PROBLEM TO BE SOLVED: To provide an antiallergic agent excellent in safety and having less risk of side effects that prevents development of symptom of allergic diseases, particularly a type I allergic disease, and further improves and treats the symptoms.SOLUTION: The invention provides the antiallergic agent having preventing, improving and therapeutic effects on allergic disease, and having whole grass or a part of the Lactuca sativa var.asparagina as an active ingredient.COPYRIGHT: (C)2013,JPO&INPIT【課題】アレルギー疾患、特にI型アレルギー疾患の症状の発症を予防し、さらには症状を改善および治療する、安全性に優れ副作用の恐れも少ない抗アレルギー剤の提供。【解決手段】本発明によればアレルギー疾患に対する予防、改善および治療効果を有する、ちしゃとうの全草または一部を有効成分とする、抗アレルギー剤が提供される。【選択図】なし
