PROBLEM TO BE SOLVED: To provide a food, a cosmetic or a medicine exhibiting safe and sufficient antiallergic effects and allowing daily chronic dosing.SOLUTION: The antiallergic agent includes elenolic acid or a salt thereof. The elenolic acid or the salt thereof has excellent histamine isolation-inhibiting effect and exhibits antiallergic effects. The compound also exhibits pollinosis-ameliorating effects and atopic dermatitis-ameliorating effects. The forms of the antiallergic agent are not required to be specifically distinguished, and the forms of normal food or medicine such as a tablet-shaped candy, a candy, a granule and a beverage, and the forms of normal cosmetics of basic cosmetics such as skin lotion and cream and makeup cosmetics such as foundation can be adopted.COPYRIGHT: (C)2009,JPO&INPIT【課題】日常的に連用可能で、安全かつ十分な抗アレルギー効果を示す食品、化粧品又は医薬品を提供する。【解決手段】本発明はエレノール酸又はその塩を含有する抗アレルギー剤を提供する。エレノール酸又はその塩は優れたヒスタミン遊離抑制効果をもち、抗アレルギー効果を示した。また、花粉症改善効果やアトピー性皮膚炎改善効果も示した。本発明に係る抗アレルギー剤の形態は特に問わず、錠菓、キャンディー、顆粒剤、飲料等の通常の食品又は医薬品の形態や、化粧水、クリーム等の基礎化粧品、あるいはファンデーション等のメイクアップ化粧品といった通常の化粧品の形態を採用できる。【選択図】なし