Method for exhibiting bactericidal activity of histidine silver complex in solution containing chloride ion, liquid additive composition and liquid antibacterial composition

摘要

The present invention provides a method for maintaining the microbicidal activity of a histidine-silver complex in a chlorine-ion-containing solution, said method being characterized by the addition of water-soluble nitrogen-containing polymers, namely either e-polylysine or a mixture of polyethyleneimine and e-polylysine.