PROBLEM TO BE SOLVED: To provide a material useful for improving intracerebral neural activity, or preventing or improving brain dysfunction.SOLUTION: The present invention provides an agent for activating glucose metabolism of astrocyte, containing organic solvent extract of Puer tea as an active ingredient, an agent for activating intracerebral neurons, an agent for inhibiting deterioration of brain functions, an agent for improving brain functions, or an agent for preventing or improving brain dysfunction.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】脳内神経活動の向上または脳機能障害の予防もしくは改善に有効な素材の提供。【解決手段】プーアール茶の有機溶媒抽出物を有効成分とする、アストロサイトのグルコース代謝活性化剤、脳内神経細胞賦活化剤、脳機能低下抑制剤、脳機能向上剤、または脳機能障害の予防もしくは改善剤。【選択図】なし
