KMID : 0545120170270050990
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Journal of Microbiology and Biotechnology 2017 Volume.27 No. 5 p.990 ~ p.994
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Production of Polyhydroxyalkanoates from Sludge Palm Oil Using Pseudomonas putida S12
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Kang Du-Kyeong
Lee Cho-Ryong Lee Sun-Hee Bae Jung-Hoon Park Young-Kwon Rhee Young-Ha Sung Bong-Hyun Sohn Jung-Hoon
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Abstract
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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.
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KEYWORD
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Sludge palm oil, waste utilization, PHA, Pseudomonas, bioplastic
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