PROBLEM TO BE SOLVED: To provide a novel cell-growth inhibitor (preventive-therapeutic agent for cancers) capable of substituting for conventionally well-known cell-growth inhibitors (preventive-therapeutic agents for cancers).SOLUTION: The cell-growth inhibitor is provided which contains at least one of the compounds represented by the chemical formulas 1 to 4 described in the specification, as an active ingredient. A preventive and/or therapeutic agent for cancers and a food and drink are also provided each of which contains the cell-growth inhibitor.COPYRIGHT: (C)2015,JPO&INPIT【課題】従来公知の細胞増殖抑制剤(がんの予防・治療剤)に代替しうる新規な細胞増殖抑制剤(がんの予防・治療剤)を提供する。【解決手段】明細書に記載の化学式1~4で表される化合物の少なくとも1種を有効成分として含有する細胞増殖抑制剤、これを含有するがんの予防および/または治療剤、並びに飲食品により、上記課題は解決されうる。【選択図】図3
