Title:
LIGNIN DECOMPOSITION USING LACCASE AND LIGNIN DECOMPOSING AGENT
Document Type and Number:
Japanese Patent JP3858086
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To efficiently decompose lignin in pulp without using a chlorine-based chemical by using both a laccase-containing substance and a composition containing terremutin and/or terreic acid.
SOLUTION: Lignin of scrap wood, pulp, etc., is decomposed by using a lignin decomposing agent obtained by mixing a laccase-containing substance composed of a cultured product of at least one laccase producing fungus selected from the group consisting of Schizophyllum commune, Coriolus versicolor, Pycnoporus coccineus, Pleurotus octreatus and Fomitella fraxinea or its treated substance with a composition containing terremutin of formula I and/or terreic acid of formula II composed of a cultured product of a fungus Aspergillus capable of producing terremutin and terreic acid or its treated substance.
Inventors:
Hitoshi Uematsu
Yoshio Watanabe
Takeo Yoshioka
Ryuichiro Kurane
Yoshio Watanabe
Takeo Yoshioka
Ryuichiro Kurane
Application Number:
JP23253498A
Publication Date:
December 13, 2006
Filing Date:
August 19, 1998
Export Citation:
Assignee:
National Institute of Advanced Industrial Science and Technology
International Classes:
C12N9/02; B09B3/00; D21C9/10; C02F3/34; C12N1/00; C12P17/02; C12S3/08; C12R1/645; C12R1/66; (IPC1-7): D21C9/10; C12N1/00; C12N9/02; C12S3/08; //B09B3/00; C02F3/34; C12P17/02; (C12N9/02; C12R1:645); (C12P17/02; C12R1:66)
Domestic Patent References:
| JP9503257A | ||||
| JP10077589A | ||||
| JP5505857A | ||||
| JP6508663A | ||||
| JP9095885A | ||||
| JP3026782A |