Research on Biodegradable Films and Their Comparison with Ordinary Films

Abstract

Abstract.As a new type of film, degradable film is now widely used and can be used to package a variety of fruits, vegetables, etc., the purpose of which is to achieve better preservation and delay the storage period. With the development of modern biology, more and more people pay attention to degradable film. Degradable film not only has the function and characteristics of traditional plastic, but also it will revert to reductive form Ecological environment and return to nature in the life of life through the soil and water microbial action or by the role of sunlight in the ultraviolet light, in the natural environment, spliting degradation, so that it will not cause pollution to the environment. New-type fresh-keeping film of fruits and vegetables achieves the purpose of protecting the environment by using film made of degradable materials such as titanium dioxide, starch, soybean protein, chitosan and cellulose. However, now on the market many films do not have good preservation effect and can also destroy the flavor of the food. So this paper conducts a clear exposition of the development and preservation of biodegradable.