Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effect of Methanol Extracts of Red Colored Rices on Antioxidant Activity and Growth Inhibitory Activities of Cancer Cells

적미 추출물과 분획물의 항산화 활성 및 암세포 성장억제효과

  • Park, Sung-Hee (Food Function Research Group, Korea Food Research Institute) ;
  • Cho, Il-Jin (Food Function Research Group, Korea Food Research Institute) ;
  • Kim, Yong-Sik (School of Nutrition and Hotel Culinary Art, Anyang Technical College) ;
  • Ha, Tae-Youl (Food Function Research Group, Korea Food Research Institute)
  • 박성희 (한국식품연구원 식품기능연구단) ;
  • 조일진 (한국식품연구원 식품기능연구단) ;
  • 김용식 (안양과학대 호텔조리영양학부) ;
  • 하태열 (한국식품연구원 식품기능연구단)
  • Published : 2007.11.30
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Abstract

The inhibitory effects of the water and methanol extracts of Jakwangdo and Honghyangmi on the rat microsome lipid peroxidation and growth of four human cancer cells such as HepG2 (liver cancer), SNU-1 (stomach cancer) MCF-7 (breast cancer) and SNU-C4 (colon cancer) were examined. The methanol extracts of red colored rices showed the antioxidant activity and growth inhibitory effects of cancer cells. However, water extracts did not show the activities. Inhibitory activities of methanol extracts of Jakwangdo and Honghyangmi against lipid peroxidation of rat microsome was 80% and 68%, respectively, at the concentration of 1 mg/assay. Jakwangdo methanol extracts showed the highest growth inhibitory activity in MCF-7 cells among the cancer cells tested. The methanol extracts of red colored rices were further fractionated with hexane, chloroform, ethyl acetate and butanol. Both chloroform and hexane fractions showed strong growth inhibitory activity in HepG2 and MCF-7 cells.

자광도와 홍향미, 동진현미를 물과 methanol로 추출하여 과산화지질생성 억제능 및 4종류의 인체유래의 암세포 즉, 간암세포 HepG2, 위 암세포 SNU-1, 유방암세포 MCF-7 및 대장암세포 SNU-C4에 대한 성장억제효과를 검토하였다. 물 추출물보다는 methanol 추출물에서, 동진현미보다는 자광도와 홍향미에서 높은 과산화지질생성 억제능과 암세포의 성장억제효과가 나타났다. 과산화지질생성 억제능은 홍향미 methanol 추출물(1 mg/assay)에서 80%, 자광도 methanol 추출물(1 mg/assay)에서 68%였다. 암세포 성장억제효능은 MCF-7에 자광도 methanol 추출물 첨가시 57%로 가장 낮았다. 또한 methanol 추출물을 극성이 서로 다른 4개의 유기용매로 분획하여 얻은 획분으로 과산화지질생성 억제능과 인체유래 암세포의 성장억제효과를 확인하였다. 자광도와 홍향미 methanol 추출물 분획물의 암세포에 대한 성장억제효과는 세포주에 따라 다소 차이는 있으나 chloroform, hexane 및 ethyl acetate 획분에서 성장억제효과가 큰 것으로 나타났다.

Keywords

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