JPS63301789A - 安定性が低下したα−アミラーゼ及びその製造方法 - Google Patents

安定性が低下したα−アミラーゼ及びその製造方法

Info

Publication number
JPS63301789A
JPS63301789A JP62323058A JP32305887A JPS63301789A JP S63301789 A JPS63301789 A JP S63301789A JP 62323058 A JP62323058 A JP 62323058A JP 32305887 A JP32305887 A JP 32305887A JP S63301789 A JPS63301789 A JP S63301789A
Authority
JP
Japan
Prior art keywords
amylase
enzyme
group
flour
anhydride
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.)
Pending
Application number
JP62323058A
Other languages
English (en)
Japanese (ja)
Inventor
フイリップ・ジエイ・ブルーム
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.)
ENZAIMU BIO SYST Ltd
ENZAIMU BIO-SYST Ltd
Original Assignee
ENZAIMU BIO SYST Ltd
ENZAIMU BIO-SYST Ltd
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 ENZAIMU BIO SYST Ltd, ENZAIMU BIO-SYST Ltd filed Critical ENZAIMU BIO SYST Ltd
Publication of JPS63301789A publication Critical patent/JPS63301789A/ja
Pending 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
    • C12N9/14—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)
    • C12N9/2405—Glucanases
    • C12N9/2408—Glucanases acting on alpha -1,4-glucosidic bonds
    • C12N9/2411—Amylases
    • C12N9/2414—Alpha-amylase (3.2.1.1.)
    • C12N9/2417—Alpha-amylase (3.2.1.1.) from microbiological source
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21D—TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
    • A21D8/00—Methods for preparing or baking dough
    • A21D8/02—Methods for preparing dough; Treating dough prior to baking
    • A21D8/04—Methods for preparing dough; Treating dough prior to baking treating dough with microorganisms or enzymes
    • A21D8/042—Methods for preparing dough; Treating dough prior to baking treating dough with microorganisms or enzymes with enzymes
    • 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
    • C12N9/96—Stabilising an enzyme by forming an adduct or a composition; Forming enzyme conjugates
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Cereal-Derived Products (AREA)
JP62323058A 1986-12-22 1987-12-22 安定性が低下したα−アミラーゼ及びその製造方法 Pending JPS63301789A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94412986A 1986-12-22 1986-12-22
US944,129 1992-09-11

Publications (1)

Publication Number Publication Date
JPS63301789A true JPS63301789A (ja) 1988-12-08

Family

ID=25480840

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62323058A Pending JPS63301789A (ja) 1986-12-22 1987-12-22 安定性が低下したα−アミラーゼ及びその製造方法

Country Status (7)

Country Link
EP (1) EP0273268A3 (enExample)
JP (1) JPS63301789A (enExample)
AU (1) AU8225187A (enExample)
DK (1) DK672387A (enExample)
FI (1) FI874994L (enExample)
IN (1) IN165610B (enExample)
NZ (1) NZ222334A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2032518A1 (en) * 1989-06-29 1990-12-30 Jan H. Van Eijk Mutant enzyme having reduced stability under industrial application conditions
US5209938A (en) * 1989-09-13 1993-05-11 Cpc International Inc. Method for retarding staling of baked goods
US5059430A (en) * 1990-09-12 1991-10-22 Enzyme Bio-Systems Ltd. Enzyme composition for retarding staling of baked goods
NZ250048A (en) * 1992-10-28 1994-10-26 Enzyme Bio Systems Ltd Production of maltodextrins by selective hydrolysation of starches by enzymatic methods
GB9413419D0 (en) * 1994-07-04 1994-08-24 Danisco Amylase enzyme
US5958739A (en) * 1996-06-06 1999-09-28 Genencor International Inc. Mutant α-amylase
US6080568A (en) * 1997-08-19 2000-06-27 Genencor International, Inc. Mutant α-amylase comprising modification at residues corresponding to A210, H405 and/or T412 in Bacillus licheniformis
US20020155574A1 (en) 2000-08-01 2002-10-24 Novozymes A/S Alpha-amylase mutants with altered properties

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320151A (en) * 1976-06-07 1982-03-16 Cole Morton S Antistaling baking composition
US4255454A (en) * 1978-12-28 1981-03-10 Sven Branner-Jorgensen Thermal destabilization of microbial rennet
IE52434B1 (en) * 1981-01-15 1987-10-28 Cpc International Inc A process for cloning the gene coding for a thermostable alpha-amylase into escherichia coli and bacillus subtilis

Also Published As

Publication number Publication date
IN165610B (enExample) 1989-11-25
EP0273268A2 (en) 1988-07-06
NZ222334A (en) 1989-10-27
DK672387D0 (da) 1987-12-21
FI874994A7 (fi) 1988-06-23
FI874994A0 (fi) 1987-11-12
FI874994L (fi) 1988-06-23
AU8225187A (en) 1988-06-23
EP0273268A3 (en) 1989-11-08
DK672387A (da) 1988-06-23

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