METHOD FOR PRESERVING FOOD FRESHNESS, DEVICE FOR PRESERVING FOOD FRESHNESS AND FOOD STORAGE UNIT PROVIDED WITH SAID FRESHNESS-PRESERVING DEVICE

摘要

The present application discloses a method for preserving food freshness, the method comprising an exposure process for exposing flower vegetables to radicals so that the radical exposure level per unit time is 0.1 ng/(hr∙cm²) or more and the total radical exposure level is 4800 ng/cm² or less.