Document Detail

Decolorization of molasses and a dye by a newly isolated strain of the fungus Geotrichum candidum Dec 1.
MedLine Citation:
PMID:  10099519     Owner:  NLM     Status:  MEDLINE    
A fungus, Geotrichum candidum Dec 1, newly isolated as a dye-decolorizing microorganism, was used to decolorize molasses and an anthraquinone dye in shaken flasks. A degree of decolorization of molasses of 87% was achieved after 12 days of cultivation, and the maximum rate of decolorization of the dye in the culture broth was obtained in 7 days. The apparent activity of peroxidase in the molasses, which is responsible for dye decolorization, was significantly lower than that of purified peroxidase, due to the inhibition by molasses, but the inhibition was reduced after the fungus was fully grown. As two ultrafiltered fractions of molasses were similarly decolorized by Dec 1, Dec 1 apparently degraded colored substances of a wide range of molecular weights. When Dec 1 was cultivated in a medium in which sucrose in the molasses was hydrolyzed with invertase, the degree of decolorization of molasses, and rate of decolorization of the dye were similar to these obtained above.
S J Kim; M Shoda
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biotechnology and bioengineering     Volume:  62     ISSN:  0006-3592     ISO Abbreviation:  Biotechnol. Bioeng.     Publication Date:  1999 Jan 
Date Detail:
Created Date:  1999-05-07     Completed Date:  1999-05-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7502021     Medline TA:  Biotechnol Bioeng     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  114-9     Citation Subset:  IM    
Copyright Information:
Copyright 1999 John Wiley & Sons, Inc.
Research Laboratory of Resources Utilization, Tokyo Institute of Technology, Nagatsuta, Midori-ku, Yokohama 226-8503, Japan.
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MeSH Terms
Biodegradation, Environmental
Coloring Agents / metabolism*
Geotrichum / growth & development,  isolation & purification,  metabolism*
Glycoside Hydrolases / metabolism
Peroxidases / metabolism
Water Pollutants, Chemical / metabolism
Reg. No./Substance:
0/Coloring Agents; 0/Water Pollutants, Chemical; EC 1.11.1.-/Peroxidases; EC 3.2.1.-/Glycoside Hydrolases; EC

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