Effect of high-temperature stress on microalgae at the end of the logarithmic phase for the efficient production of lipid

Effect of high-temperature stress on microalgae at the end of the logarithmic phase for the efficient production of lipid

Efficient production of microalgae lipid is significant for the production of renewable biodiesel. In the present study, the high temperature of 40°C as stress environment was tested for stimulating lipid accumulation after the microalgae (Scenedesmus quadricauda) cells in suitable conditions grew t...

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Publié dans:Environmental technology. - 1998. - 37(2016), 20 vom: 15. Okt., Seite 2649-57
Auteur principal: Han, Fei (Auteur)
Autres auteurs: Pei, Haiyan, Hu, Wenrong, Han, Lin, Zhang, Shuo, Ma, Guixia
Format: Article en ligne
Langue:English
Publié: 2016
Accès à la collection:Environmental technology
Sujets:Journal Article High temperature biomass lipid accumulation logarithmic phase stress cultivation Fatty Acids
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520 |a Efficient production of microalgae lipid is significant for the production of renewable biodiesel. In the present study, the high temperature of 40°C as stress environment was tested for stimulating lipid accumulation after the microalgae (Scenedesmus quadricauda) cells in suitable conditions grew to the end of the logarithmic phase. Different stress cultivation times of 1, 2, 3, 4, 5 and 6 days were studied. Interestingly, the lipid content and productivity reached 33.5% and 23.2 mg/L d after one day stress cultivation, showing substantial improvements of 39.6% and 33.3% compared with that in the untreated (day 0) microalgae cells, respectively. Longer stress time led to the decrease of biomass and lipid content compared with the untreated microalgae. However, a maximum protein content of 58.7% was obtained after six days. The stress cultivation at the end of the microalgae exponential phase for one day at a high temperature of 40°C could be a very useful industrial approach for efficiently promoting lipid content and biodiesel production 
650 4 |a Journal Article 
650 4 |a High temperature 
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650 4 |a lipid accumulation 
650 4 |a logarithmic phase 
650 4 |a stress cultivation 
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700 1 |a Pei, Haiyan  |e verfasserin  |4 aut 
700 1 |a Hu, Wenrong  |e verfasserin  |4 aut 
700 1 |a Han, Lin  |e verfasserin  |4 aut 
700 1 |a Zhang, Shuo  |e verfasserin  |4 aut 
700 1 |a Ma, Guixia  |e verfasserin  |4 aut 
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