 (en)
GB (1) GB2152031B (en)
NL (1) NL8304497A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648990B2 (en) * 1987-01-14 1994-06-29 味の素株式会社 Method for purifying tryptophan
DK388888A (en) * 1987-07-13 1989-01-14 Mitsui Toatsu Chemicals PROCEDURE FOR PREPARING L-TRYPTOPHAN AND PROCEDURE FOR PREPARING A STABLE Aqueous Enzyme Solution
WO1989003428A1 (en) * 1987-10-12 1989-04-20 Mitsui Toatsu Chemicals, Inc. Process for producing l-tryptophane
DE3915616C1 (en) * 1989-05-12 1990-06-21 Gesellschaft Fuer Biotechnologische Forschung Mbh (Gbf), 3300 Braunschweig, De
JPH0489479A (en) * 1990-08-01 1992-03-23 Ajinomoto Co Inc Recovery of optically active tryptophan
BR9605094A (en) * 1995-10-13 1998-07-07 Ajinomoto Kk Process for removing cells from a fermentation broth
EP0770676A3 (en) * 1995-10-23 1999-05-19 Ajinomoto Co., Ltd. Method for treating fermentation broth
DE19540788A1 (en) * 1995-11-02 1997-05-07 Degussa Use of aqueous L-tryptophan and / or L-threonine salt solutions
CA2569204A1 (en) 2006-11-28 2008-05-28 Apotex Technologies Inc. Crystalline d-isoglutamyl-d-tryptophan and the mono ammonium salt of d-isoglutamyl-d-tryptophan
CA2571645A1 (en) * 2006-12-19 2008-06-19 Apotex Technologies Inc. Pharmaceutically acceptable salts of thymodepressin and processes for their manufacture

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973304A (en) * 1958-10-02 1961-02-28 Pfizer & Co C Fermentation process
FR1343804A (en) * 1962-10-25 1963-11-22 Sumitomo Chemical Co Process for the production of l-amino acids by fermentation
US4411991A (en) * 1980-10-07 1983-10-25 Kanegafuchi Chemical Industry Company, Limited Process for fermentative production of amino acids

Also Published As

Publication number Publication date
FR2557873A1 (en) 1985-07-12
GB2152031B (en) 1987-07-22
NL8304497A (en) 1985-07-16
FR2557873B1 (en) 1986-05-16
CH659828A5 (en) 1987-02-27
AU2274983A (en) 1985-06-27
AU566747B2 (en) 1987-10-29
DE3400603A1 (en) 1985-07-18
GB2152031A (en) 1985-07-31
CA1215068A (en) 1986-12-09

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20031220