果蔬涂膜保鲜法的特点：①果蔬表面形成一层被膜，有抑制呼吸作用，减少营养消耗和水分散发，防止微生物侵入；②保持果蔬的色泽，增加了亮度，提高商品价值；③既适合小批量处理，也适合大批量保鲜，机械化程度高；④果蔬涂膜与单果包装相比，价格更便宜。常用的被膜剂有：蜡 Preservation of fruits and vegetables features: ① a layer of film on the surface of fruits and vegetables, inhibition of respiration, reduce nutrient consumption and water distribution, to prevent microbial invasion; ② to maintain the color of fruits and vegetables, increased brightness, improve the value of the commodity; ③ both suitable for small Batch processing, but also suitable for large quantities of fresh, high degree of mechanization; ④ fruit and vegetable coating and single fruit packaging, the price is cheaper. Commonly used film are: wax