MANDSHURICA WALNUT EXTRACT HAVING ANTICOMPLEMENT ACTIVITY

摘要

PURPOSE: Provided is Mandshurica walnut extract which characteristically has anticomplement activity. In particular, gallotannin compound isolated from the Mandshurica walnut extract is useful for therapeutics for diseases caused by abnormal increase and activation of complements. Also, provided are medicaments and food additives containing gallotannin compounds. CONSTITUTION: A therapeutic for allergic diseases is characterized by containing Mandshurica walnut extract, wherein the active ingredient of the Mandshurica walnut extract is selected from compounds represented by the formulae(1,2) or their derivatives.