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Organic matter transformation and detoxification in dry olive mill residue by the saprophytic fungus Paecilomyces farinosus
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SYSNO ASEP 0335029 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Organic matter transformation and detoxification in dry olive mill residue by the saprophytic fungus Paecilomyces farinosus Title Transformace organické složka a detoxifikace ve zbytku po suchém zpracování oliv pomocí saprotrofní houby Paecilomyces farinosus Author(s) Sampedro, M.C. (IT)
Cajthaml, Tomáš (MBU-M) RID, ORCID
Marinari, S. (IT)
Petruccioli, M. (IT)
Grego, S. (IT)
D´Annibale, A. (IT)Source Title Process Biochemistry. - : Elsevier - ISSN 1359-5113
Roč. 44, č. 2 (2009), s. 216-225Number of pages 10 s. Language eng - English Country GB - United Kingdom Keywords Dry olive mill residue ; Phenols ; Paecilomyces farinosus Subject RIV EE - Microbiology, Virology R&D Projects LC06066 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) 2B06156 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z50200510 - MBU-M (2005-2011) UT WOS 000263251900014 DOI 10.1016/j.procbio.2008.10.016 Annotation Dry olive mill residue (DOR), the by-product of the two-phase extraction process, is very rich in organic matter and nutritionally relevant cations. The objective of this study was to investigate the impact of Paecilomyces farinosus on both organic matter modification and detoxification of this waste. Humification ratio in DOR colonized by the fungus for 20 weeks was increased by about 65 percent with respect to the abiotic control and humification index reached 0.38. High performance size-exclusion chromatography of humic acids from fungal cultures showed a marked increase in both weight-averaged and number-averaged molecular weights with respect to abiotic controls. Water-soluble phenols were reduced by 45 percent and the molecular weight fraction of phenols above 30 kDa increased from 31 to 72 percent Workplace Institute of Microbiology Contact Eliška Spurná, eliska.spurna@biomed.cas.cz, Tel.: 241 062 231 Year of Publishing 2010
Number of the records: 1