Fisheries and Aquatic Sciences

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Sleep-Promoting Effect of Ecklonia cava: Ethanol Extract Promotes Non-rapid Eye Movement Sleep in C57BL/6N Mice

  • Yoon, Minseok (Korea Food Research Institute) ;
  • Kim, Jin Soo (Department of Seafood Science and Technology, Institute of Marine Industry, Gyeongsang National University) ;
  • Jo, Jinho (Korea Food Research Institute) ;
  • Han, Daeseok (Korea Food Research Institute) ;
  • Cho, Suengmok (Korea Food Research Institute)
  • Received : 2013.07.06
  • Accepted : 2013.08.26
  • Published : 2014.03.31
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Abstract

We investigated the effects of Ecklonia cava ethanol extract (ECE) on sleep architecture and sleep profiles. ECE was orally administered at a dose of 100, 250, or 500 mg/kg to C57BL/6N mice and its effects were measured by recording electroencephalogram (EEG) and electromyogram. Administration of ECE (250 and 500 mg/kg) significantly induced non-rapid eye movement sleep (NREMS) without affecting rapid eye movement sleep. The increase in NREMS by ECE (500 mg/kg) was significant (P < 0.05) during the first 2 h after administration. In addition, ECE had no effect on EEG power density (an indicator of sleep quality) in NREMS. These results suggest that ECE induces NREMS in a manner similar to physiological sleep.

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References

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