Such foods are stored in special containers which are refrigerated and atmospherically controlled so that they reach their destination in peak condition. Airfreight is used for markets where the demand for fresh produce commands a premium price, for example, prawns or lobsters. Some refrigerated trucks have microchips inserted in the unit to ensure the refrigerator is maintaining a constant temperature, for example, for transport yoghurt. Question Describe the functions of packaging in facilitating the storage and transport of food. There are many instances of wasteful, inefficient over-packaging, in addition to cases of packaging that has failed on its way to the consumer with the attendant loss of food.
Efficient packaging is based on scientific principles which recognise the function of the package.
The most appropriate materials are selected and, in order to minimise costs, the package should allow for efficient mechanised handling to eliminate high labour costs. Present-day packaging involves materials such as paper, steel cans, glass bottles etc. These in turn are packaged together into secondary packages, loaded onto pallets and secured by film, wrapping or some other means. Pallet loads can then be used for packing into containers for transport over long distances. The 3D configuration of packaging is of importance when ensuring maximum economy and efficiency of transport.