Disclosed is an oil-and-fat composition having a high ±-linolenic acid content, a hypertension-ameliorating effect, a good flavor, and good storage stability. Also disclosed is a food or beverage containing the oil-and-fat composition. The oil-and-fat composition comprises at least one vegetable oil A selected from flax oil, perilla oil and perilla seed oil, rice oil and at least one vegetable oil B selected from rape seed oil, soybean oil and corn oil at a ratio among the vegetable oil A, the rice oil and the vegetable oil B [i.e., a (vegetable oil A)/(rice oil)/(vegetable oil B)ratio)] of 20-35/15-25/40-65 by mass, wherein the ±-linolenic acid content in the constituent fatty acids contained in the oil-and-fat composition is 15 to 30 mass%.本發明係提供一種含有高量α－次亞麻油酸、具有高血壓改善效果，且風味佳、保存安定性佳的油脂組成物，以及含有該油脂組成物的食物。本發明的油脂組成物，其特徵在於：含有選自亞麻仁油、荏胡麻油、及紫蘇籽油中1種或2種以上的植物油A；米油；以及選自菜籽油、大豆油、及玉米油中1種或2種以上的植物油B；其質量比為植物油A/米油/植物油B＝20~35/15~25/40~65，該油脂組成物之脂肪酸組成中的α－次亞麻油酸含量為15~30質量%。
