Quality and genuineness of milk and dairy products

A.Y. 2020/2021
Overall hours
Learning objectives
Describe EU regulations on product labelling and on quality
schemes for agricultural products and foodstuffs.
Supply students with the ability to choose the specific parameters
and to individuate the specific analytical techniques suitable for
the evaluation of chemical, biochemical and technological quality
and/or possible adulterations of different dairy products.
Expected learning outcomes
"Employment of the different analytical techniques to highlight
quality aspects of milk and other dairy products. Recognition of
possible adulterations; identification and application of appropriate
analytical techniques to highlight them.
Choice of appropriate parameters and analytical techniques to
evidence specific compositional properties of P.D.O. dairy
products, suitable for their characterization and protection from
Course syllabus and organization

Single session

Lesson period
Second semester
In case of restrictions on classroom access, lessons will take place in remote on the Teams platform, in synchrounous with the scheduled lesson time. Information on how to connect will be opportunely provided to students. Course program will remain unchanged.
Course syllabus
Legal aspects of quality control; labelling, nutrition and health claims; EU regulation on Protected Geographical Indications and Designations of Origin
Basic determinations for dairy products: proteins (Kjeldahl, Dumas), nitrogen fractions (NCN, NPN), lipids (Röse-Gottlieb, Gerber), lactose (Fehling, HPLC), minerals
Advanced determinations: fatty acids (saturated/unsaturated, GC), heat damage (products of the Maillard reaction); Rapid I.R. techniques: the Milkoscan
Methods for the detection of the most common frauds in the dairy sector
Cheese characterization: free amino acids (IEC) (cheese typicalness), detection of rind addition to grated products, alkaline phosphatase (verification of possible milk heat treatments), lysozyme
Prerequisites for admission
Biochemistry and Dairy Chemistry recommended but not mandatory
Teaching methods
Classroom lessons will be integrated with (hands-on) laboratory practice and learning visits
Teaching Resources
Slides of the lessons will be supllied to students
Assessment methods and Criteria
Final examination will be oral and in English, and will include the description of an analytical method as well as a question on solving a problem of recognition of a fraud or product genuineness
AGR/15 - FOOD SCIENCE AND TECHNOLOGY - University credits: 6
Laboratories: 32 hours
Lessons: 32 hours