CA1055416A - Production de lactase thermostable par des bacilles - Google Patents

Production de lactase thermostable par des bacilles

Info

Publication number
CA1055416A
CA1055416A CA240,972A CA240972A CA1055416A CA 1055416 A CA1055416 A CA 1055416A CA 240972 A CA240972 A CA 240972A CA 1055416 A CA1055416 A CA 1055416A
Authority
CA
Canada
Prior art keywords
lactase
organism
lactose
temperature
activity
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
CA240,972A
Other languages
English (en)
Inventor
Chin K. Lee
Margaret E. Long
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
Application granted granted Critical
Publication of CA1055416A publication Critical patent/CA1055416A/fr
Expired 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 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)
CA240,972A 1974-12-04 1975-12-03 Production de lactase thermostable par des bacilles Expired CA1055416A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1055416A true CA1055416A (fr) 1979-05-29

Family

ID=24109461

Family Applications (1)

Application Number Title Priority Date Filing Date
CA240,972A Expired CA1055416A (fr) 1974-12-04 1975-12-03 Production de lactase thermostable par des bacilles

Country Status (8)

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

Families Citing this family (5)

* 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
NZ190603A (en) * 1978-06-07 1982-03-23 Nat Res Dev Heat-stable -galactosidase derived from bacillus stearothermophilus hydrolysis of lactose
DK146325C (da) * 1979-01-10 1984-02-20 Novo Industri As Beta-galactosidase, fremgangsmaade til fremstilling deraf og anvendelse deraf
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

Also Published As

Publication number Publication date
BE836246A (fr) 1976-06-03
DK143714B (da) 1981-09-28
FR2293490B1 (fr) 1979-08-10
NL7514110A (nl) 1976-06-09
DE2554407A1 (de) 1976-06-10
CH611647A5 (en) 1979-06-15
DK143714C (da) 1982-03-22
GB1493542A (en) 1977-11-30
FR2293490A1 (fr) 1976-07-02
DK545175A (da) 1976-06-05

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