NL8304497A - Werkwijze voor het afscheiden van l-tryptofaan. - Google Patents

Werkwijze voor het afscheiden van l-tryptofaan. Download PDF

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Publication number
NL8304497A
NL8304497A NL8304497A NL8304497A NL8304497A NL 8304497 A NL8304497 A NL 8304497A NL 8304497 A NL8304497 A NL 8304497A NL 8304497 A NL8304497 A NL 8304497A NL 8304497 A NL8304497 A NL 8304497A
Authority
NL
Netherlands
Prior art keywords
tryptophan
reaction mixture
microorganism
added
solution
Prior art date
Application number
NL8304497A
Other languages
English (en)
Dutch (nl)
Original Assignee
Mitsui Toatsu Chemicals
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 filed Critical Mitsui Toatsu Chemicals
Publication of NL8304497A publication Critical patent/NL8304497A/nl

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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; 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)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (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)
NL8304497A 1984-01-10 1983-12-30 Werkwijze voor het afscheiden van l-tryptofaan. NL8304497A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3400603 1984-01-10
DE19843400603 DE3400603A1 (de) 1984-01-10 1984-01-10 Verfahren zur abtrennung von l-tryptophan

Publications (1)

Publication Number Publication Date
NL8304497A true NL8304497A (nl) 1985-07-16

Family

ID=6224602

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8304497A NL8304497A (nl) 1984-01-10 1983-12-30 Werkwijze voor het afscheiden van l-tryptofaan.

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648990B2 (ja) * 1987-01-14 1994-06-29 味の素株式会社 トリプトフアンの精製方法
KR900005773B1 (ko) * 1987-07-13 1990-08-11 미쓰이도오아쓰가가꾸 가부시끼가이샤 L-트립토판의 제조방법 및 안정한 효소 수용액의 제조방법
DE3851067T2 (de) * 1987-10-12 1995-01-05 Mitsui Toatsu Chemicals Verfahren zur herstellung von l-tryptophan.
DE3915616C1 (fr) * 1989-05-12 1990-06-21 Gesellschaft Fuer Biotechnologische Forschung Mbh (Gbf), 3300 Braunschweig, De
JPH0489479A (ja) * 1990-08-01 1992-03-23 Ajinomoto Co Inc 光学活性トリプトファンの回収方法
EP0768374B1 (fr) * 1995-10-13 2003-01-29 Ajinomoto Co., Inc. Procédé pour éliminer des cellules à partir du bouillon de fermentation
EP0770676A3 (fr) * 1995-10-23 1999-05-19 Ajinomoto Co., Ltd. Méthode de traitement de bouillons de culture
DE19540788A1 (de) * 1995-11-02 1997-05-07 Degussa Verwendung von wässrigen L-Tryptophan- und/oder L-Threonin-Salzlösungen
CA2569204A1 (fr) 2006-11-28 2008-05-28 Apotex Technologies Inc. D-isoglutamyl-d-tryptophane cristallin et sel de monoammonium de d-isoglutamyl-d-tryptophane
CA2571645A1 (fr) 2006-12-19 2008-06-19 Apotex Technologies Inc. Sels de thymodepressin pharmaceutiquement acceptables et methodes de production connexes

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 (fr) * 1962-10-25 1963-11-22 Sumitomo Chemical Co Procédé de production des l-aminoacides par 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
FR2557873B1 (fr) 1986-05-16
DE3400603A1 (de) 1985-07-18
GB2152031A (en) 1985-07-31
AU2274983A (en) 1985-06-27
GB2152031B (en) 1987-07-22
CA1215068A (fr) 1986-12-09
GB8334071D0 (en) 1984-02-01
FR2557873A1 (fr) 1985-07-12
AU566747B2 (en) 1987-10-29
CH659828A5 (de) 1987-02-27

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BC A request for examination has been filed
BN A decision not to publish the application has become irrevocable
BN A decision not to publish the application has become irrevocable