UNIT 1:
Flexible packaging materials, Plastic packaging - types of polymers in food packaging and their barrier properties
Functions of Packaging, Packaging of foods requirement, importance and scope, environmental considerations
Manufacturing types Paper and paper board - characteristics -
Testing methods for flexible packaging materials
Packaging - manufacture process - modification of barrier properties
Corrugated fiberboard boxes, Relative advantages and disadvantages of different packaging materials
UNIT 2:
Metal cans, manufacture of two piece and three-piece cans
Container designs - Raw materials for can-making – End-making processes
Easy-open ends – Coatings. Glass containers - types of glass in food packaging
Easy-open ends – Coatings. Glass containers - types of glass in food packaging
Container designs - Raw materials for can-making – End-making processes
Manufacture of glass and glass containers, closures for glass containers
Effect of these materials on packed commodities.
Testing methods for rigid materials and semi rigid materials.
UNIT 3:
Shrink and cling packaging, vacuum packaging
Edible film packaging, Shrink and stretch packaging,
Tetra packaging, Retort packaging – principles and application.
Aseptic packaging – requirements
CAP and MAP - novel gases - applications
UNIT 4:
Active packaging - Controlled release packaging – process, structure property and food variables, target release rate.
Active packaging - Controlled release packaging – process, structure property and food variables, target release rate.
Antimicrobial packaging - Natural non-toxic insect repellent packaging materials.
Active nanocomposite packaging
Free radical scavenging, oxygen scavenging and antimicrobial nanocomposites
UNIT 5:
Shelf life studies - Shelf life models
Smart and intelligent packaging – components and applications. Interactive packaging using internet, Smart Labeling
