Vegetable and fruit modified atmosphere preservation packaging machine extends freshness time

材质：

不锈钢

After fruits and vegetables are harvested, they still maintain strong vitality, and respiration is an obvious manifestation of this vitality. The respiration of fruits and vegetables during storage consumes sugars, acids and other organic matter in the tissues of fruits and vegetables. The stronger this respiration, the faster the aging of fruits and vegetables. Therefore, efforts should be made to reduce the respiratory intensity of fruits and vegetables during storage. Low-temperature storage can weaken the respiration intensity of fruits and vegetables, and the respiration intensity can be weakened by approximately every ℃ drop. The effect of low temperature can also inhibit the proliferation of microorganisms and slow down the oxidation and spoilage rate of fruits and vegetables. However, if the storage temperature is too low, it will cause frostbite on fruits and vegetables. Therefore, low-temperature storage alone cannot achieve the optimal preservation effect. Through practice, people have found that appropriately reducing the oxygen content in the air and increasing the concentration of carbon dioxide in the storage environment of fruits and vegetables can effectively suppress the exhalation intensity of fruits and vegetables, delay ripening, and achieve the purpose of extending the storage period. Therefore, low-temperature controlled atmosphere storage can achieve a relatively ideal preservation effect for certain fruits and vegetables, which is what we often call controlled atmosphere preservation packaging.
After harvesting fresh fruits and vegetables, mushrooms and fruits and vegetables, they still maintain metabolic respiration activities of absorption and discharge. If the content in the package is reduced or increased, the fruits and vegetables can maintain weak aerobic respiration without producing anaerobic respiration. The aging process of fresh fruits and vegetables is delayed, the metabolic rate is reduced, and the shelf life is extended. The preservation gas for modified atmosphere packaging of fresh fruits and vegetables consists of, and. The shelf life of modified atmosphere packaging is determined based on the variety and freshness of fruits and vegetables, such as strawberries, mushrooms, lychees, peaches, leafy vegetables, etc. The shelf life at ℃ temperature is days. Uses low barrier film.