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솔잎 추출물의 항산화 효과

Antioxidative Effects of Pine (Pinus denstifora) Needle Extracts.

  • 유지현 (동아대학교 생명공학과) ;
  • 차재영 (동아대학교 생명공학과) ;
  • 정영기 (동의대학교 생명응용과학과) ;
  • 정경태 (동의대학교 생명응용과학과) ;
  • 조영수 (동아대학교 생명공학과)
  • 발행 : 2004.10.01

초록

식물성 성분 중에서 생리활성 인자를 탐색할 목적으로 솔잎의 수용성 추출물에 의한 항산화 활성을 DPPH법, thiocyanate법, TBA법 및 microsome 생 체 막 지 질 과산화물 생성정도를 TBARS법으로 측정 하고, 총 폴리페놀 함량을 측정하였다. 솔잎 수용성 추출물의 총 폴리페놀 화합물 함량은 1.61%이었으며, DPPH 측정법에서는 짙은 자색의 탈색되는 정도로 나타내는 전자 공여능이 솔잎 수용성 추출물의 0.1% 농도에서 BHT와 비슷한 수준으로 항산화 활성이 높게 나타났다. 간 microsome을 이용한 생체막 지질 과산화 억제정도는 솔잎 수용성 추출물의 0.1% (67.7%)>0.05% (63.1%)>0.01%(28.2%) 순으로 농도에 비례하여 증가하였다. Linoleic acid 산화 실험계를 이용한 thiocyanate법에서는 0.01%, 0.05%, 0.1%의 농도에서 모두 반응 7일째까지 대조구에 비해 매우 강한 항산화 활성을 보였으며, TBA법에서는 반응 6일째까지 는 0.1%>0.05%>0.01%의 순으로 농도 증가에 따라 항산화 활성도 높게 나타났다. 이상의 결과에서 솔잎 수용성 추출물 중에는 in vitro 항산화 실험에서 항산화 활성을 나타내는 생리활성 성분이 존재하는 것으로 볼 수 있으므로 천연 항산화제로서의 가능성을 시사하였다.

Antioxidative activities of pine (Pinus denstifora) needle extracts were tested in vitro experimental models. The concentration of total polyphenolic compound of water extracts from pine needle was 1.61 %. In DPPH ($\alpha$, $\alpha'$-diphenyl-$\beta$-picrylhydrazyl) method, the electron donating activity of 0.1 % water extracts from pine needle was as high as BHT (0.05%, w/v). The antioxidative activity was measured by inhibition against lipid peroxidation of rat liver microsome, and this activity was shown in the following: 67.7% at 0.1% concentration >63.1% at 0.05% concentration > 28.2% at 0.01% concentration. In antioxidative activity determined by thiocyanate method against lipid peroxidation using linoleic acid, the antioxidative activities at all concentration of 0.01 %, 0.05% and 0.1 % were much higher than control during 7 days. In TBA method, the antioxidative activity was increased with increasing concentration until 6 days. These results support that water extracts from pine needle contain antioxidative compounds.

키워드

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