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KMID : 0545120170270050990
Journal of Microbiology and Biotechnology
2017 Volume.27 No. 5 p.990 ~ p.994
Production of Polyhydroxyalkanoates from Sludge Palm Oil Using Pseudomonas putida S12
Kang Du-Kyeong

Lee Cho-Ryong
Lee Sun-Hee
Bae Jung-Hoon
Park Young-Kwon
Rhee Young-Ha
Sung Bong-Hyun
Sohn Jung-Hoon
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 P HAs from crude s ludge p alm o il ( SPO) a s 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.
KEYWORD
Sludge palm oil, waste utilization, PHA, Pseudomonas, bioplastic
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