Volume 11, Issue 2 (2020)                   JMBS 2020, 11(2): 193-199 | Back to browse issues page

‎ 20.1001.1.23222115.1399.11.2.10.1

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Mohammadi A, Abedini H. Experimental study of red and blue illumination on growth rate and lipid accumulation in continuous culture of microalgae and cyanobacteria. JMBS 2020; 11 (2) :193-199
URL: http://biot.modares.ac.ir/article-22-33142-en.html
Experimental study of red and blue illumination on growth rate and lipid accumulation in continuous culture of microalgae and cyanobacteria
Amirhosein Mohammadi1 , Hamed Abedini * 2
1- School of Chemical, Gas and Petroleum Engineering, Iran University of Science and Technology, Tehran, Iran
2- School of Chemical, Gas and Petroleum Engineering, Iran University of Science and Technology, Tehran, Iran , abedini@iust.ac.ir
Abstract:   (3343 Views)
In this study, the effect of red and blue illumination on continuous culture of two different species of microalgae and cynicocytosis was studied. Comparison of blue and red lights in the cyanobacteria, Synechocystis sp. PCC6803, showed that this specie grows very fast under red light illumination, but it has very slow growth rate under blue light exposure. In spite of huge difference in growth rate, the lipid content and the fatty acid composition of Synechocystis was approximately the same for red and blue light illumination. For microalgae, Chlorella Sorokiniana, the blue light resulted to slightly higher growth rate than the red light. The C18:3 unsaturated fatty acid content was significantly higher for red light illumination compare to blue light illumination. Overall, considering the lower energy requirement for illumination of red, this light is more efficient than blue light for cultivation of Chlorella Sorokiniana.
Keywords: Microalgae, red and blue light, growth rate, unsaturated fatty acids
Full-Text [PDF 942 kb]   (2500 Downloads)    
Article Type: Original Research | Subject: Industrial Biotechnology
Received: 2019/05/20 | Accepted: 2020/03/27 | Published: 2020/06/6
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