FR2293490A1 - Production de lactase stable a la chaleur et son application a l'hydrolyse du lactose - Google Patents

Production de lactase stable a la chaleur et son application a l'hydrolyse du lactose

Info

Publication number
FR2293490A1
FR2293490A1 FR7536980A FR7536980A FR2293490A1 FR 2293490 A1 FR2293490 A1 FR 2293490A1 FR 7536980 A FR7536980 A FR 7536980A FR 7536980 A FR7536980 A FR 7536980A FR 2293490 A1 FR2293490 A1 FR 2293490A1
Authority
FR
France
Prior art keywords
production
heat
application
lactose hydrolysis
stable lactase
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
FR7536980A
Other languages
English (en)
French (fr)
Other versions
FR2293490B1 (enExample
Inventor
Margaret E Long
Chin K Lee
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.)
RJ Reynolds Tobacco Co
Original Assignee
RJ Reynolds Tobacco Co
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 RJ Reynolds Tobacco Co filed Critical RJ Reynolds Tobacco Co
Publication of FR2293490A1 publication Critical patent/FR2293490A1/fr
Application granted granted Critical
Publication of FR2293490B1 publication Critical patent/FR2293490B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
    • A23C21/00—Whey; Whey preparations
    • A23C21/02—Whey; Whey preparations containing, or treated with, microorganisms or enzymes
    • A23C21/023—Lactose hydrolysing enzymes, e.g. lactase, B-galactosidase
    • 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
    • C12N9/14—Hydrolases (3)
    • C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
    • C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
    • C12N9/2468—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1) acting on beta-galactose-glycoside bonds, e.g. carrageenases (3.2.1.83; 3.2.1.157); beta-agarase (3.2.1.81)
    • C12N9/2471—Beta-galactosidase (3.2.1.23), i.e. exo-(1-->4)-beta-D-galactanase
    • 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
    • C12N9/14—Hydrolases (3)
    • C12N9/78—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5)
    • C12N9/86—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5) acting on amide bonds in cyclic amides, e.g. penicillinase (3.5.2)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01023—Beta-galactosidase (3.2.1.23), i.e. exo-(1-->4)-beta-D-galactanase
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y305/00—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5)
    • C12Y305/02—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5) in cyclic amides (3.5.2)
    • C12Y305/02006—Beta-lactamase (3.5.2.6)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
FR7536980A 1974-12-04 1975-12-03 Production de lactase stable a la chaleur et son application a l'hydrolyse du lactose Granted FR2293490A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52932974A 1974-12-04 1974-12-04

Publications (2)

Publication Number Publication Date
FR2293490A1 true FR2293490A1 (fr) 1976-07-02
FR2293490B1 FR2293490B1 (enExample) 1979-08-10

Family

ID=24109461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536980A Granted FR2293490A1 (fr) 1974-12-04 1975-12-03 Production de lactase stable a la chaleur et son application a l'hydrolyse du lactose

Country Status (8)

Country Link
BE (1) BE836246A (enExample)
CA (1) CA1055416A (enExample)
CH (1) CH611647A5 (enExample)
DE (1) DE2554407A1 (enExample)
DK (1) DK143714C (enExample)
FR (1) FR2293490A1 (enExample)
GB (1) GB1493542A (enExample)
NL (1) NL7514110A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006035A3 (en) * 1978-06-07 1980-02-06 National Research Development Corporation Bacterial beta-galactosidase, immobilized forms thereof, process for their preparation and use in the hydrolysis of lactose, and novel bacteria
FR2453214A1 (fr) * 1979-01-10 1980-10-31 Novo Industri As Produit enzymatique contenant de la beta-galactosidase, micro-organisme et procede pour sa preparation et utilisation de ce produit.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53148591A (en) 1977-05-31 1978-12-25 Daiwa Kasei Kk Production of novel lactase
US6428786B1 (en) 1993-09-28 2002-08-06 Mcneil-Ppc, Inc. Composition and method for lactose hydrolysis
US6057139A (en) 1995-06-29 2000-05-02 Mcneil-Ppc, Inc. Preblend of microcrystalline cellulose and lactase for making tablets

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, VOLUME 50, 1956, 13.172 A CITE BIOCHEM. ET BIOPHYS. ACTA 20, 1956 G.D. HUNTER ET AL. PAGES 405-6) *
CHEMICAL ABSTRACTS, VOLUME 80, 1974, 1034C CITE ARCH, BIOCHEM. BIOPHYS. 158 2 1973, H.P. POLLARD ET AL. PAGES 650-61 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006035A3 (en) * 1978-06-07 1980-02-06 National Research Development Corporation Bacterial beta-galactosidase, immobilized forms thereof, process for their preparation and use in the hydrolysis of lactose, and novel bacteria
FR2453214A1 (fr) * 1979-01-10 1980-10-31 Novo Industri As Produit enzymatique contenant de la beta-galactosidase, micro-organisme et procede pour sa preparation et utilisation de ce produit.

Also Published As

Publication number Publication date
BE836246A (fr) 1976-06-03
CH611647A5 (en) 1979-06-15
DE2554407A1 (de) 1976-06-10
CA1055416A (en) 1979-05-29
DK143714B (da) 1981-09-28
FR2293490B1 (enExample) 1979-08-10
DK143714C (da) 1982-03-22
DK545175A (da) 1976-06-05
NL7514110A (nl) 1976-06-09
GB1493542A (en) 1977-11-30

Similar Documents

Publication Publication Date Title
BE834988A (fr) Procede de preparation de mousses de sitoxanes resistantes a l'inflammation et mousses ainsi preparees
JPS528265A (en) Flywheel and production method of flywheel
GB2026379B (en) Reinforcing fibres and method of producing same
IL56905A0 (en) Fabric of fur and method of production
CS222183B2 (en) Shaped fibrous product mainly building element and method of making the same
JPS5359670A (en) Stereospecific production of hexahydrodibenzopyranones and intermediate thereof
JPS54135761A (en) 17 betaathiocarboxylic acid esters of 44haloo33oxoandrostt44enes and their manufacture
JPS52129737A (en) Adhesive technics its application to cable terminal and production method of terminal mentioned above
FR2275437A1 (fr) Production catalytique de l'acide hydroxy-acetique et de l'acide oxy-diacetique
FR2318925A1 (fr) Procede et composition pour l'hydrolyse enzymatique rapide de triglycerides
JPS5337694A (en) Production of 88 methoxypusolalene derivative and novel intermediate to produce same
RO81874A (ro) Procedeu si instalatie de uscare si preincalzire a carbunelui ce urmeaza a fi cocsificat
IL53054A0 (en) Composite strip its manufacturing process and its application to the preparation of sterile packings
CS252805B2 (en) Polyacrylonitrile fibre and method of its preparation
FR2293490A1 (fr) Production de lactase stable a la chaleur et son application a l'hydrolyse du lactose
IT7851787A0 (it) Procedimento per la produzione difibre simili a capelli e prodotto ottenuto
ZA752614B (en) Production of casein and caseinates
FR2461737B1 (fr) Nouveaux melanges d'un copolyimide et d'un copolyamide-imide et leur application a la production de films
JPS5587755A (en) Diaminophenylurea*its manufacture and its application to manufacture of aminobenzimidazolonee*2*
SE415035B (sv) Framstellning av urokinas ur en kultur av levande njurceller odlade i nervaro av glycin
BE855050A (fr) Production d'esters de l'acide chrysanthemique et de composes homologues
JPS54163894A (en) Production and utilizaton of llamino acid substituted polypeptide
BE827571A (fr) Derives de l'acide phenoxy isobutique a action hypolipemiante et hypocholesterolemiante
JPS5551842A (en) Production of fabric with bulge softness and improded drapability
FR2295947A1 (fr) Nouvelle threo-gamma-gamma-gamma-trihalogeno-threonine et son application a la preparation de threo-threonine

Legal Events

Date Code Title Description
ST Notification of lapse