Burkholderia thailandensis as a microbial cell factory for the bioconversion of used cooking oil to polyhydroxyalkanoates and rhamnolipids.
作者： C. Kourmentza , J. Costa , Z. Azevedo , C. Servin , C. Grandfils
DOI: 10.1016/J.BIORTECH.2017.09.138
关键词:
摘要: Abstract The present work assessed the feasibility of used cooking oil as a low cost carbon source for rhamnolipid biosurfactant production employing strain Burkholderia thailandensis. According to results, B. thailandensis was able produce rhamnolipids up 2.2 g/L, with dominant congener being di-rhamnolipid Rha-Rha-C14-C14. Rhamnolipids had ability reduce surface tension 37.7 mN/m and interfacial against benzene oleic acid 4.2 1.5 mN/m, while emulsification index kerosene reached 64%. accumulate intracellular biopolymers, in form polyhydroxyalkanoates (PHA), also monitored. Polyhydroxybutyrate (PHB) accumulated simultaneously consisted 60% cell dry weight. PHB further characterized terms its molecular weight thermal properties. This is first study reporting simultaneous by non-pathogen producer
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