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

被引：20
作者：
Radulovic, Milanka D. [1 ]
Cvetkovic, Olga G. [1 ]
Nikolic, Snezana D. [2 ]
Dordevic, Dragana S. [1 ]
Jakovjevic, Dragica M. [1 ]
Vrvic, Miroslav M. [1 ,2 ]
机构：
[1] IChTM, Dept Chem, Belgrade 11001, Serbia
[2] Univ Belgrade, Fac Chem, Belgrade 11001, Serbia
来源：
BIORESOURCE TECHNOLOGY | 2008年 / 99卷 / 14期
关键词：
peat; Aureobasidium pullulans; metals; biosorption; pullulan;
D O I：
10.1016/j.biortech.2007.11.053
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
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. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：6673 / 6677
页数：5
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