Most of the foods we buy are processed in some way, even if only cleaned and sorted, e.g. fresh apples. This is necessary in modern food production supply. Some processing methods used to preserve food are simple and have been used for hundreds of years, some of these are still employed today, but many new ones have been developed.

Originally released by Video Education Australasia, 2008. Streaming video file encoded with permission for digital streaming by Infobase on January 19, 2017.

Processing and Preserving Foods --(1:40) -- Why is Food Processed and Preserved? -- (2:02) -- How are Foods Processed? -- (4:10) -- How are Foods Preserved? -- (3:56) -- Meeting Safe Standards -- (5:05) -- Milk Case Study -- (4:29) -- Conclusion -- (0:32) -- Credits: Processing and Preserving Foods -- (1:19).