An object of the present invention is to provide functional food, pharmaceutical, and the like that can effectively alleviate allergic symptoms in humans and the like and is safe and secure even when used as an oral agent. A functional food, a pharmaceutical product or the like containing a glutamic acid-containing dipeptide or the like as an active ingredient, which can be obtained by various treatments of a dried pulverized product rich in eating experience, can be used by humans or the like without anxiety as an oral agent, Allergic symptoms can be effectively alleviated by actions such as the degranulation inhibition of basophils. None

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