The Effect of Humic Acids on Zymogenous Microbial Consortia Growth
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AutoriMiletić, Srđan B.
Ilić, Mila V.
Gojgić-Cvijović, Gordana D.
Vrvić, Miroslav M.
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This paper describes experiments with standard humic acids (HA-S) and humic acids (HA) isolated from soil that was contaminated with mazut and treated with a consortium of microorganisms for the process of bioremediation (HA-E). Both acids inhibited the toxicity of ferric chloride and increased the growth of a zymogenous microbial consortia compared with controls. Electron paramagnetic resonance spectroscopy showed that HA-S and HA-E exhibit high anti-oxidative activity involving free radical scavenging and iron sequestration. HA additionally promote microbial consortium growth by providing protection from oxidative stress.
Ključne reči:Bacterial metabolism / Bioremediation / Ferric iron / Oxidative stress
Izvor:CLEAN - Soil Air Water, 2014, 42, 9, 1280-1283
- Wiley-Blackwell, Hoboken