PROBLEM TO BE SOLVED: To provide inhibitors for leukocyte elastase, which is involved in disorders of vascular endothelial cells, to prevent various diseases caused by the disorders of vascular endothelial cells.SOLUTION: A vascular endothelial cell protectant comprises an acid extract from Glycine Max as an active ingredient.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】血管内皮細胞の障害によって引き起こされる各種疾患を予防のため、血管内皮細胞の障害に関与する白血球エラスターゼの阻害剤を提供する。【解決手段】ダイズの酸抽出物を有効成分として含む血管内皮細胞保護剤。【選択図】なし