NEW PHLOROGLUCINOL DERIVATIVE, COMPOSITION GIVEN BY USING THE SAME, AND ANTIALLERGENIC AGENT

摘要

PROBLEM TO BE SOLVED: To provide a new phloroglucinol derivative which is extracted from a fruit skin of Mallotus philippensis and has an antiallergenic effect, to provide a composition containing the phloroglucinol derivative as the active ingredient, and to provide an antiallergenic agent. SOLUTION: This phloroglucinol derivative is expressed by the general formula (1) or (2). The composition contains the phloroglucinol derivative. The composition is preferably used as the antiallergenic agent.