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Decolorization of semisolid olive residues of “alperujo” during the solid state fermentation by Phanerochaete chrysosporium, Trametes versicolor, Pycnoporus cinnabarinus and Aspergillus niger

Paper ID Volume ID Publish Year Pages File Format Full-Text
4601 234 2007 6 PDF Available
Title
Decolorization of semisolid olive residues of “alperujo” during the solid state fermentation by Phanerochaete chrysosporium, Trametes versicolor, Pycnoporus cinnabarinus and Aspergillus niger
Abstract

Studies were carried out on decolorization of semisolid olive mill residues called “alperujo” (AL), by four strains of Phanerochaete chrysosporium, Trametes versicolor, Pycnoporus cinnabarinus and Aspergillus niger in solid state frementation (SSF). Fungal strains were selected by their ability to grow on olive mill waste water. The treatment of AL with P. chrysosporium led to higher removal of organic matter and decolorization than P. cinnabarinus and T. versicolor. The strain A. niger leads to a relative improvement of the biodegradability of OMW. Using P. chrysosporium, the treatment of AL substrate in SSF showed an efficient decolorization and an appreciable COD and phenolic content removal only in the presence of a support. Sugarcane bagasse used as support improved the oxygen transfer in the culture. The extracellular fluid of P. chrysosporium (composed mainly of LiP) exhibited high ability to decolorize AL showing the efficiency of the enzyme produced. A percentage of sugarcane bagasse equal to 30% was an optimal condition to improve the growth and the decolorization of AL. The results showed good prospects of using the three basidiomycetes, in particular P. chrysosporium, for the Decolorization of AL.

Keywords
Alperujo; Decolorization; Phanerochaete chrysosporium; Respirometry; Solid state fermentation
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Decolorization of semisolid olive residues of “alperujo” during the solid state fermentation by Phanerochaete chrysosporium, Trametes versicolor, Pycnoporus cinnabarinus and Aspergillus niger
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 35, Issue 2, 15 July 2007, Pages 120–125
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us