DTU
Uddannelse
Previous page | Current version Archive 2000/2001 
 
25232 Nutritional Aspects of Food Production
Danish title: Ernæringsmæssige aspekter ved levnedsmiddelproduktion
Language: Danish Credit points: 5
Type: Ph.D.-level, Open University
Language: Danish

Previous course: C2532
No credit points with: C2532
Prerequisite: 25111 / 25771
Recommended semester: Dipom: 6/7 semester. Civil: 4-8 semester
Examination: 2 hours written exam (13-scale)
Participant limitation: max. 24

Remarks: 2 hours written exam, approval of manuscript for individual lecture. (13 scale). Equal weight for exam and manuscript. Students' lectures in Danish.
Contact person: Vibeke Barkholt, Building 224, Tel. +45 4525 2751, email vb@biocentrum.dtu.dk
Carl-Erik Høy, Building 224, Tel. +45 4525 2737, email ceh@biocentrum.dtu.dk

Department: Department of Biochemistry and Nutrition
Aim: To give the students an understanding of nutritionally aspects of production processing and storage of food.
Contents: The influence of processing and storage of the most important components of food is discussed on a nutritional basis. Relevant analysis methods are mentioned.
Proteins: Methods for nutritional optimisation of the amino acid composition of food. The nutritional importance of protein modification during processing. Anti-nutritional factors: allergens, lectins protease inhibitors. Formation of biogenic amines. Presentation of well-defined enzymatic reactions in food-production.
Lipids: Isomeric fatty acids in edible fats. Poly-unsaturated n-6 and n-3 fatty acids in food. Structural modification of fats, chemical and enzymatic esterification. Lipid oxidation in general, autooxidation and enzymatic oxidation. The function of primary and secondary oxidation products. Cholesterol oxidation. Antioxidants, including the role of enzyme systems. Methods of analysis for lipids and lipidoxidation.
Carbohydrates: The nutritional importance of mono- and disaccharides. Polysaccharides, the importance of processes for nutritional value, grinding, enzyme modification. Fibers. Maillard reactions.
Vitamins: Fat-soluble: A, E, D and K occurrence and function in food. Role of vitamin E in lipidoxidation. Water-soluble: Occurrence and loss during production processes. Vitamin C and redox processes. Determination of vitamins in food.
Minerals and trace elements: Occurrence, function and recommended intake. Relevance of health food products.
Other topics and case stories will be treated in colloquia classes.