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영흥도에서 분리된 Phaeodactylum tricornutum의 증식 및 Monounsaturated fatty acid 관련 지방산 조성 분석
이상민,조용희,신동우,전효남,류영진,임상민,이철균,Lee, SangMin,Cho, Yonghee,Shin, ong-Woo,Jeon, Hyonam,Ryu, YoungJin,Lim, Sang-Min,Lee, Choul-Gyun 한국해양바이오학회 2014 한국해양바이오학회지 Vol.6 No.2
Oxidation stability and cold fuid property are considered as the most important factors for determining biodiesel quality. Among the fatty acids, monounsaturated fatty acid satisfy both oxidation stability and cold flow property of biodiesel quality standards. Microalgae with high monounsaturated fatty acid contents is have some benefit for producing to produce biodiesels with satisfying quality standards. In this study, monounsaturated fatty acid contents of a isolated microalga from Youngheung island was analyzed. Phaeodactylum tricornutum was isolated by streaking, and growth rate and fatty acid composition of the algae were investigated. Total FAME contents were consisted of 26% of saturated fatty acids, 43% of monounsaturated fatty acids, and 18% of polyunsaturated fatty acids. The contents of monounsaturated fatty acid were especially high in the Phaeodactylum species. This result implies that the FAMEs from P. tricornutum may contribute to improve the oxidation stability and cold flow property of biodiesel.
이상민,이철균,조용희,전효남,김한별,정인재,임상민 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.0
Oxidation stability and cold fluid property are important factors in the quality of biodiesel. Monounsaturated fatty acids (MUFAs) are suitable fatty acid for biodiesel when considering the low temperature fluidity and oxidative stability in regards to the biodiesel fuel standards. In this study, MUFAs productivity of a Phaeodactylum tricornutum MBEyh07L (KCTC18366P), isolated from coastal seawater of Youngheung Island, Incheon, Korea, was investigated. The biomass was produced using bubble column photobioreactors in modified f/2-Si medium prepared with natural seawater. The highest MUFAs productivity obtained was 28.5 mg/L/d. MUFAs accounted for 35.8% of the total fatty acids produced whereas saturated fatty acids and polyunsaturated fatty acids accounted for 36.5% and 14.6% of the total fatty acids, respectively. The result implies that the lipids from P. tricornutum MBEyh07L may contribute to improving the oxidation stability and cold flow property of biodiesel.