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고추씨가 고지방.고콜레스테롤 식이 흰쥐의 항산화계 및 산화적 손상에 미치는 영향

Effect of Red Pepper Seeds Powder on Antioxidative System and Oxidative Damage in Rats Fed High-Fat.High-Cholesterol Diet

  • 발행 : 2009.09.30

초록

본 연구에서는 고추씨의 생체 내 항산화작용을 규명하기 위하여 고콜레스테롤 고지방 식이 흰쥐 간조직의 항산화 방어계와 지질과산화에 미치는 영향을 관찰하였다. 실험동물은 체중 150$\pm$10 g 내외의 Sprague-Dawley종 수컷 흰쥐를 사용하였으며, 정상식이 대조군(N), 고지방.고콜레스테롤 공급군(HF), 고지방 고콜레스테롤 공급군에 고추씨파우더 5% 공급군(SA), 10% 공급군(SB) 및 15% 공급군(SC)으로 총 5군으로 나누었다. 식이 및 식수는 자유섭취하게 하였으며 4주간 사육한 후 희생시켰다. 실험기간 동안 체중 증가량은 정상군에 비해 고지방 고콜레스테롤 공급군에서 유의적으로 증가하였으나 고추씨 공급군에서는 정상군 수준이었으며 식이효율도 유사한 경향이었다. 간 조직 중의 항산화 효소계인 SOD 활성은 HF군에 비해 고추씨 공급군에서 다소 증가한 경향이었다. GSHpx의 활성은 정상군에 비해 고지방 콜레스테롤 공급군 모두에서 감소되었으나 SC군에서는 정상군 수준이었다. 또한 catalase 함량은 고지방 고콜레스테롤 공급군에 비해 고추씨파우더를 공급한 군에서 증가되었으나 유의적인 차이는 없었다. 유리기를 소거하는 지표인 간조직의 superoxide radical 함량을 microsome에서 관찰한 결과는 정상군에 비해 HF군에서 유의적으로 증가되었으나 고추씨파우더를 공급한 모든 군에서 감소되었다. 간조직의 mitochondria에서는 고추씨파우더를 공급한 모든 군에서 유의적으로 감소하였으며 특히 SB, SC군에서는 정상군 수준으로 감소하였다. 간조직의 cytosol에서 $H_2O_2$를 관찰한 결과 고지방 고콜레스테롤군 대조군에 비해 고추씨파우더 공급군에서 감소되었으나 유의적인 차이는 없었다. 간조직의 mitochondria에서는 정상군에 비해 HF군에서 유의적으로 증가되었으나 SC군에서는 정상군 수준으로 감소되었다. 간조직의 산화적 손상의 지표가 되는 carbonyl가 함량을 microsome에서 측정한 결과는 정상군에 비해 HF군에서 유의적으로 증가되었으나 고추씨파우더를 다량 공급한 두 군에서는 정상군 수준으로 감소되었다. 또한 mitochondria에서 측정한 결과는 HF군에 비해 고추씨파우더를 공급한 군에서 감소하였으나 군 간의 유의적인 차이는 없었다. 간 조직 중의 과산화지질의 함량을 관찰한 결과는 고지방 고콜레스테롤군에 비해 고추씨파우더를 공급한 모든 군에서 정상군 수준으로 감소하였다. 그리고 혈장에서 측정한 결과도 고추씨파우더를 공급한 군에서 정상군 수준으로 감소하는 것을 알 수 있었다. 이러한 결과는 고추씨파우더의 항산화 성분이 효과적으로 활성산소종의 소거에 관여함으로써 산화적 손상을 완화시킨 결과로 보인다.

The purpose of the present study was to effect of red pepper seeds powder on antioxidative defense system and oxidative damage in rats fed high fat high cholesterol diet. Rats were divided into five experimental groups which are composed of normal diet group, high fat high cholesterol diet group, high fat high cholesterol diet with 5% red pepper seeds powder supplemented group (SA group), high fat high cholesterol diet with 10% red pepper seeds powder supplemented group (SB group), and high fat.high cholesterol diet with 15% red pepper seeds powder supplemented group (SC group). Supplementation of red seed pepper groups (SA, SB, and SC groups) resulted in increased activities of hepatic glutathione peroxidase and superoxide dismutase. However, there was no significant difference in the activity of hepatic catalase among all experimental groups. Hepatic superoxide radical contents in microsome and mitochondria were significantly reduced in red pepper seeds powder supplemented groups. Hepatic hydrogen peroxide contents in mitochondria were significantly reduced 15% red pepper seeds powder supplemented group. Hepatic carbonyl values in microsome were significantly reduced in 10% and 15% red pepper seeds powder supplemented groups. Thiobarbituric acid reaction substance (TBARS) values in liver and plasma were reduced in red pepper seeds powder supplemented groups. These result suggest that red pepper seeds powder may reduce oxidative damage by the activation of antioxidative defense system in rats high fat.high cholesterol diets.

키워드

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  3. Effect of Saekso 2 Corn Kernels and Cobs Extracts on Antioxidant Activity in Rats Fed High Fat-cholesterol Diet vol.31, pp.6, 2016, https://doi.org/10.13103/JFHS.2016.31.6.399
  4. Effects of Water Extracts of Red Pepper Seeds Powder on Antioxidative Enzyme Activities and Oxidative Damage in Rats Fed High-Fat and High-Cholesterol Diets vol.44, pp.4, 2011, https://doi.org/10.4163/kjn.2011.44.4.284
  5. Effects of Isoflavone Supplementation on Lipid Profiles and Antioxidant Enzyme Activities in Growing Rats Fed High Fat Diet vol.8, pp.4, 2009, https://doi.org/10.7762/cnr.2019.8.4.296
  6. Red Pepper ( Capsicum annuum L.) Seed Extract Improves Glycemic Control by Inhibiting Hepatic Gluconeogenesis via Phosphorylation of FOXO1 and AMPK in Obese Diabetic db / db Mice vol.12, pp.9, 2009, https://doi.org/10.3390/nu12092546
  7. In Vivo Evaluation of Dendropanax morbifera Leaf Extract for Anti-Obesity and Cholesterol-Lowering Activity in Mice vol.13, pp.5, 2009, https://doi.org/10.3390/nu13051424