PROBLEM TO BE SOLVED: To provide a new neuroglial cell proliferation promoter effective for prophylaxis or treatment of FAS (fetal alcohol syndrome), Rett syndrome, various neurologic diseases, etc., associated with reduction of neuroglial cells and derived from the nature.SOLUTION: The neuroglial cell proliferation promoter is characterized as comprising a fat-soluble extract component derived from Fuscoporia obliqua as an active ingredient. Furthermore, a neuroglial cell proliferation promoting food is characterized as comprising the fat-soluble extract component derived from the Fuscoporia obliqua as the active ingredient.COPYRIGHT: (C)2007,JPO&INPIT【課題】 神経膠細胞の減少に伴う胎児性アルコール症候群(FAS)、Rett症候群、各種精神疾患などの予防や治療に有効な天然由来の新規な神経膠細胞増殖促進剤を提供すること。【解決手段】 カバノアナタケ由来の脂溶性抽出成分を有効成分とすることを特徴とする。【選択図】 図1