PROBLEM TO BE SOLVED: To provide a new carotenoid having carcinogenic virus activation inhibitory action.SOLUTION: This invention relates to a carotenoid-pheophorbide complex such as fucoxanthin-pyropheophorbide A ester represented by a chemical constitution formula.COPYRIGHT: (C)2013,JPO&INPIT【課題】発癌ウイルス活性化抑制作用を持つ新規カロテノイドの提供。【解決手段】下記化学構造式で示されるフコキサンチン-ピロフェオフルバイドAエステルなどのカロテノイド-フェオフルバイド複合体。【選択図】なし