FR2293490A1 - PRODUCTION OF HEAT-STABLE LACTASE AND ITS APPLICATION TO LACTOSE HYDROLYSIS - Google Patents

PRODUCTION OF HEAT-STABLE LACTASE AND ITS APPLICATION TO LACTOSE HYDROLYSIS

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
French (fr)
Other versions
FR2293490B1 (en
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/en
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 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)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Enzymes And Modification Thereof (AREA)
FR7536980A 1974-12-04 1975-12-03 PRODUCTION OF HEAT-STABLE LACTASE AND ITS APPLICATION TO LACTOSE HYDROLYSIS Granted FR2293490A1 (en)

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 (en) 1976-07-02
FR2293490B1 FR2293490B1 (en) 1979-08-10

Family

ID=24109461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536980A Granted FR2293490A1 (en) 1974-12-04 1975-12-03 PRODUCTION OF HEAT-STABLE LACTASE AND ITS APPLICATION TO LACTOSE HYDROLYSIS

Country Status (8)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006035A2 (en) * 1978-06-07 1979-12-12 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 (en) * 1979-01-10 1980-10-31 Novo Industri As ENZYMATIC PRODUCT CONTAINING BETA-GALACTOSIDASE, MICROORGANISM AND METHOD FOR THE PREPARATION AND USE OF THIS PRODUCT.

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006035A2 (en) * 1978-06-07 1979-12-12 National Research Development Corporation Bacterial beta-galactosidase, immobilized forms thereof, process for their preparation and use in the hydrolysis of lactose, and novel bacteria
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 (en) * 1979-01-10 1980-10-31 Novo Industri As ENZYMATIC PRODUCT CONTAINING BETA-GALACTOSIDASE, MICROORGANISM AND METHOD FOR THE PREPARATION AND USE OF THIS PRODUCT.

Also Published As

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

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Legal Events

Date Code Title Description
ST Notification of lapse