한국식품과학회지 (Korean Journal of Food Science and Technology)

한국식품과학회 (Korean Society of Food Science and Technology)
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제주자생 진귤(Citrus sunki Hort. Tanaka) 과피의 생리활성

Physiological Activities of Peel of Jeju-indigenous Citrus sunki Hort. Tanaka

  • Kang, Shin-Hae (Technology Innovation Center for Life Science, Cheju National University) ;
  • Lee, Young-Jae (Department of Verterinary Medicine, Cheju National University) ;
  • Lee, Chang-Hong (Center for Effective Microorganisms) ;
  • Kim, Se-Jae (Technology Innovation Center for Life Science, Cheju National University) ;
  • Lee, Dae-Ho (Department of Medicine, Cheju National University) ;
  • Lee, Young-Ki (Department of Medicine, Cheju National University) ;
  • Park, Deok-Bae (Department of Medicine, Cheju National University)
  • 발행 : 2005.12.31
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초록

제주자생 재래감귤종이 하나인 진귤(Citrus sunki Hort. ex Tanaka)의 과피는 전통적으로 매우 중요한 한약재 성분으로 사용되어 왔으나 그 약리학적 효과에 대해서는 과학적인 분석이 되어 있지 못하다. 본 연구에서는 진귤과피추출물과 과피발효 추출물의 1차 항산화활성을 검색하여 발효 후 추출물이 더욱 효과적인 활성을 가지고 있는 사실을 발견하였고 이를 바탕으로 대식세포인 Raw264.7세포에서 산화질소의 생성, 염증유발 단백질(NOS2, Cox-2)의 수준을 억제할 뿐 아니라 동 세포의 생존능을 개선시키는 결과를 얻었다. 그러나 상피세포유래 세포주인 CHO-IR 세포 및 사람의 간암세포주인 HepG2 세포의 생존능은 반대로 발효후 추출물에 의해 억제되는 것으로 나타났다. 이러한 결과들은 진피의 발효후 추출물이 대식세포의 항염증활성을 증가시키는 반면, 종양세포의 증식을 억제하고 세포사멸을 유도하는 다양한 약리효과를 가지고 있음을 의미한다.

Effects of Citrus sunki peel and its fermented product extracts on physiological and functional activities of cellular systems were investigated. Ethanol extract of Citrus sunki peel showed potent ROS-scavenging activity using 2',7'-Dichlorofluorescin diacetate as a fluorescent ROS probe in HepG2 cells. Fermented product of C. sunki peel extract markedly suppressed nitric oxide production in lipopolysaccharide (LPS)-activated RAW264.7 murine macrophage cells. Treatment with fermented product of C. sunki peel extract decreased intracellular protein levels of inducible nitric oxide synthase and cyclooxygenase II stimulated by LPS. High doses of fermented product lend to apoptotic cell death in CHO-IR cells.

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