PURPOSE: An anticancer composition containing Phyllanthus urinaria extract is provided to prevent and treat colon cancer and to be used as a chemopreventive agent. CONSTITUTION: A pharmaceutical composition for preventing or treating colon cancer contains corilagin as an active ingredient. The pharmaceutical composition contains Phyllanthus urinaria extract as an active ingredient. A pharmaceutical composition for anticancer aid contains corilagin as an active ingredient. The pharmaceutical composition for anticancer aid contains Phyllanthus urinaria extract as an active ingredient. A pharmaceutical composition for preventing or treating gastrointestinal tumor contains corilagin or Phyllanthus urinaria extract as an active ingredient.본 발명은 항암 조성물에 관한 것으로 더욱 상세하게는 코릴라진(Corilagin)의 소화기 종양 특히 대장암에 대한 항암성을 이용한 항암 보조요법 및 대장암 예방을 위한 기능성 천연물 추출물 항암 제재의 개발에 관한 것이다.
