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Simultaneous production of pullulan and biosorption of metals by Aureobasidium pullulans strain CH-1 on peat hydrolysate

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2008
Authors
Radulović, Milanka
Cvetković, Olga
Nikolic, Snezana D.
Đorđević, Dragana
Jakovljević, Dragica
Vrvić, Miroslav
Article (Published version)
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Abstract
It was demonstrated that during the growth of Aureobasidium pullidans strain CH-1 on the acid hydrolysate of peat from the Vlasina Lake, the content of metals (Cu, Fe, Zn, Mn, Pb, Cd, Ni and Cr) decreased due to biosorption. The reduction in the metal content was found to be in the range (%): 38.2-62.2, 67.7-97.3, 0.02-62.05, 0.05-23.97, 0.16-4.24, 3.45-51.72, 1.18-35.82, 0.86-44.44, for Cu, Fe, Zn, Mn, Pb, Cd, Ni and Cr, respectively. During this process, the metals were accumulated in the biomass, while pullulan, an extracellular polysaccharicle produced by Aureobasichum pullidans strain CH-1, was found not to bind the above-mentioned metals.
Keywords:
peat / Aureobasidium pullulans / metals / biosorption / pullulan
Source:
Bioresource Technology, 2008, 99, 14, 6673-6677
Publisher:
  • Elsevier Sci Ltd, Oxford

DOI: 10.1016/j.biortech.2007.11.053

ISSN: 0960-8524

PubMed: 18166451

WoS: 000257150800093

Scopus: 2-s2.0-44149089107
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/416
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