FI902888A - ENZYMPRODUKT OCH FOERFARANDE FOER FRAMSTAELLNING DAERAV. - Google Patents

ENZYMPRODUKT OCH FOERFARANDE FOER FRAMSTAELLNING DAERAV. Download PDF

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Publication number
FI902888A
FI902888A FI902888A FI902888A FI902888A FI 902888 A FI902888 A FI 902888A FI 902888 A FI902888 A FI 902888A FI 902888 A FI902888 A FI 902888A FI 902888 A FI902888 A FI 902888A
Authority
FI
Finland
Prior art keywords
enzymprodukt
foerfarande foer
foer framstaellning
och foerfarande
xylanase
Prior art date
Application number
FI902888A
Other languages
Finnish (fi)
Other versions
FI85986B (en
FI902888A0 (en
FI85986C (en
Inventor
Liisa Viikari
Marjaana Raettoe
Anne Kantelinen
Original Assignee
Valtion Teknillinen
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
Priority claimed from FI901164A external-priority patent/FI901164A/en
Application filed by Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI902888A priority Critical patent/FI85986C/en
Publication of FI902888A0 publication Critical patent/FI902888A0/en
Priority to AU79903/91A priority patent/AU7990391A/en
Priority to PCT/FI1991/000183 priority patent/WO1991018978A1/en
Publication of FI902888A publication Critical patent/FI902888A/en
Publication of FI85986B publication Critical patent/FI85986B/en
Application granted granted Critical
Publication of FI85986C publication Critical patent/FI85986C/en

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  • Enzymes And Modification Thereof (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

The invention relates to an enzyme product and a method for production thereof. The product according to the invention is produced by culturing the strain ATCC 21783 of the microorganism Bacillus circulans on an alkaline culture medium. It contains β-xylanase whose molecular weight is about 28 000 and isoelectric point about 8.8, and/or β-xylanase whose molecular weight is about 25 000 to about 28 000 and isoelectric point about 8.4 to 8.5. The xylanase product according to the invention is suitable for use in the bleaching of cellulose material, for example to reduce the use of bleaching chemicals such as chlorine dioxide.
FI902888A 1990-03-08 1990-06-08 Enzyme product and process for its preparation FI85986C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI902888A FI85986C (en) 1990-03-08 1990-06-08 Enzyme product and process for its preparation
AU79903/91A AU7990391A (en) 1990-06-08 1991-06-10 Beta -xylanase preparation, process for the preparation thereof and its use in pulp bleaching
PCT/FI1991/000183 WO1991018978A1 (en) 1990-06-08 1991-06-10 β-XYLANASE PREPARATION, PROCESS FOR THE PREPARATION THEREOF AND ITS USE IN PULP BLEACHING

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI901164A FI901164A (en) 1990-03-08 1990-03-08 BEHANDLINGSFOERFARANDE FOER CELLULOSAMASSA.
FI901164 1990-03-08
FI902888 1990-06-08
FI902888A FI85986C (en) 1990-03-08 1990-06-08 Enzyme product and process for its preparation

Publications (4)

Publication Number Publication Date
FI902888A0 FI902888A0 (en) 1990-06-08
FI902888A true FI902888A (en) 1991-09-09
FI85986B FI85986B (en) 1992-03-13
FI85986C FI85986C (en) 1992-06-25

Family

ID=26158709

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902888A FI85986C (en) 1990-03-08 1990-06-08 Enzyme product and process for its preparation

Country Status (1)

Country Link
FI (1) FI85986C (en)

Also Published As

Publication number Publication date
FI85986B (en) 1992-03-13
FI902888A0 (en) 1990-06-08
FI85986C (en) 1992-06-25

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Owner name: VALTION TEKNILLINEN TUTKIMUSKESKUS