Biodegradation of chemically synthesized syndiotactic poly(b-[R]-hydroxybutyrate) in a soil of Northeastern China

Guo Xia Zhang, J Gu

Research output: Contribution to journalArticlepeer-review

Abstract

Degradability of syndiotactic poly ([R]--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
JournalApplied Environmental Biotechnology
StatePublished - 2017
Externally publishedYes

Keywords

  • biodegradable plastics
  • polyhydroxyalkanoates
  • soil test
  • synthetic
  • biodegradability

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