한국식품저장유통학회지 (Food Science and Preservation)

  • 제18권6호
  • /
  • Pages.967-972
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  • 2011
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  • 3022-5477(pISSN)
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  • 3022-5485(eISSN)
한국식품저장유통학회 (The Korean Society of Food Preservation)
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Assai 열매 메탄올 추출물의 항산화 효과

Antioxidant Effect of Assai Palm Methanolic Extract

  • 최철웅 (전라남도천연자원연구원) ;
  • ;
  • 조성환 (경상대학교 식품공학과, 농업생명과학연구원)
  • 투고 : 2011.06.20
  • 심사 : 2011.11.11
  • 발행 : 2011.12.30
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초록

Assai 열매추출물의 자유 라디칼 소거능을 측정하기 위하여 DPPH를 이용한 자유 라디칼 소거능 실험을 수행하여 항산화 효과를 측정한 결과, assai열매추출물의 농도가 높을수록 DPPH활성이 뛰어남을 알 수 있었고, ROS를 이용하여 항산화 효과를 확인하였다. 배양된 대식세포에 assai열매추출물을 농도별로 첨가한 결과, 농도가 높을수록 과산화수소에 의해 유도된 산화적 자극이 감소하였다. 또한 세포 생존에 미치는 영향을 알고자 assai열매추출물을 농도별로 첨가하여 24시간후 세포의 형태변화를 MTT assay로 실시한 결과, 산화적 자극에 의해 발생한 세포 손상이 assai 열매추출물의 농도가 높아질수록 감소하는 것이 확인되었다. 따라서 assai열매추출물은 천연 항산화제로서의 가능성을 보였다.

The methanolic product of assai(Euterpe oleracea Mart) scavenged the intracellular reactive oxygen species (ROS) and 1,1-diphenyl-2- picrylhydrazyl (DPPH) radical, and prevented lipid peroxidation. The radical-scavenging activity of assai palm methanolic extract protected the viability of peritoneal macrophage cells exposed to hydrogen peroxide($H_2O_2$). Furthermore, the extract reduced the apoptotic-cell formation induced by $H_2O_2$, as demonstrated by the decrease in the number of hypodiploid cells and in the apoptotic-cell body formation. These results indicate that assai palm methanolic extract has radical-scavenging activity and ameliorates $H_2O_2$-induced cytotoxicity.

키워드

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