Editing Food engineering (section)

=== Refrigeration and freezing ===
[[File:Refrigeration_Warehouse.jpg|thumb|258x258px|Food distribution center with refrigeration technologies]]
The main objective of food refrigeration and/or freezing is to preserve the quality and safety of food materials. Refrigeration and freezing contribute to the preservation of perishable foods, and to the conservation some food quality factors such as visual appearance, texture, taste, flavor and nutritional content. Freezing food slows the growth of bacteria that could potentially harm consumers.<ref name=":33" />