한국균학회지 (The Korean Journal of Mycology)

  • 제29권1호
  • /
  • Pages.41-46
  • /
  • 2001
  • /
  • 0253-651X(pISSN)
  • /
  • 2383-5249(eISSN)
한국균학회 (The Korean Society of Mycology)
권호 표지

유용버섯 Lentinus tuber-regium이 산화적 스트레스 및 방어체계에 미치는 영향

Effects of Edible Lentinus tuber-regium on Oxidative Stress and Defense System in Serum of SD Rats

  • 최진호 (부경대학교 식품생명공학부 생화학연구실) ;
  • 박수현 (부경대학교 식품생명공학부 생화학연구실) ;
  • 김대익 (부경대학교 식품생명공학부 생화학연구실) ;
  • 김정민 (부경대학교 식품생명공학부 생화학연구실) ;
  • 김창목 (한국산업정보기술연구원 생화학실) ;
  • 김광포 (농촌진흥청 농업과학기술원 응용미생물과)
  • Choi, Jin-Ho (Lab. of Biochemistry, Faculty, of Food Science & Biotechnology, Pukyong National University) ;
  • Park, Soo-Hyun (Lab. of Biochemistry, Faculty, of Food Science & Biotechnology, Pukyong National University) ;
  • Kim, Dae-Ik (Lab. of Biochemistry, Faculty, of Food Science & Biotechnology, Pukyong National University) ;
  • Kim, Jeung-Min (Lab. of Biochemistry, Faculty, of Food Science & Biotechnology, Pukyong National University) ;
  • Kim, Chang-Mok (Department of Biochemistry, Korean Institute of Industry and Technology Information) ;
  • Kim, Gwang-Po (Department of Applied Microbiology, National Institute of Agricultural Science & Technology, RDA)
  • 발행 : 2001.04.30
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초록

SD계 랫트를 사용하여 6주 동안 탄수화물 대용으로 50% 및 100%의 Lentinus tuber-regium(LTR)-첨가 투여그룹의 산화적 스트레스 및 방어체계에 미치는 영향을 평가하였다. LTR-50 및 LTR-100 투여그룹은 대조그룹 대비 21.7% 및 16.4%의 매우 유의적인 ${\cdot}OH$ 라디칼의 생성 억제효과가 인정되었고, 이들 두 투여그룹은 대조그룹 대비 약 10%의 $H_2O_2$의 생성 억제효과 및 $6{\sim}10%$ 정도의 바람직한 NO의 생성 억제효과가 인정되었다. 그렇지만 이들 LTR 투여에 의하여 ${O_2}^-$ 라디칼의 생성 억제효과는 인정할 수 없었다. 이들 활성산소의 공격에 의한 산화적 스트레스로서 LPO의 생성은 LTR 투여에 의하여 대조그룹 대비 $6{\sim}12%$의 유의적인 LPO의 생성 억제효과가 인정되었고, OP의 생성은 이들 LTR의 부여에 의하여 대조그룹 대비 5.0% 및 12.8%의 생성 억제효과가 인정되었다. 이들 LTR-50, LTR-100 투여그룹은 대조그룹에 비해 $15{\sim}50%$의 매우 유의적인 SOD의 활성 증가효과가 인정되었고, 또한 이들 LTR투여그룹의 GSHPx은 대조그룹 대비 $10{\sim}25%$의 매우 유의적인 GSHPx의 활성 증가효과가 인정되었다. 한편 CAT의 활성에 미치는 LTR투여의 영향도 대조그룹 대비 $60{\sim}90%$의 매우 유의적인 CAT의 활성 증가효과가 인정되었다. 이상의 결과에서 탄수화물 대용으로 사용된 유용버섯 LTR의 투여는 ${\cdot}OH$ 라디칼, $H_2O_2$ 및 NO의 생성 및 그로 인한 LPO 및 OP 같은 산화적 스트레스를 효과적으로 억제할 수 있을 뿐만 아니라 SOD, GSHPx 및 CAT 같은 방어효소의 활성을 매우 효과적으로 증가할 수 있기 때문에 노화를 매우 효과적으로 억제할 수 있을 것으로 기대된다.

Oxidative stress and defense system of SD-rats were studied with an edible Nigerian mushroom, namely, Lentinus tuber-regium (Fries) Singer. Experimental diets prepared with Lentinus tuber-regium (LTR) instead of carbohydrates were fed to SD rats for 6 weeks. Hydrolxyl radical $({\cdot}OH)$ formations were significantly inhibited (21.7% and 16.4%, respectively). In LTR-50 and LTR-100 groups used instead of carbohydrates, and hydrogen peroxide and nitric oxide (NO) were also significantly inhibited by 10%, and $6{\sim}10%$, respectively compared with control group, but there was no significant changes in superoxide radical $({O_2}^-)$ formations in these groups. Lipid peroxide (LPO) and oxidized protein (OP) levels as an oxidative stress were desirably inhibited ($6{\sim}12%\;and\;5{\sim}13%$, respectively) in these LTR groups compared with control group. Superoxide dismutase (SOD), glutathione peroxidase (GSHPx) and catalase (CAT) activities were significantly increased ($15{\sim}50%,\;10{\sim}25%\;and\;60{\sim}90%$, respectively) in these LTR groups. These results suggest that an edible mushroom, Lentinus tuber-regium may inhibit an oxygen radicals and oxidative stresses, but may also effectively modulate an aging processes.

키워드

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