Biochemical composition of a Korean domestic microalga chlorella vulgaris KNUA027

Ji Won Hong, Oh Hong Kim, Seung Woo Jo, Hyeon Kim, Mi Rang Jeong, Kyung Mok Park, Kyoung In Lee, Ho Sung Yoon

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A unicellular green alga, Chlorella vulgaris KNUA027, was isolated from the roots of Panax ginseng seedlings and its biotechnological potential was investigated. The results of GC/MS analysis showed that C. vul-garis KNUA027 was rich in nutritionally important polyunsaturated fatty acids (PUFAs) such as alpha-linolenic acid (C18:3 ω3, 45.8%, 50.8 mg/g) and hexadecatrienoic acid (C16:3 ω3, 11.8%, 13.1 mg/g). Therefore, this Korean indigenous microalga may have potential as a source of omega-3 PUFAs. It was also found that the saturated palmitic acid (C16:0, 37.1%, 41.2 mg/g), which is suitable for biodiesel production, was one of the major fatty acids produced by strain KNUA027. The proximate analysis showed that the volatile matter content was 88.5%, and the ultimate analysis indicated that the higher heating value was 19.8 MJ/kg. Therefore, the results from this research with C. vulgaris KNUA027 may provide the basis for the production of microalgae-based biofuels and biomass feedstock.

Original languageEnglish
Pages (from-to)400-407
Number of pages8
JournalMicrobiology and Biotechnology Letters
Issue number3
StatePublished - Sep 2016


  • Biofuel feedstock
  • Chlorella vulgaris
  • Microalga
  • PUFA


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