2019/20 Taught Postgraduate Module Catalogue
FOOD5016M Physical Aspects of Food
10 creditsClass Size: 100
Module manager: Dr R Ettelaie
Email: r.ettelaie@leeds.ac.uk
Taught: Semester 1 (Sep to Jan) View Timetable
Year running 2019/20
Pre-requisite qualifications
A BSc degree in chemistry, biochemistry, biological sciences or related science, or chemical engineering.Module replaces
FOOD5010MThis module is not approved as an Elective
Objectives
- Discussion of First and Second Law of Thermodynamics- Application of above to open systems and concepts of free energy and chemical potential
- Relation between activity and cehmical potential
- Water activity in foods
- Foods as mixed systems and determination of activity of different components
- Mechanisms of reactions of Sulphate and Sorbic acid with food componants
- PKa and PKb of acids and bases
- Factors influencing Maillard reactions
Skills outcomes
A clear understanding of laws goverining many physical and physiochemical processes in foods and means of applying them to food systems.
Syllabus
- General description of the aqueous and non-aqueous environment in food
- Specific and general effects of electrolytes and non-electrolytes on equilibria in concentrated systems
- Mechanisms of reactions of sulphite and sorbic acid with food components
- Measurements and significance of pH in food; ionisation of proteins
- Distribution of ions between aqueous and protein gel phases
- Effects of surfactants on the activity and reactivity of preservatives
- Applications in Food Systems
Teaching methods
| Delivery type | Number | Length hours | Student hours |
| Lecture | 16 | 1.00 | 16.00 |
| Practical | 1 | 3.00 | 3.00 |
| Tutorial | 2 | 1.00 | 2.00 |
| Private study hours | 79.00 | ||
| Total Contact hours | 21.00 | ||
| Total hours (100hr per 10 credits) | 100.00 | ||
Private study
- 6 hours: practical report- 20 hours: preparation for utorial and exercises
- 33 hours: reading for lectures; and
- 25 hours: examination and preparation.
- 5 hours: worksheet exercise
Opportunities for Formative Feedback
Through practical and contributions to tutorials.Methods of assessment
Coursework
| Assessment type | Notes | % of formal assessment |
| In-course Assessment | Numerical examples class work - continuous assessment | 10.00 |
| In-course Assessment | Laboratory class work - continuous assessment | 10.00 |
| Total percentage (Assessment Coursework) | 20.00 | |
Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated
Exams
| Exam type | Exam duration | % of formal assessment |
| Standard exam (closed essays, MCQs etc) | 1 hr 30 mins | 80.00 |
| Total percentage (Assessment Exams) | 80.00 | |
Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated
Reading list
The reading list is available from the Library websiteLast updated: 04/09/2019
Browse Other Catalogues
- Undergraduate module catalogue
- Taught Postgraduate module catalogue
- Undergraduate programme catalogue
- Taught Postgraduate programme catalogue
Errors, omissions, failed links etc should be notified to the Catalogue Team.PROD