PROBLEM TO BE SOLVED: To provide novel chemical substances as resources.SOLUTION: Xylogranin A is represented by formula. This chemical substance, which exerts cell growth inhibitory action on cancer cells, is expected to be used as e.g. a therapeutic drug for cancer.COPYRIGHT: (C)2012,JPO&INPIT【課題】新規な化学物質を資源として提供する。【解決手段】本発明に係るキシログラニンAとする。【選択図】なし