GB1284218A - Process for producing glucose isomerase - Google Patents

Process for producing glucose isomerase

Info

Publication number
GB1284218A
GB1284218A GB1684970A GB1684970A GB1284218A GB 1284218 A GB1284218 A GB 1284218A GB 1684970 A GB1684970 A GB 1684970A GB 1684970 A GB1684970 A GB 1684970A GB 1284218 A GB1284218 A GB 1284218A
Authority
GB
United Kingdom
Prior art keywords
organism
micro
glucose
hydrolysate
nutrient
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
Application number
GB1684970A
Inventor
Robert George Dworschack
James Chujer Chen
William Raymond Lamm
Larry Gene Davis
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.)
Standard Brands Inc
Original Assignee
Standard Brands 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 Standard Brands Inc filed Critical Standard Brands Inc
Priority to GB1684970A priority Critical patent/GB1284218A/en
Publication of GB1284218A publication Critical patent/GB1284218A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/90—Isomerases (5.)
    • C12N9/92—Glucose isomerase (5.3.1.5; 5.3.1.9; 5.3.1.18)

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Enzymes And Modification Thereof (AREA)

Abstract

1284218 Glucose isomerase STANDARD BRANDS Inc 9 April 1970 16849/70 Heading C3H A process wherein glucose isomerase is produced from a micro-organism of genus Streptomyces, the micro-organism being grown in stages in an aqueous nutrient under submerged aerobic conditions, there being present in at least the final growth stage a partial or complete hydrolysate of a xylan-containing material as a carbohydrate source. The hydrolysate may be selected from acid-hydrolysates of corn cobs, wheat bran, cottonseed hulls, straw, wood fibres or coarse fibre from a corn wet milling process. The hydrolysate preferably gives a D-xylose content of the nutrient of 0À25-5% by weight. The micro-organism may be Streptomyces sp. ATCC 21175 or 21176. 0À4-1% glucose and 0À5-2À5% sorbitol may also be present in the final growth stages, the glucose to sorbitol ratio being such that the nutrient has a pH of 6À2- 7-5. There may be present in at least one initial growth stage an aqueous dispersible non- nutritive material (e.g. agar) to induce the micro-organism to grow in filamentous form.
GB1684970A 1970-04-09 1970-04-09 Process for producing glucose isomerase Expired GB1284218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1684970A GB1284218A (en) 1970-04-09 1970-04-09 Process for producing glucose isomerase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1684970A GB1284218A (en) 1970-04-09 1970-04-09 Process for producing glucose isomerase

Publications (1)

Publication Number Publication Date
GB1284218A true GB1284218A (en) 1972-08-02

Family

ID=10084799

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1684970A Expired GB1284218A (en) 1970-04-09 1970-04-09 Process for producing glucose isomerase

Country Status (1)

Country Link
GB (1) GB1284218A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1454918A1 (en) * 2001-12-07 2004-09-08 Bizen Chemical Co., Ltd. Process for physicochemically producing glycogen and glycogen obtained thereby

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1454918A1 (en) * 2001-12-07 2004-09-08 Bizen Chemical Co., Ltd. Process for physicochemically producing glycogen and glycogen obtained thereby
EP1454918A4 (en) * 2001-12-07 2005-02-09 Bizen Chemical Co Ltd Process for physicochemically producing glycogen and glycogen obtained thereby
US7396543B2 (en) 2001-12-07 2008-07-08 Bizen Chemical Co., Ltd. Process for physicochemically producing glycogen and glycogen obtained thereby

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414B Case decided by the comptroller ** grants allowed (sect. 14/1949)
49S Specification amended (sect. 9/1949)
PS Patent sealed
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee