FR2321506A1 - Gomme xanthanique exempte de cellulase et procede de fabrication - Google Patents

Gomme xanthanique exempte de cellulase et procede de fabrication

Info

Publication number
FR2321506A1
FR2321506A1 FR7625349A FR7625349A FR2321506A1 FR 2321506 A1 FR2321506 A1 FR 2321506A1 FR 7625349 A FR7625349 A FR 7625349A FR 7625349 A FR7625349 A FR 7625349A FR 2321506 A1 FR2321506 A1 FR 2321506A1
Authority
FR
France
Prior art keywords
xanthanium
cellulase
gum
free
manufacturing
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
FR7625349A
Other languages
English (en)
French (fr)
Other versions
FR2321506B1 (US07122547-20061017-C00273.png
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.)
Merck and Co Inc
Original Assignee
Merck and Co 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 Merck and Co Inc filed Critical Merck and Co Inc
Publication of FR2321506A1 publication Critical patent/FR2321506A1/fr
Application granted granted Critical
Publication of FR2321506B1 publication Critical patent/FR2321506B1/fr
Granted 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
    • C12N9/99—Enzyme inactivation by chemical treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0033—Xanthan, i.e. D-glucose, D-mannose and D-glucuronic acid units, saubstituted with acetate and pyruvate, with a main chain of (beta-1,4)-D-glucose units; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Emergency Medicine (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Enzymes And Modification Thereof (AREA)
FR7625349A 1975-08-22 1976-08-20 Gomme xanthanique exempte de cellulase et procede de fabrication Granted FR2321506A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/606,899 US4070535A (en) 1975-08-22 1975-08-22 Cellulase-free xanthan gum and process for producing same

Publications (2)

Publication Number Publication Date
FR2321506A1 true FR2321506A1 (fr) 1977-03-18
FR2321506B1 FR2321506B1 (US07122547-20061017-C00273.png) 1980-04-30

Family

ID=24429962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625349A Granted FR2321506A1 (fr) 1975-08-22 1976-08-20 Gomme xanthanique exempte de cellulase et procede de fabrication

Country Status (5)

Country Link
US (1) US4070535A (US07122547-20061017-C00273.png)
JP (1) JPS6048521B2 (US07122547-20061017-C00273.png)
CA (1) CA1072955A (US07122547-20061017-C00273.png)
FR (1) FR2321506A1 (US07122547-20061017-C00273.png)
GB (1) GB1487530A (US07122547-20061017-C00273.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048616A1 (en) * 1980-09-24 1982-03-31 Merck & Co. Inc. Blends of cellulase-free xanthan gum and cellulosics

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259477A (en) * 1979-06-04 1981-03-31 Merck & Co., Inc. Process for making cellulase-free xanthan gum
DE3812682A1 (de) * 1988-04-16 1989-11-02 Wolff Walsrode Ag Verfahren zur herstellung von heteropolysacchariden mit verbesserten eigenschaften, insbesondere xanthan
JP3228315B2 (ja) * 1993-04-23 2001-11-12 信越化学工業株式会社 キサンタンガムの汚染生菌数を減少させる方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256271A (en) * 1963-06-26 1966-06-14 Kelco Co Method of improving viscosity characteristics of xanthomonas hydrophilic colloids and esters produced thereby
FR2224098A1 (US07122547-20061017-C00273.png) * 1973-04-09 1974-10-31 Kelco Co

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531465A (en) * 1962-06-07 1970-09-29 Tee Pak Inc Preparation of organic derivatives from decausticized xanthates
US3349077A (en) * 1965-05-17 1967-10-24 Kelco Co Etherified xanthomonas hydrophilic colloids and process of preparation
US3865806A (en) * 1970-12-28 1975-02-11 Dow Chemical Co Low viscosity, low equivalent weight polyether polyols and a method for their preparation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256271A (en) * 1963-06-26 1966-06-14 Kelco Co Method of improving viscosity characteristics of xanthomonas hydrophilic colloids and esters produced thereby
FR2224098A1 (US07122547-20061017-C00273.png) * 1973-04-09 1974-10-31 Kelco Co

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048616A1 (en) * 1980-09-24 1982-03-31 Merck & Co. Inc. Blends of cellulase-free xanthan gum and cellulosics

Also Published As

Publication number Publication date
GB1487530A (en) 1977-10-05
CA1072955A (en) 1980-03-04
US4070535A (en) 1978-01-24
FR2321506B1 (US07122547-20061017-C00273.png) 1980-04-30
JPS5242899A (en) 1977-04-04
JPS6048521B2 (ja) 1985-10-28

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Legal Events

Date Code Title Description
ST Notification of lapse