Preservation by Packaging Questions and Answers.

Types of packaging - ANSWER-primary (next to food), secondary, tertiary 3 Factors that determine packaging - ANSWER--attributes/characteristics of food -size of the food and intended use -intended location of use (i.e. ease of opening, etc.) hermetic seal - ANSWER-nothing can get in and nothing can get out 4 Roles of packaging in preservation - ANSWER-protect food from... -contamination -tampering -light and oxygen provide an anaerobic environment 3 Safety and quality factors in packaging - ANSWER--tamper resistance -active packaging -hermetic seal = impenetrable 4 Active packaging examples/methods - ANSWER--modified atmosphere -oxygen scavenging -moisture control -breathable/controlled atmosphere 4 Packaging techniques - ANSWER--heat after packaging (retort and post-package pasteurization) -hot fill -form fill seal -a