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CHARACTERIZATION OF A SOLVENT-TOLERANT MANGANESE PEROXIDASE (MnP) FROM GANODERMA LUCIDUM AND ITS APPLICATION IN FRUIT JUICE CLARIFICATION

Title
CHARACTERIZATION OF A SOLVENT-TOLERANT MANGANESE PEROXIDASE (MnP) FROM GANODERMA LUCIDUM AND ITS APPLICATION IN FRUIT JUICE CLARIFICATION
Author
Heese, Klaus
Keywords
PHANEROCHAETE-CHRYSOSPORIUM; LIGNINOLYTIC ENZYMES; ORGANIC-SOLVENTS; PURIFICATION; LACCASE; BIODEGRADATION; PROTEINS; DECOLORIZATION; FERMENTATION; ETHANOL
Issue Date
2015-12
Publisher
WILEY-BLACKWELL
Citation
JOURNAL OF FOOD BIOCHEMISTRY, v. 39, NO 6, Page. 754-764
Abstract
Manganese peroxidase (MnP) is necessary in fruit juice clarification for the degradation of phenolic compounds. In the present study, MnP was produced using basal medium supplemented with tamarind shell (1% w/v), ethanol (2% v/v) and gallic acid (1 mM) to a maximum activity of 65 U/mL. A 43.0 kDa MnP was purified by ammonium sulfate fractionation, Sephadex G-100 and DEAE-cellulose column chromatography with 6.5-fold and 13% yield. The optimal activity of the purified MnP was achieved at pH 5.5 and temperature of 45C with 2,6dimethoxyphenol as substrate. The inhibitors sodium azide, cyanide and EDTA inhibited the MnP activity up to 100, 93 and 84%, respectively. MnP showed high activity and stability in the presence of different metal ions, surfactants and organic solvents. Clarification of different fruit juices with MnP showed its potential application in the food and beverage industry.
URI
http://onlinelibrary.wiley.com/doi/10.1111/jfbc.12188/abstracthttp://hdl.handle.net/20.500.11754/30059
ISSN
0145-8884; 1745-4514
DOI
10.1111/jfbc.12188
Appears in Collections:
GRADUATE SCHOOL OF BIOMEDICAL SCIENCE AND ENGINEERING[S](의생명공학전문대학원) > ETC
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