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Combined use of Bacteria and Enzymes in the Degradation of Polymer Materials
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Researchers developed a combined bacteria-enzyme bioproduct capable of degrading biodegradable polymer materials, finding that synergistic microbial and enzymatic action accelerates breakdown more effectively than either component alone, offering a practical strategy for managing bioplastic waste.
The development of the plastics industry, pro-ecological directives and environmental problems related to the decomposition of biodegradable plastics create necessity to develop a way to properly manage waste from materials that should not be deposited in the environment. A bioproduct has been developed to be used for accelerating the biodegradation of polymer materials. The bioproduct includes carefully selected microorganisms and enzymes. It has been observed that metabolic activity of selected bacteria increases significantly in the presence of plastic material, causing degradative changes. In addition, enzymes were used that also stimulate the decomposition of polymer materials. Impact of bacteria and enzymes on polymer biodegradation was analyzed using different methods: BOD, mass loss, SEM-EDX and FTIR-ATR. Also the effect on plant growth was examined. Five bacterial strains were selected as the active ingredients of the bioproduct, including two bacterial strains from the designated collection and three isolated from environment. Four hydrolytic enzymes have been selected that have the potential to accelerate the decomposition of polymer materials. Keywords: bacteria, enzymes, biodegradation, polymer materials
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