Published in Scientific Bulletin. Series F. Biotechnologies, Vol. XXVIII, Issue 1
Written by Mirela-Nicoleta DINCĂ, Mariana FERDEȘ, Gigel PARASCHIV, Bianca-Ștefania ZĂBAVĂ, Georgiana MOICEANU
Agro-industrial waste is an abundant and renewable resource being an alternative for fossil fuels by production of biogas. This substrate has a high content of organic polymers and other high-mass substances, such as: starch, lignocellulose, proteins, lipids, and other compounds. For the degradation of these compounds, several microorganisms (bacteria and fungi) were isolated from the soil and characterized in terms of enzyme production: amylases, cellulases, laccases, proteases, and lipases. The microorganisms that had the highest enzyme indices were multiplied by cultivation in liquid media in order to highlight the degree of decomposition of the organic matter in the substrate. The aim of the article is to obtain at least 5 microbial strains with high degradative potential that can increase the degree of the substrate degradation through specific hydrolysis reactions of organic compounds.
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