PROBLEM TO BE SOLVED: To provide an edible composition having the effect of inhibiting or improving a topical swelling of a body, particularly a swelling in a lower limb part.SOLUTION: The present invention relates to a swelling inhibitor or improver comprising a black soybean seed coat extract, particularly an acidic extract of a black soybean seed coat, as an active ingredient, and an additive for the swelling inhibiting or improving composition.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】身体局所のむくみ、特に下肢部のむくみを抑制または改善する効果を有する可食性組成物を提供する。【解決手段】黒大豆種皮抽出物、特に黒大豆種皮の酸性抽出物を有効成分とするむくみ抑制または改善剤、並びにむくみ抑制または改善用組成物のための添加剤。【選択図】なし