Journal
INDIAN JOURNAL OF MICROBIOLOGY
Volume 56, Issue 1, Pages 59-63Publisher
SPRINGER
DOI: 10.1007/s12088-015-0559-z
Keywords
Biodegradability; Polylactic acid; Enzymatic degradation; Microbial degradation
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Funding
- CSIR, New Delhi under the XIIth Five year plan Net work project Waste to Wealth [CSC 0120]
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Bioplastics are eco-friendly and derived from renewable biomass sources. Innovation in recycling methods will tackle some of the critical issues facing the acceptance of bioplastics. Polylactic acid (PLA) is the commonly used and well-studied bioplastic that is presumed to be biodegradable. Considering their demand and use in near future, exploration for microbes capable of bioplastic degradation has high potential. Four PLA degrading strains were isolated and identified as Penicillium chrysogenum, Cladosporium sphaerospermum, Serratia marcescens and Rhodotorula mucilaginosa. A consortium of above strains degraded 44 % (w/w) PLA in 30 days time in laboratory conditions. Subsequently, the microbial consortium employed effectively for PLA composting.
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