Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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In Vitro Effect of Yuza (Citrus junos SIEB ex TANAKA) Extracts on Proliferation of Human Prostate Cancer Cells and Antioxidant Activity

In vitro 상에서 유자(Citrus junos SIEB ex TANAKA) 용매 추출물의 암세포 억제효과 및 항산화성

  • Yoo, Kyung-Mi (Department of Food and Nutrition, College of Human Ecology, Seoul National University) ;
  • Hwang, In-Kyeong (Department of Food and Nutrition, College of Human Ecology, Seoul National University)
  • Published : 2004.04.30
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Abstract

Effects of 18 kinds of yuza extracts on viability of prostate cancer cells, DU 145 and LN-CaP, were investigated. Chloroform and methanolic extracts of yuza peel exhibited moderate cytotoxicity against both cancer cell lines dose-dependently and also showed antioxidant activity matching on inhibition of cell viability (author's intension not clear). Chloroform extract of yuza peel exhibited highest radical-scavenging activity and cytotoxicity against prostate cancer cells in vitro.

유자는 성숙할수록 과피와 과육의 총페놀 함량은 많아지고 자유기 소거능이 높아지는 경향을 보였다. 유자로부터 추출한 18가지 용매 추출물의 항산화 활성과 전립선 암세포 DU 145, LN-CaP에 대한 세포독성 실험을 실시한 결과 과피와 과육 모두 미성숙한 유자 보다 성숙한 후 수확한 유자가 그 활성이 높게 나타냈다. 용매별로 살펴보면 과성숙 유자 과피, 과육의 클로로포름, 메탄올 추출물은 전립선 암세포 DU 145에 대하여 60% 이상의 세포사멸 효과를 나타났으며 메탄올 추출물의 효과도 농도에 따라 상당히 높은 것으로 나타났다. 또한 세포 조직을 현미경으로 살펴본 결과 추출물의 처리 농도가 증가할수록 세포 사멸이 쉽게 이루어지는 것을 확인 할 수 있었다. 이런 세포 사멸의 경향은 추출물의 자유기 소거 환성이 높을수록 높게 나타났다.

Keywords

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