Abstract this article briefs on the methods and mechanisms of preservation and storage for fruits and vegetables, and presents a detail introduction about how to obtain the accurate permeability data of preservative film under lower temperature storage environment. Key words preservation of fruit and vegetable, low temperature, permeability, data fitting people often focus their attentions on the guarantee period when buying food. Guarantee period is a term used for the safety of food. Food within this period can be eaten safely. However, with the improvement of living standard, people began to pay close attention to the freshness of food.
