Biodegradability of chemically synthesized syndiotactic poly(β-[r]-hydroxybutyrate) in soil of northeast China

Guo Xia Zhang, Ji Dong Gu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Degradability of syndiotactic poly ([R]-β-hydroxybutyrate) (syn-PHB), a chemically synthesized PHB, was investigated in this study by incubation of the polymer films in a soil of northeastern China. During incubation, progressive weight loss of the syn-PHB films and a corresponding decrease of molecular weight were observed over the 90 days of incubation indicating the biodegradation of syn-PHB and a random cleavage of the ester bonds. Microorganisms isolated and identified from the partially degraded films included Pseudomonas spp., Alcaligenese sp., and Comamonas sp.. Our results suggest that chemically synthesized syn-PHB is biodegradable under aerobic conditions in soil.

Original languageEnglish
Pages (from-to)43-46
Number of pages4
JournalApplied Environmental Biotechnology
Volume2
Issue number2
DOIs
StatePublished - 2017
Externally publishedYes

Keywords

  • Biodegradability
  • Biodegradable plastics
  • Polyhydroxyalkanoates
  • Soil test
  • Synthetic

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