Learning outcomes of the course unit
The aim of this course is to provide cross-disciplinary and specific competences about analysis and selection of packaging materials, technologies and plants for food products.
The state of the art and future developments of technical, technological and economics features are discussed.
Course contents summary
MIGRATION PHENOMENA. Interaction phenomena. Migration mechanisms. Migration forecasting.
SUITABILITY OF PACKAGING FOR FOOD. Food suitability of packages. Composition suitability. Migration limits. Sensory suitability. Labels.
PACKAGING TYPE. Glass and plastics bottles. CEE bottles.Production systems. Closing tools. Metallic packages: metallic boxes, double seeming, external protection. Deformable tubes. Aerosol packages. Kegs. Aluminium sheets.
FLEXIBLE PACKAGING. Films productions systems. Films finishing operations. Composite structures. Production techniques. Composite structures permeability. Flexible packaging typology.
STAMP AND CODES. Systems, techniques and characteristics of stamps. Ink types. Bar codes and EAN standards.
LABELS. Law regulations; metrological regulation. Verification of package content.
CONAI ENVIRONMENTAL CONTRIBUTION. Introduction. Definition of terms. Single materials environmental contribution.
PACKAGING TECHNOLOGIES. Hot filling. Aseptic conditioning or pre-sterilization. Sanification of materials and packages. Thermal post-sterilization with microwaves, ionizing radiations and high pressure. Atmosphere modifications. Hypo-baric conditioning. Packaging in modified or protective atmosphere. Active and intelligent packaging.
- Notes of Professor
- Robertson, G., L., "Food Packaging, principle and practice", II edition, CRC Taylor&Francis Group, USA 2006;
- Rizzo R., "Scienza e tecnologia delle acque minerali e delle bevande - Vol. IV - "IL PACKAGING DELLE ACQUE MINERALI E DELLE BEVANDE", Chiriotti editori, Pinerolo (TO) 2006
Direct lessons and a project of a packaging system, technology or plant.
Examination methods: oral examination and project discussion.