PROBLEM TO BE SOLVED: To provide a material for inhibiting a rise in blood triglyceride concentration after intake of lipid, which includes a food material and is orally taken to exert effects: and to provide a method for inhibiting a rise in blood triglyceride concentration.SOLUTION: The material for inhibiting a rise in blood triglyceride concentration after intake of lipid contains acidic oil-in-water emulsified material the median diameter of an oil the droplet of which is &le2 &mum, as active ingredient.COPYRIGHT: (C)2012,JPO&INPIT【課題】食品素材からなり、経口摂取で効果を発揮する、脂質摂取後の血中トリグリセリド濃度上昇抑制材及び血中トリグリセリド濃度上昇抑制方法を提供する。【解決手段】油滴のメディアン径が2μm以下の酸性水中油型乳化物を有効成分として含有することを特徴とする、脂質摂食後の血中トリグリセリド濃度上昇抑制材。【選択図】図1