Production of polyhydroxyalkanoates from sludge palm oil using pseudomonas putida S12

Du Kyeong Kang, Cho Ryong Lee, Sun Hee Lee, Jung Hoon Bae, Young Kwon Park, Young Ha Rhee, Bong Hyun Sung, Jung Hoon Sohn

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Polyhydroxyalkanoates (PHAs) are biodegradable plastics produced by bacteria, but their use in diverse applications is prohibited by high production costs. To reduce these costs, the conversion by Pseudomonas strains of PHAs from crude sludge palm oil (SPO) as an inexpensive renewable raw material was tested. Pseudomonas putida S12 was found to produce the highest yield (~41%) of elastomeric medium-chain-length (MCL)-PHAs from SPO. The MCL-PHA characteristics were analyzed by gas-chromatography/mass spectrometry, gel permeation chromatography, and differential scanning calorimetry. These findings may contribute to more widespread use of PHAs by reducing PHA production costs.

Original languageEnglish
Pages (from-to)990-994
Number of pages5
JournalJournal of Microbiology and Biotechnology
Volume27
Issue number5
DOIs
StatePublished - May 2017

Keywords

  • Bioplastic
  • PHA
  • Pseudomonas
  • Sludge palm oil
  • Waste utilization

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