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http://dx.doi.org/10.5762/KAIS.2020.21.11.70

Growth Characteristics of Microalgae Scenedesmus obliquus by LED Light Source  

Yoo, Yong Jin (Department of Physics and Nano-science, Sun Moon University)
Kim, Song Yi (Department of Food Science, Sun Moon University)
Lee, Geon Woo (Department of Physics and Nano-science, Sun Moon University)
Lee, Young Bok (Department of Physics and Nano-science, Sun Moon University)
Kim, Jin Woo (Department of Food Science, Sun Moon University)
Kim, Ho Seob (Department of Physics and Nano-science, Sun Moon University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.21, no.11, 2020 , pp. 70-77 More about this Journal
Abstract
Microalgae are independent organisms that perform photosynthesis and can alter the culture environment to increase accumulation of useful substances derived from microalgae. In this study, cell growth was measured by incubation for 39 days using MBBM, Neo medium, and seven light sources, which is the main factor affecting cell growth of microalgae S. obliquus. In the case of S. oliquus, which grew in MBBM and Neo medium, cell growth was highest under fluorescent light sources and Red2 LED (R660) light sources, and cell growth was lowest under Infra Red LED (R741) light sources. The average cell growth rate was 17.7% for MBBM and 15.4% for Neo. Comparing the effects of dry cell weight of Neo medium containing nutrients on the production of aquatic plants, MBBM and dry cell weight of Neo resulted in higher cell growth than Neo medium under all LED light sources except for Blue LED (B450). This proves that MBBM is more suitable for increasing the cell growth of microalgae than Neo medium and confirms that light source selection is important in the production of useful materials through mass cultivation of microalgae in the future.
Keywords
Microalgae; Scenedesmus obliquus; LED light; Incubation time; Dry cell weight;
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