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Removal of lignin in a liquid system by an isolated fungus

✍ Scribed by Akihiko Sakurai; Tatsuhiko Yamamoto; Akemi Makabe; Shinichi Kinoshita; Mikio Sakakibara

Publisher
Wiley (John Wiley & Sons)
Year
2001
Tongue
English
Weight
145 KB
Volume
77
Category
Article
ISSN
0268-2575

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The screening of a strain which could perform lignin removal was carried out. Based on taxonomic study the isolated strain (LM‐2) was identified as Penicillium sp. LM‐2 could decolorize 0.6 gβ€…dm^βˆ’3^ lignin within 4 days in a shaking culture at 25 °C. The efficiency of decolorization of the lignin was over 80% in the pH range of 4.0–6.0, but was low above pH 6.2. The rise of temperature had a slight adverse effect on the lignin decolorization in the range of 25–35 °C. Lignolytic enzymes such as lignin peroxidase, manganese peroxidase and laccase were not detected in the culture broth or within the fungal cells. The lignin was removed from the high molecular weight fraction mainly by adsorption and accumulation inside the cells.

Β© 2001 Society of Chemical Industry

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