Kang Du-Kyeong, Lee Cho-Ryong, Lee Sun Hee, Bae Jung-Hoon, Park Young-Kwon, Rhee Young Ha, Sung Bong Hyun, Sohn Jung-Hoon
Cell Factory Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea.
Department of Biosystems and Bioengineering, Korea University of Science and Technology (UST), Daejeon, 34113, Republic of Korea.
J Microbiol Biotechnol. 2017 May 28;27(5):990-994. doi: 10.4014/jmb.1612.12031.
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 strains of P HAs from crude s ludge p alm oil ( SPO) a s an inexpensive renewable raw material was tested. 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.
聚羟基脂肪酸酯（PHA）是细菌产生的可生物降解塑料，但其高生产成本限制了它们在各种应用中的使用。为了降低这些成本，测试了利用粗制棕榈油（SPO）作为廉价可再生原料，通过菌株将其转化为PHA的方法。发现S12菌株从SPO中生产弹性体中链长度（MCL）-PHA的产量最高（约41%）。通过气相色谱/质谱、凝胶渗透色谱和差示扫描量热法分析了MCL-PHA的特性。这些发现可能有助于通过降低PHA生产成本来更广泛地使用PHA。
