After the fresh fruits and vegetables mushrooms are harvested, they still maintain the metabolic respiration activity of absorbing O2 and expelling CO2. If the O2 content in the package is reduced and the CO2 content is increased, the fruits and vegetables can maintain weak aerobic respiration witho

CO2 gas has the effect of inhibiting the growth and reproduction of most spoilage bacteria and molds, and is the main bacteriostatic agent in fresh-keeping gas; O2 gas can inhibit the growth and reproduction of most anaerobic spoilage bacteria, maintain the color of fresh meat, and maintain the qua