KMITL
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Item type:Publication, Effect of media and salinity on lipid content of cyanobacterium Hapalosiphon sp(2014-01-01)Ruangsomboon, SuneeratThe aim of the present work was to study the individual effect of media constituents: sodium nitrate, di-potassium hydrogen orthophosphate, ferric ammonium citrate and salinity on lipid production by Hapalosiphon sp. which cultured in BG-11 medium, in view of its possible utilization as novel raw materials for biodiesel production. Lipid content of Hapalosiphon sp. cultivated in medium containing 1, 500 mg/L sodium nitrate was 15. 78±0. 51%. Indeed, the highest lipid yield of 0. 063 g/L was found in a medium containing 375 mg/L sodium nitrate. The highest lipid content of Hapalosiphon sp. cultivated in medium containing 10 mg/L di-potassium hydrogen orthophosphate was 11. 50±0. 45%, while the highest lipid yield of 0. 044 g/L were occurred in a medium containing 20 mg/L di-potassium hydrogen orthophosphate. In various ferric ammonium citrate concentrations cultivation, the highest lipid content of Hapalosiphon sp. cultivated in a medium containing 9 mg/L ferric ammonium citrate was 12. 64±0. 38%. However, the highest lipid yield of 0. 063 g/L occurred in a medium containing 12 mg/L ferric ammonium citrate. The significantly highest lipid content and lipid productivity of Hapalosiphon sp. cultivated in salinity 10 ppt were 9. 95±0. 34% and 0. 049 g/L respectively. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Effect of light, nutrient, cultivation time and salinity on lipid production of newly isolated strain of the green microalga, Botryococcus braunii KMITL 2(2012-04-01)Ruangsomboon, SuneeratThe green microalga strain, Botryococcus braunii KMITL 2, was isolated from a freshwater reservoir in central Thailand, and the effects of light, nitrogen, phosphorus, iron, cultivation time and salinity on lipid production were studied by varying parameters one at a time. When cultured in Chlorella medium containing 222mgL <sup>-1</sup> phosphorus (PO43--P) under continuous illumination of 200μEm <sup>-2</sup>s <sup>-1</sup> with a salinity of 0psu, a maximum lipid content of 54.69±3.13% was obtained. Its high lipid content makes strain KMITL 2 a potential source for biodiesel production in tropical regions. © 2011 Elsevier Ltd.