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ALGAE > Volume 27(3); 2012 > Article
ALGAE 2012;27(3): 197-203. doi: https://doi.org/10.4490/algae.2012.27.3.197
Isolation and description of a Korean microalga, Asterarcys quadricellulare KNUA020, and analysis of its biotechnological potential
Ji Won Hong1, Sun Ae Kim1, Jiwon Chang1, Jung Yi1, Jieun Jeong2, Sunghwan Kim2, Sung Hong Kim3 and Ho-Sung Yoon1,*

1Department of Biology, Kyungpook National University, Daegu 702-701, Korea
2Department of Chemistry, Kyungpook National University, Daegu 702-701, Korea
3Analysis Research Division, Daegu Center, Korea Basic Science Institute, Daegu 702-701, Korea
*Corresponding Author  Email: hyoon@knu.ac.kr
ABSTRACT
A eukaryotic microalga, Asterarcys quadricellulare KNUA020, was isolated from garden soil at Kyungpook National University in Daegu, South Korea and its biotechnological potential was assessed. Optimal growth was obtained when the culture was incubated at 25°C and around pH 7.0. The total lipid content of the isolate was 15.5% of dry weight and its most abundant fatty acid was nutritionally important C18:3 ω3 (α-linolenic acid, ALA). In addition, a high-value fatty alcohol, hexadecenol (C20H40O), was also identified in this photosynthetic microorganism. Hence, A. quadricellulare KNUA020 appears to be promising for use in the production of microalgae-based biochemicals.
Key words: algae-based biochemicals; fatty acids; fatty alcohol; Korean domestic microalga


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