DK545175A - Fremgangsmade til fremstilling af thermostabil lactase - Google Patents

Fremgangsmade til fremstilling af thermostabil lactase

Info

Publication number
DK545175A
DK545175A DK545175A DK545175A DK545175A DK 545175 A DK545175 A DK 545175A DK 545175 A DK545175 A DK 545175A DK 545175 A DK545175 A DK 545175A DK 545175 A DK545175 A DK 545175A
Authority
DK
Denmark
Prior art keywords
procedure
preparation
thermostable lactase
lactase
thermostable
Prior art date
Application number
DK545175A
Other languages
English (en)
Other versions
DK143714C (da
DK143714B (da
Inventor
M E Long
C K Lee
Original Assignee
Reynolds Tobacco Co R
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 Reynolds Tobacco Co R filed Critical Reynolds Tobacco Co R
Publication of DK545175A publication Critical patent/DK545175A/da
Priority to DK197378A priority Critical patent/DK143711C/da
Publication of DK143714B publication Critical patent/DK143714B/da
Application granted granted Critical
Publication of DK143714C publication Critical patent/DK143714C/da

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; PREPARATION 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)
DK545175A 1974-12-04 1975-12-03 Fremgangsmaade til hydrolyse af lactose under dannelse af glucose og galactose DK143714C (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK197378A DK143711C (da) 1974-12-04 1978-05-05 Fremgangsmaade til fremstilling af lactase med forbedret termostabilitet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52932974A 1974-12-04 1974-12-04
US52932974 1974-12-04

Publications (3)

Publication Number Publication Date
DK545175A true DK545175A (da) 1976-06-05
DK143714B DK143714B (da) 1981-09-28
DK143714C DK143714C (da) 1982-03-22

Family

ID=24109461

Family Applications (1)

Application Number Title Priority Date Filing Date
DK545175A DK143714C (da) 1974-12-04 1975-12-03 Fremgangsmaade til hydrolyse af lactose under dannelse af glucose og galactose

Country Status (8)

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

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
NL7514110A (nl) 1976-06-09
FR2293490A1 (fr) 1976-07-02
DK143714C (da) 1982-03-22
FR2293490B1 (da) 1979-08-10
CA1055416A (en) 1979-05-29
DE2554407A1 (de) 1976-06-10
CH611647A5 (en) 1979-06-15
BE836246A (fr) 1976-06-03
DK143714B (da) 1981-09-28
GB1493542A (en) 1977-11-30

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