Abstract: Provided herein is a sterilizing agent which is edible and/or drinkable after used for sterilization, has an excellent sterilizing effect in a neutral pH range and high safety for a human body, and can be suitably used as a sterilizing agent or an additive for an object such as various liquids, solids, or foods and drinks. The sterilizing agent according to the present invention comprises a strong acidic food additive and a strong alkali salt.

Abstract: A blister packaging apparatus comprises a blister forming part for forming a plurality of blisters in a thermoplastic resin sheet, an automatic material supplying part for automatically supplying materials into the blisters of the thermoplastic resin sheet, a metal foil member adhering part for adhering a metal foil member to the thermoplastic resin sheet so as to cover openings of the blisters accommodating the materials, a half-cutting part comprising at least one circular blade which is fixed in a non-rotational state and has a blade formed on an entire circumference thereof for forming a half-cut line in the thermoplastic resin sheet for facilitating separation of the blisters, and a curl reforming part for reforming a curl in the thermoplastic resin sheet on which the metal foil member is adhered.