| abstract |
(57) [Problem] To provide a method for improving the storage stability of nicorandil in a powder formulation. SOLUTION: An aqueous solution of nicorandil is selected from the group consisting of a basic amino acid, an alkali metal pyrosulfite, an alkali metal sulfite, an alkali metal nitrite, an alkali metal thioglycolate, and ascorbic acid or an alkali metal salt thereof. The at least one stabilizer is dissolved and dried. |