국내산 및 수입산 참돔의 중금속 함량 및 항산화 활성과 세포독성 효과 비교

국문 초록 (Abstract)

본 연구에서는 국내에서 주로 소비되는 국내산 및 수입산 참돔의 일반성분과 중금속 함량을 비교 분석하였고 생리활성을 비교하기 위하여 참돔을 용매의 극성에 따라 추출하여 항산화 및 세포독성 효과에 대해 연구하였다. 수입산과 비교했을 때 국내산 참돔은 높은 함량의 수분과 낮은 함량의 조지방, 조단백질 및 회분을 나타내었다. 국내산 및 수입산 참돔의 중금속 함량을 비교한 결과 원산지에 따른 유의적 차이를 보였으며 국내산 참돔의 수은 함량은 0.08 mg/kg으로 수입산 참돔보다 높은 함량을 나타내었으나 납의 경우 원산지에 따른 유의적 차이는 보이지 않았다. 국내산 및 수입산 참돔의 A+M 및 MeOH 추출물을 인체 섬유육종세포(HT-1080)에 처리하였을 때, 세포 내 활성산소종 생성 저해효과를 살펴 본 실험 결과, 국내산 및 수입산 참돔 추출물들에 의한 활성산소종 생성 억제효과를 비교해 보면 수입산 참돔 추출물에 의한 저해효과가 높았으며 두 추출물들 중 MeOH 추출물에 의한 저해효과가 높았음을 알 수 있었다. 인체 암세포들(AGS 및 HT-29)들에 대한 세포독성 활성 결과에서 AGS 암세포의 경우 국내산 참돔 A+M 및 MeOH 추출물들에 의한 세포독성 효과가 수입산 참돔A+M 추출물들보다 높았다. HT-29 암세포에 대해서는 국내산 참돔A+M 추출물에 의한 세포독성 효과가 수입산 참돔 A+M 추출물에 의한 것보다 높았고 MeOH 추출물에 의한 세포독성 효과는 유사했다. 따라서 본 연구 결과를 기초자료로 하여 향후 참돔의 다양한 생리활성 규명이 필요하다고 사료된다.

다국어 초록 (Multilingual Abstract)

This study compared the heavy metal contents and the effects of extracts from domestic and imported red sea bream on the antioxidant activity and cytotoxicity of human cancer cell lines. The antioxidant activity was measured using the fluorescently sensitive dye, 2"-7" dichlorofluorescein-diacetate (DCFH-DA), and antiproliferative activity against AGS human gastric adenocarcinoma and HT-29 human colon cancer cell lines, which was determined by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Domestic red sea bream had a higher mercury content when compared to imported red sea bream, but there was no significant difference in the lead content. Treatments with acetone/methylene chloride (A+M) and methanol (MeOH) extracts from domestic and imported red sea bream dose-dependently decreased the H2O2 induced ROS production, compared to the control. The cell viability showed that treatments with the A+M and MeOH extracts had cytotoxicity in the growth of AGS and T-29 cancer cells. In the case of AGS, the extracts from the domestic red sea bream were higher in inhibiting cancer cell growth, compared to imported red sea bream. Our results demonstrate that the heavy metal contents of domestic and imported red sea bream were below the limit of the Food Code of Korea. The results of the biological activities indicate that the antioxidant activity of extracts from imported red sea bream was more effective, while the extracts from the domestic red sea bream were stronger in cytotoxic activity.

목차 (Table of Contents)

• 서론
• 재료 및 방법
• 결과 및 고찰
• References
• 초록

참고문헌 (Reference)

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