Journal of the Korean Society of Fisheries and Ocean Technology (수산해양기술연구)

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Adaptation of light emitting diode (LED) at culture on attachment plate of diatom

부착조류 파판배양 시 Light Emitting Diodes (LEDs)의 적용

  • Bae, Jae-Hyun (Aquaculture Industry Division, East Sea Fisheries Research Institute, NFRDI) ;
  • An, Heui-Chun (Aquaculture Industry Division, East Sea Fisheries Research Institute, NFRDI) ;
  • Kim, Mi-Gyeong (Aquaculture Industry Division, East Sea Fisheries Research Institute, NFRDI) ;
  • Park, Jin-Chul (Department of Marine Bioscience Gangneung-Wonju National University) ;
  • Park, Heum-Gi (Department of Marine Bioscience Gangneung-Wonju National University) ;
  • Kwon, O-Nam (East Costal Life Science Institute Gangneung-Wonju National University)
  • 배재현 (국립수산과학원 동해수산연구소 해역산업과) ;
  • 안희춘 (국립수산과학원 동해수산연구소 해역산업과) ;
  • 김미경 (국립수산과학원 동해수산연구소 해역산업과) ;
  • 박진철 (강릉원주대학교 해양자원육성학과) ;
  • 박흠기 (강릉원주대학교 해양자원육성학과) ;
  • 권오남 (강릉원주대학교 동해안생명과학연구소)
  • Received : 2014.11.01
  • Accepted : 2014.11.26
  • Published : 2014.11.30
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Abstract

We investigated biomass, diatom species and fucoxanthin contents as cell growth, fatty acid and amino acid contents as nutritional composition of diatoms attached on plate to confirm effects of light emitting diodes (LEDs) due to block off natural light. In the single LED irradiation, biomass showed significantly higher to $30.0{\pm}6.48mg/m^2$ in white LED than that of others (P<0.05). The dominate diatom species was Navicula cancellata. Their lipid contents showed significantly higher to $112.9{\pm}19.23ug/mg$ dry matter (DM) in control than that of others LEDs. But eicosapetaenoic acid (EPA) contents showed significantly higher to $3.3{\pm}0.62ug/mg$ DM than others, but not significantly differed with natural control light treatment (P<0.05). And total protein contents are higher in control and blue LED light than that of others, but essential amino acid contents showed significantly higher to $3.2{\pm}4.8%$ in control (P<0.05). In mixing light with natural and LED light, biomass showed $2.6{\pm}0.22mg/m^2$ in blue LED (P<0.05). Fatty acids contents were not significantly differed with all treatments. Amino acid contents showed to $11.0{\pm}0.33ug/mg$ DM in white LED (P<0.05), but not significantly differed with others LED lights (P>0.05). Therefore, we could suggest that irradiation of blue LED in natural light very benefit to diatom culture for larvae of sea cucumber and abalone and do on.

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References

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