Food Chemistry and Biochemistry
Code
10749
Academic unit
Faculdade de Ciências e Tecnologia
Department
Departamento de Ciências e Tecnologia da Biomassa
Credits
6.0
Teacher in charge
Ana Luísa Almaça da Cruz Fernando, Benilde Simões Mendes
Weekly hours
5
Total hours
70
Teaching language
Português
Objectives
Acquisition of the fundamentals of chemical structures and the chemical and biochemical processes related with food. Development of the necessary skills to perform chemical and biochemical laboratory assays, related with food analyses.
Prerequisites
Basic knowledge of chemistry and biochemistry.
Subject matter
1. Water: structure, interactions with food components and food materials, water activity
2. Amino-acids, peptides, proteins: classification, physical and chemical reactions, enzyme catalised reactions, sensorial properties, texturization, food fortification.
3. Enzymes: characteristics, co-factors, enzimatic catalysis, kinetics, interaction with aw and temperature.
4. Lipids: fatty acids, glycerides, fosfo and glycolipids, lipoproteins, others. Structures. Properties and reactions. Food changes.
5. Glucides: Mono, oligo, polissacarides. Structures, properties. Reactions.
6. Flavours
7. Vitamines
8. Minerals
9. Aditives
Laboratory Work:
1. Maillard reaction; 2. Protein functionality; 3. Lipid peroxidation; 4. Vitamines; 5. Aditives
Bibliography
Food Chemistry. Belitz, H.D., Grosh, W. 2nd Edition, Springer-Verlag, New York, 1999.
Food: The Chemistry of Its Components. Coultate, T.P. 3rd Edition, RSC Paperbacks, 2001.
Teaching method
Theoretical Lectures with datashow. Experimental studies in laboratory facilities.
Evaluation method
Evaluation of theoretical: 3 individual mini-tests (MT), MT_1 (20% of the final grade); MT_2 (25% of the final grade); MT_3 (25% of the final grade).
Evaluation of the laboratory component: delivery of two reports conducted in groups, each with a weight of 15% of the final grade.
Final rating: 0.2 * Mini-test1 +0.25 Mini-test2 +0.25 * Mini-test3 * +0.15 * report1 +0.15report2
Approval with a minimum score of 9.5 (scale of 20).
students who do not pass their continuous assessment examination may go to the final exam. Classification in this case equals: 0.7 * exam note * +0.15*report1+0.15*report2.
Approval with a minimum score of 9.5 (scale of 20).