Effects of Plum Fruits Extracts at Different Growth Stages on Quinone Reductase Induction and Growth Inhibition on Cancer Cells

생육시기별 피자두 추출물의 암세포 증식 억제 효과 및 Quinone Reductase 유도 활성에 미치는 영향

  • Kim, Hyun-Jeong (The Center for Traditional Microorganism Resources, Keimyung University) ;
  • Yu, Mi-Hee (Dept. of Food Science and Technology, Keimyung University) ;
  • Lee, Syug-Ook (Dept. of Food Science and Technology, Keimyung University) ;
  • Park, Jung-Hyun (The Center for Traditional Microorganism Resources, Keimyung University) ;
  • Park, Dong-Chul (Div. of Food Science, Gimcheon College) ;
  • Lee, In-Seon (The Center for Traditional Microorganism Resources, Keimyung University)
  • 김현정 (계명대학교 전통 미생물자원 개발 및 산업화 연구센터) ;
  • 유미희 (계명대학교 식품가공학과) ;
  • 이승욱 (계명대학교 식품가공학과) ;
  • 박정현 (계명대학교 전통 미생물자원 개발 및 산업화 연구센터) ;
  • 박동철 (김천대학 식품계열) ;
  • 이인선 (계명대학교 전통 미생물자원 개발 및 산업화 연구센터)
  • Published : 2004.11.01


The plum (Prunus salicina L., cv. ‘Soldam’) fruits were harvested at different growth stages, and then extracted using 80% methanol, respectively. The methanol extracts of plum were investigated for their growth inhibition on 6 kinds of human cancer cells using MTT assay and for their activity to induce quinone reductase (QR) in murine Hepa1c1c7 cells. Among various methanol extracts of plum, the plum 1~4 (immature fruit), which thin out 10~25 days before final harvest, showed higher anticarcinogenic activity against 5 kinds of cancer cells than plum 5~9 (intermediate-mature and mature fruit). Especially, plum 1 and 2 were exhibited the strongest growth inhibiting activities to AGS, HepG2 and MDA cancer cells. Also the plum extracts induced the activity of QR, an anticarcinogenic marker enzyme, in Hepa1c1c7 cells while the induction of QR activities by adding plum extracts were shown to be a little difference depending on growth stages. These results suggested that methanol extracts of immature plum can be considered as an effective natural cancer chemoprevention materials.


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