On the shelf life of the concept, in the development of food shelf life of food products can be defined as acceptable and meets customer quality requirements of the length of time the dairy shelf life of a shelf. Shelf life is a decisive factor in the quality of dairy products, the length of the shelf life of dairy producers can determine the economic benefits sellers. Dairy shelf life of the product depends on the type of processing sales careful when handling methods of production and production processes implemented.
Product itself and its impact on product features product shelf enzymes and microorganisms by biochemical reactions. These harmful substances or microbes microorganism itself produces the products using certain nutrients to generate other substances, thus affecting the shelf life of the product. A lot of information was the action of enzymes is an important cause of the shelf life of asking and the changes are now focused on the biochemical aspects of the oxidation reaction, biochemical products mainly affects the appearance, flavor and taste.
Environmental impact of product shelf life environmental factors have storage temperature relative humidity, moisture content, water activity, gas concentration value, metal ion redox potential pressure and radiation. One of the most important environmental factor is temperature. Temperature affects the reaction rate. Generally, the reaction rate is accelerated with increasing temperature. Product storage temperature, shelf life is shortened.
Different packaging material permeability sealing its translucent moisture barrier so affects the shelf life of the product. Packaging materials composed of the following categories according to their paper cardboard corrugated paper material; synthetic polymer materials plastics and rubber adhesive coating; metal materials steel aluminum tin and lead; glass and ceramics; composites; fiber materials; timber; other material. Wherein the polymer material is more common. According to its properties and uses will be divided into rubber, fiber and plastics categories. Among soft plastic packaging. Dairy packaging, mostly soft plastic packaging, there are simple and easy stacking easy handling and light weight easy to count handsome in appearance and reasonable price advantages.
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