Effect of Pyroligneous Liquor on Oxygen Radicals and Their Scavenger Enzymes in Liver of CD Rats

흰쥐 간조직의 활성산소 및 제거효소에 미치는 목초액의 영향

  • Choi, Jin-Ho (Laboratory of Biochemistry, Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • Cho, Weon-Ki (Clinical Dualism Research Institute, Choa Pharmacy Co. Ltd)
  • 최진호 (부경대학교 생화학교실) ;
  • 조원기 (조아제약 양병학종합연구소)
  • Published : 2007.03.31

Abstract

This study was designed to investigate the effects of pyroligneous liquor on oxygen radicals and their scavenger enzymes in the liver of Cri/Bgi CD rats (7 rats per group). Male rats were fed a basic diet prepared in our Lab., PL-0 (Control), PL-1, PL-25, PL-50 and PL-75 groups were Prepared to be 0%, 1%, 25%, 50% and 75%with distilled water using pyroligneous liquor (35% of Choa Co. Ltd.), and were administrated orally for 8 weeks. Superoxide radical contents in liver mitochondria and microsomes were significantly decreased to 12-14%, 11-15%, respectively, in these PL-25 and PL-50groups compared with the control group. Hydroxyl radical content in mitochondria and microsomes were markedly decreased to 12-20% and 17%, respectively, in these PL-25 and PL-50% groups compared with the control group. Hydrogen peroxide content in mitochondria and microsomes were significantly decreased about 15-12% and 22-20% in liver of PL-25 and PL-50 groups compared with the control group. Mn-SOD and Cu/Zn-SOD activities in liver of PL-25 and PL-50 groups were remarkably increased to 15-25%, 11-16%, respectively, compared with the control group. GPx activities in mitochondria and microsomes were significantly increased in the liver of PL-25 and PL-50 groups compared with the control group. CAT activities in mitochondria and cytosol were significantly increased to 12-14%, 15-27%, respectively, in the liver of PL-25 and PL-50 groups compared with the control group. These results suggest that long term administration orally of 25 and 50% pyroligneous liquor may effectively inhibit the formation of oxygen free radicals, and also scavenger enzyme activities significantly increase through the administration orally.

시판 목초액 A (원액 35%)을 사용하여 음용수에 0%, 1.0%, 25.0%, 50.0%, 75.0%가 되도록 조제한 다음, CD계 수컷 흰쥐 (150 ${\pm}$ 10 g)에 2개월 동안 조제사료와 함께 자유 음용케 하여 간조직 중의 활성산소로서 수퍼옥시드 라디칼(O$_{2}\;^-$), 히디록시 라디칼, 과산화수소 및 제거효소로서 수퍼옥시드 디스무타아제 (SOD), 글루타치온 퍼옥시다아제 (GPx) 및 카탈라아제 (CAT)에 미치는 영향을 평가하였다. 목초액 PL-25 및 PL-50 투여군의 간조직의 미토콘드리아 획분에서는 O$_{2}\;^-$의 생성량은 대조군 대비 12${\sim}$14%의 O$_{2}\;^-$의 생성량 억제효과가 나타났고, 간조직의 마이크로솜획분에서는 대조군 대비 각각 11.0${\sim}$15.0의 O$_{2}\;^-$의 생성량 억제효과가 나타났다. 간조직 미토콘드리아획분에서 ${\cdot}$OH 생성량이 목초액 PL-25 및 PL-50 투여군에서 대조군 대비 12${\sim}$20%의 ${\cdot}$OH 생성 억제효과가 나타났고, 간조직의 마이크로솜획분에서는 대조군 대비 17${\sim}$20%의 ${\cdot}$OH 생성 억제효과가 나타났다. 목초액 PL-25 및 PL-50 투여군의 간조직의 미토콘드리아획분에서는 대조군 대비 12${\sim}$15%의 유의적인 H$_{2}$O$_{2}$의 생성 억제효과가 나타났고, 간조직의 마이크로솜획분에서는 대조군 대비 20${\sim}$22%의 상당히 유의적인 H$_{2}$O$_{2}$의 생성 억제효과가 나타났다. 목초액 PL-25 및 PL-50 투여군의 간조직의 Mn-SOD 활성은 대조군 대비 15${\sim}$25%나 유의적인 활성 증가효과가 인정되었고, 간조직의 Cu/Zn-SOD 활성은 대조군 대비 11${\sim}$16%의 유의적인 SOD활성 증가효과가 인정되었다. 목초액 PL-25 및 PL-50 투여군의 간조직의 미토콘드리아획분의 GPx 활성은 대조군 대비 10${\sim}$17%의 GPx 활성 증가효과가 인정되었고, 간조직의 마이크로솜획분의 GPx 활성 증가효과가 인정되었다. 목초액 PL-25 및 PL-50 투여군의 간조직의 미트콘드리아획분의 CAT 활성은 대조군 대비 12${\sim}$14%의 유의적인 CAT 활성 증가효과가 나타났고, 간조직의 시토졸 1획분에서는 대조군 대비 15${\sim}$27%의 CAT 활성 증가효과가 인정되었다. 이상의 결과에서 목초액의 장기간 투여는 간조직 중의 활성산소의 억제효과뿐만 아니라 방어시스템으로서 활성산소 제거효소의 역할도 충실히 수행하여 노화를 효과적으로 예방하고 억제할 수 있을 것으로 기대된다.

Keywords

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