Application of air duct in cold storage

The role of bag air duct in the cold storage of fruits and vegetables     Cold Storage is a kind of storage method under the condition of lower than normal temperature but not lower than 0 °C. At present, cold storage is a kind of low temperature storage method widely used in vegetable cold chain logistics. Good quality of vegetables before transport and sale can be obtained by refrigeration.      Leafy vegetables are highly breathable after harvest, the water evaporates quickly, and the rate of water loss reaches 5% , which means that they lose their commodity value and are very vulnerable to mechanical damage. The quality of leafy vegetables was mainly affected by the internal and external factors, the external quality was mainly affected by chlorophyll, and the internal quality was mainly affected by ascorbic acid, Carotenoid and phenols. At present, low-temperature storage is one of the most effective methods to keep leafy vegetables fr…

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