COLD STORAGE AGENT, COLD STORAGE AGENT PACK, AND PRE-PACKAGED CHILLED FOOD USING THE COLD STORAGE AGENT PACK

摘要

PROBLEM TO BE SOLVED: To provide a cold storage agent and a cold storage agent pack which can perform cold storage over a long time.;SOLUTION: The cold storage agent comprises 1.0 to 2.5 wt.% sodium sulfate, 0.8 to 2.2 wt.% at least either of sodium chloride and potassium chloride, and the balance of water. The cold storage agent pack is prepared by sealing the cold storage agent and a second nonwoven fabric in a water-impermeable bag made of, e.g., polyethylene, polyvinyl chloride, or nylon, the non water-impermeable bag having a double-ply or two-layer structure, and forming a first nonwoven fabric on the outer surfaces of the top and bottom of the water-impermeable bag.;COPYRIGHT: (C)2007,JPO&INPIT