Solid-Phase Biodegradation of Polylactides (Review)

The main problem associated with the use of polylactides (PLAs) in various fields is the requirement for their controlled degradation in the composition of waste. However, the possibilities of biodegradation of PLAs have not been sufficiently studied. It is assumed that microorganisms can decompose...

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Published inApplied biochemistry and microbiology Vol. 58; no. 6; pp. 665 - 676
Main Authors Mironov, V. V., Trofimchuk, E. S., Zagustina, N. A., Ivanova, O. A., Vanteeva, A. V., Bochkova, E. A., Ostrikova, V. V., Zhang, S.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.12.2022
Springer Nature B.V
Subjects
Biochemistry
Biodegradation
Biomedical and Life Sciences
Composting
Food waste
Life Sciences
Medical Microbiology
Microbiology
Microorganisms
Molecular weight
Polylactic acid
Polymers
Solid phases
biodegradation
microbial community
polylactide
industrial composting
bioplastics
food waste
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Summary:The main problem associated with the use of polylactides (PLAs) in various fields is the requirement for their controlled degradation in the composition of waste. However, the possibilities of biodegradation of PLAs have not been sufficiently studied. It is assumed that microorganisms can decompose a polymer only after its preliminary chemical hydrolysis and reduction of its molecular weight to 10 000 and less. This review examines the influence of various factors on the abiotic and biotic stages of the degradation of PLAs. Special attention is paid to the peculiarities of polymer biodegradation in the conditions of industrial composting as the most promising method of its processing as part of food waste. The microorganisms involved in the degradation of PLAs, as well as their enzymes, are shown.
ISSN:0003-6838
1608-3024
DOI:10.1134/S0003683822060102