AN ASSOCIATED STERILIZATION METHOD COMPRISING OZONE, ULTRAVIOLET AND NANO-SILVER COATING FOR QUALITY MAINTENANCE OF FREEZE-DRIED FOOD

摘要

An associated sterilization method comprising ozone, ultraviolet and nano-silver coating for quality maintenance of freeze-dried food, including pretreating raw material in manner of nano-silver coating, finished product being sterilized by ozone, then sterilized by ultraviolet so as to control microorganism amount up to no more than within 1000/g and large intestine bacillus reaching the standard.