PROBLEM TO BE SOLVED: To provide neurite outgrowth agents and compositions having excellent neurite outgrowth effect, to provide pharmaceutical compositions for the treatment and/or prevention of encephalopathy utilizing a component having excellent neurite outgrowth effect, and to provide food and drinks for the improvement of brain function, the maintenance or improvement of memory, the maintenance or improvement of motor function, or the accuracy improvement of learning function.SOLUTION: The present invention provides a neurite outgrowth agent comprising a shikimic acid or a salt thereof, a composition comprising shikimic acid or a salt thereof and NGF, a pharmaceutical composition for the treatment and/or prevention of encephalopathy comprising shikimic acid or a salt thereof, and a food and drink which comprises shikimic acid or a salt thereof, for the improvement of brain function, the maintenance or improvement of memory, the maintenance or improvement of motor function and the accuracy improvement of learning function.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】優れた神経突起伸長作用を有する神経突起伸長剤及び組成物を提供する。また、優れた神経突起伸長作用を有する成分を利用した脳疾患の治療及び/又は予防用の医薬組成物、並びに脳機能改善、記憶力の維持若しくは改善、運動機能の維持若しくは改善、又は学習機能の精度向上用の飲食品を提供する。【解決手段】シキミ酸又はその塩を含む神経突起伸長剤、シキミ酸又はその塩及びNGFを含む組成物、シキミ酸又はその塩を含む脳疾患の治療及び/又は予防用の医薬組成物、並びにシキミ酸又はその塩を含む脳機能改善、記憶力の維持若しくは改善、運動機能の維持若しくは改善、又は学習機能の精度向上用の飲食品。【選択図】なし
