생명과학회지 (Journal of Life Science)

  • 제18권9호
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  • Pages.1212-1218
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  • 2008
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
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Conjugated linoleic acid와 γ-oryzanol 혼합물의 생쥐 체지방 및 복부지방 감소 효과

Reduction of Visceral and Body Fats in Mice by Supplementation of Conjugated Linoleic Acid with γ-Oryzanol

  • 변재일 (경상대학교 생물소재공학과) ;
  • 오태우 (경상대학교 응용생명과학부, 농업과학연구원) ;
  • 김영숙 (경상대학교 응용생명과학부, 농업과학연구원) ;
  • 문연규 (경상대학교 응용생명과학부, 농업과학연구원) ;
  • 박철우 ((주)HK바이오텍) ;
  • 김정옥 ((주)HK바이오텍) ;
  • 하영래 (경상대학교 생물소재공학과 응용생명과학부(BK21), 농업과학연구원)
  • Byeon, Jae-Il (Department of Biomaterial Technology) ;
  • Ohr, Tae-Woo (Division of Applied Life Science (BK21), and Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Kim, Young-Suk (Division of Applied Life Science (BK21), and Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Moon, Yeon-Gyu (Division of Applied Life Science (BK21), and Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Park, Cherl-Woo (HK Biotech Co., Ltd.) ;
  • Kim, Jeong-Ok (HK Biotech Co., Ltd.) ;
  • Ha, Yeong-Lae (Department of Biomaterial Technology, Division of Applied Life Science (BK21), and Institute of Agriculture and Life Science)
  • 발행 : 2008.09.30
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초록

Conjugated linoleic acid (CLA)와 $\gamma$-oryzanol (OZ) 혼합물의 mouse 체지방 및 복부지방 감소에 관한 연구를 하였다. Female ICR mice (10주 령)을 몸무게 차이가 없도록 Control (70 ${\mu}l$ olive oil + 30 ${\mu}l$ CLA), CLA-OZ 1 (70 ${\mu}l$ olive oil + 30 ${\mu}l$ CLA + 0.5 mg OZ), CLA-OZ 2 (70 ${\mu}l$ olive oil + 30 ${\mu}l$ CLA + 1.0 mg OZ), OZ (100 ${\mu}l$ olive oil + 1.0 mg OZ) 및 Olive oil (100 ${\mu}l$ olive oil)로 구분하였다. 처리시료는 매일 4주간 경구투여 하였고 식이와 물은 자유롭게 먹게 하였다. 시료처리 4주 후에 mice의 몸무게를 달고 탈골법으로 sacrifice하여 전체몸무게, 복부지방 무게, 장기와 복부지방을 제거한 나머지 부분 무게 (empty carcass weight: ECW)를 측정하였다. CLA (control) 처리는 olive oil 처리에 비해 유의성 있게 몸무게, ECW, 복부지방 및 체지방을 감소시켜 CLA가 복부지방 및 체지방을 감소시킴을 알 수 있었다. CLA-OZ 1 처리는 OZ 처리에 비해서는 복부지방 및 체지방을 유의성 (p<0.05) 있게 감소시켰으나 CLA (control) 처리에 비해서는 유의성이 없었다. 또한 CLA-OZ 2 처리는 control 처리 및 OZ 처리에 비해 복부지방 및 체지방을 유의성 (p<0.05) 있게 감소시켰다. 이 결과는 CLA와 OZ를 혼합하여 처리한 mice에서 이들을 각각 단독으로 처리한 mice에서보다 복부지방 및 체지방이 많이 감소되어 OZ가 CLA의 지방감소 작용에 상승효과가 있음을 의미한다.

The synergistic effect of conjugated linoleic acid (CLA) and $\gamma$-oryzanol (OZ) on the reduction of visceral and body fats was investigated in mice. Female ICR mice, 10 weeks of age, were acclimated for one week and then randomly divided into 5 treatment groups by body weights: Control (70 ${\mu}l$ olive oil + 30 ${\mu}l$ CLA), CLA-OZ 1 (70 ${\mu}l$ olive oil + 30 ${\mu}l$ CLA + OZ 0.5 mg), CLA-OZ 2 (70 ${\mu}l$ olive oil + 30 ${\mu}l$ CLA + OZ 1.0 mg), OZ (100 ${\mu}l$ olive oil + OZ 1.0 mg), and Olive oil (100 ${\mu}l$ olive oil). Samples were daily intubated, p.o., for 4 weeks. Food and water were ad libitum. Four weeks later, mice were sacrificed by neck dislocation, followed by measuring whole body weight, empty carcass weight (ECW), which is weight without organs and visceral fats, visceral fats, body fats and protein content. Mice treated with CLA (control) sample maintained significantly, p<0.05, lower whole body weight, ECW, visceral and body fats, relative to mice treated with olive oil sample, indicating that CLA reduces the visceral and body fats. The CLA-OZ 1 treatment significantly reduced, p<0.05, visceral and body fats as compared to OZ treatment, but not significantly different from control treatment.Meanwhile, CLA-OZ 2-treated mice maintained significantly, p<0.05, lower visceral and body fats than control and OZ-treated mice. Protein contents in mice were not affected by any other treatments. These results suggest that OZ enhanced the reduction of visceral and body fats in mice by CLA.

키워드

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