Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Antioxidative Effect of Fermented Rhynchosia nulubilis in Obese Rats

비만 흰쥐에서 발효 서목태의 항산화 효과

  • Bae, Gui-jeong (Department of Pharmaceutical Engineering and College of Medical Life Science, Silla University) ;
  • Ha, Bae-jin (Department of Pharmaceutical Engineering and College of Medical Life Science, Silla University)
  • 배귀정 (신라대학교 의생명과학대학 제약공학과) ;
  • 하배진 (신라대학교 의생명과학대학 제약공학과)
  • Received : 2015.11.02
  • Accepted : 2015.12.17
  • Published : 2015.12.30
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Abstract

This study was to examine the antioxidative activity of fermented Rhynchosia nulubilis (FRN) in obese rats. Oxidative stress due to reactive oxygen species (ROS) can cause oxidative damage to cells. Mitochondria are especially important in the oxidative stress as ROS have been found to be constantly generated as an endogen threat. Mitochondrial defense depends mainly on superoxide dismutase whereas microsomal defense depends on catalase, which is an enzyme abundant in microsomes. Seven weeks-aged female Sprague-Dawley rats were divided into four groups and fed high fat diets for 44 days. Also fermented Rhynchosia nulubilis was administered orally for 44 days at 7.5 ml/kg of body weight of rats. The antioxidative activities of fermented Rhynchosia nulubilis were measured by the superoxide dismutase, catalase, malondialdehyde levels in liver homogenate. The levels of malondialdehyde in FRN-treated groups were lower than those in obese groups. Superoxide dismutase and catalase levels were significantly increased. These results demonstrated that fermented Rhynchosia nulubilis had the inhibitive effects of oxidative stress in obese rats, suggesting that fermented Rhynchosia nulubilis would be used as an ingredient of the useful functional products.

본 연구에서는 유도비만 쥐에서 발효 서목태의 항산화 효과를 연구하기 위하여 체중 175 g의 SD계 암컷 흰쥐 24마리를 대상으로 정상 군, 고지방식이 군, 발효 서목태 엑기스 급여 군, 발효 서목태 음료 급여 군으로 분류하여 54일간 사육하였다. in vitro 항산화 활성에서는 발효 서목태 엑기스가 높은 활성 및 함량을 나타냈다. in vivo 항산화 활성에서는 발효 서목태 섭취 군이 고지방식이 대조 군에 비해 CAT, SOD 활성은 높은 활성을 보였으며, MDA량은 감소 현상을 보였다. 이와 같은 결과를 통해 발효 서목태가 항산화 효소의 증가로 활성산소의 제거능을 향상시킬 뿐만 아니라, 생체 내 대사과정에서 생성된 과산화물로부터 생체 조직을 보호하여 손상된 간조직의 기능을 회복시킨 것으로 사료된다.

Keywords

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