Method for treating an allergic or inflammatory disease

摘要

This invention is to provide an agent for therapy and prevention of allergic diseases which has no adverse action, shows a high safety even by administration for a long period and is able to be utilized to food and/or beverage, cosmetics, etc. which are used daily. To be specific, it provides antiallergic agent and anti-inflammatory agent characterized in containing at least one polyphenol selected from strictinin and methylated derivatives thereof as an effective ingredient; a method for the addition of an antiallergic agent for oral administration or an anti-inflammatory agent for oral administration which is characterized in containing at least one polyphenol selected from strictinin and methylated derivatives thereof as an effective ingredient to food and/or beverage for prevention, suppression and mitigation of allergic symptoms or inflammatory symptoms.