| 摘要 |
PROBLEM TO BE SOLVED: To obtain a preventive and/or therapeutic agent for type I allergy which has no adverse drug reactions such as those of medicines used in the past and shows high safety. SOLUTION: The plant essential oil composition having anti-type I allergic effect is obtained by including an essential oil obtained from at least one kind of plant belonging to the family Myrtaceae, an essential oil obtained from at least two kinds of plants belonging to the family Labiatae and an essential oil obtained from at least one kind of plant belonging to the family Rutaceae. The preventive and/or therapeutic agent for type I allergy containing this composition as an active ingredient is capable of effectively carrying out prevention and/or treatment for type I allergy, because the synthesis of LTC4 or LTD4 is inhibited and the signal transmission due to chemical mediators causing type I allergic reaction from mast cells, or the like, is also inhibited. Further, as this therapeutic agent is a percutaneous absorbent, the drug administration can be easily stopped. |
