PROBLEM TO BE SOLVED: To provide a stressless system of a product in a chamber, carrying out the compulsory removal of a deterioration-promoting gas generated from a plant itself, a malodor floating in the chamber and pollutants to keep the freshness of the plant, a fruit and a food and to keep them hygienically by adopting a system for controlling the temperature in the chamber. SOLUTION: The system enables the goods in the chamber to be preserved in a hibernation state by promoting ethylene gas adsorption and the gas degradation by a photocatalytic effect while raising the relative humidity, and controlling the humidity and the temperature. COPYRIGHT: (C)2006,JPO&NCIPI
