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新型塑料保鲜膜日本研制成功一种一次性使用的新型塑料保鲜膜。它是由两层透水尼龙半透明膜组成的,两层膜之间装有渗透压高的砂糖糖浆。利用这种塑料膜来包装果蔬,能慢慢吸收从果蔬表面渗出的水分,达到保鲜的目的。可食用的水果保鲜剂英国研制成功一种可食用的水果保鲜剂,它是由蔗糖、淀粉、脂肪酸和聚脂物调配成的半透明乳胶液,可用喷雾、涂刷或浸渍的方法覆盖于柑桔、苹果、西瓜、香蕉和西红柿等果蔬的表面,保鲜期可达200天以上。由于这种保鲜剂可在水果表
New Plastic Cling Film Japan successfully developed a one-time use of the new plastic cling film. It consists of two layers of permeable nylon semitransparent film with a high osmotic pressure of sugar syrup between the two films. Use of this plastic film to wrap fruits and vegetables, can slowly absorb the water exuding from the surface of fruits and vegetables, to achieve the purpose of preservation. Edible fruit preservative UK developed an edible fruit preservative, which is translucent latex formulated from sucrose, starch, fatty acids and polyesters and can be sprayed, brushed or impregnated with Oranges, apples, watermelons, bananas and tomatoes and other fruits and vegetables on the surface, shelf life of up to 200 days. Because this preservative can be in the fruit table