Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
권호 표지

Investigation of Anti-aging Effect and Determination of Chemical Structures of Pine Needle Extract (PNE) through the Animal Experiments I. Effects of PNE on Membrane Fluidity and Oxidative Stress in Liver of SD Rats

동물실험을 통한 솔잎(松葉) 유효성분의 항노화효과 구명 및 구조 해명 I. 간장의 세포막 유동성과 산화적 스트레스에 미치는 솔잎 추출물의 영향

  • 최진호 (부경대학교 식품생명공학부 생화학교실) ;
  • 김대익 (부경대학교 식품생명공학부 생화학교실) ;
  • 박수현 (부경대학교 식품생명공학부 생화학교실) ;
  • 김동우 (부경대학교 식품생명공학부 생화학교실) ;
  • 이종수 (부경대학교 식품생명공학부 생화학교실) ;
  • 김현숙 (숙명여자대학교 식품영양학과)
  • Published : 1999.08.01
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Abstract

This study was designed to investigate the effects of pine (Pinus densiflora Sieb et Zucc) needle extract (PNE) on membrane fluidity and oxidative stress in liver membranes of Sprague-Dawley (SD) rats as a study on investigation of anti-aging effect and determination of chemical structures of PNE through the animal experiments. Male SD rats were fed basic diets (control group) and experimental diets (0.5% and 1.0%-PNE group) for 6 weeks. Administrations of 0.5% and 1.0%-PNE resulted in a marked decreases (15∼25% and 23∼26%, respectively) in cholesterol accumulations of liver mitochondria and microsomes compared with control group. Membrane fluidities were significantly increased (15∼25%) in liver microsomes of 0.5% and 1.0%-PNE groups compared with control group. Formations of basal and induced oxygen radicals (BOR and IOR) in liver mitochondria were significantly inhibited (11∼12% and 10∼15%, respectively) by administrations of 0.5% and 1.0%-PNE compared with control group. Lipid peroxide (LPO) levels were remarkbly decreased about 20% in liver mitochondria and microsomes of 0.5% and 1.0%-PNE groups compared with control group. Oxidized protein levels calculated with carbonyl group were significantly decreased about 15% in liver mitochondria of 1.0%-PNE group compared with control group. These results suggest that PNE may play a effective role in a attenuating a oxidative stress and increasing a membrane fluidity.

Keywords

References

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