PROBLEM TO BE SOLVED: To provide a composition for preventing or treating disease or state involving cognitive impairment.SOLUTION: The composition for preventing or treating disease or state involving cognitive impairment comprises phosphatidylcholine represented by formula (I) (wherein -C(O)R1 and -C(O)R2 are same or different and they each represents an aliphatic acid residue).COPYRIGHT: (C)2009,JPO&INPIT【課題】認知障害を伴う疾患又は状態の予防又は治療用の組成物の提供。【解決手段】式(I):(式中、-C(O)R1及び-C(O)R2は、同一又は異なって、脂肪酸残基を示す)で表されるホスファチジルコリンを含有する、認知障害を伴う疾患又は状態の予防又は治療用の組成物。【選択図】なし
