"Tsin developed a multi-purpose fresh-keeping film for fruits and vegetables
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Multifunctional fruit and vegetable cling film was successfully developed by the National Preservation Center (Tianjin). Its technical principle is mainly self-regulating, moisturizing, and has the functions of mildew prevention, insect repellent, packaging, and modification. Rely on the permeability of plastic film, maximize the use of agricultural products to reduce the consumption of oxygen, increase the concentration of carbon dioxide, inhibit self-breathing consumption of agricultural products, delay aging and achieve long-term preservation purposes. The technical results are simple, energy-saving, practical, and small-scale investment. At this stage, the fresh-keeping effect of MA (spontaneous atmosphere storage) is usually 3 to 4 times that of CA (gas storage). This technical achievement is applicable to the storage, transportation and sales of agricultural products throughout the country, especially for the preservation of fruits and vegetables MA in producing areas, and also used for shelf preservation of urban household fruits, vegetables, grains and flowers during the sales period.