METHOD FOR ENHANCING BACTERICIDAL ACTION OF PORPHYRIN DERIVATIVES

摘要

PROBLEM TO BE SOLVED: To provide a method for enhancing an antibacterial effect to Gram-negative bacteria and fungus of porphyrin derivatives which exhibit a significant antibacterial effect to Gram-positive bacteria including antibiotic resistant bacteria, such as Staphylococcus aureus and MRSA.SOLUTION: With a specific porphyrin derivative, one or more selected from a chelating agent selected from EDTA, DTPA, and ascorbic acid, menthol, silver or a silver ion, histidine, mannitol, sodium chloride, and magnesium chloride should be used.