Course detail
Principles of Food Preservation
FCH-BCO_PUPAcad. year: 2018/2019
Theoretical and technological possibilities of the protection against undesirable changes of foodstuff. Physical, chemical and biological principles of food preservation. Abiotic a anabiotic methods of food preservation. Thermosterilation by heat, microwave and ohmic preocedures. Sterilation by ionising radiation. Sterilation in modified atmosphere, carbo dioxide or ultra high pressure. Drying, evaporation and osmosis. Preservation by chilling and freezing. Smoking, acidulation and alcoholisation. Application of chemical preservatives. Application of hurdles approach in food preservation.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Learning outcomes of the course unit
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Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
2. Respiration of raw material, intramolecular respiration.
3. Microbial factors of food putrefaction and protection of food against them
4. Removal of microorganisms from media
5. Factors affecting thermosterilation of foods
6. Thermosterilation with ohmic and high frequency heating.
7. Preservation by ionisation.
8. Preservation by ultra high pressure, pressure pulses, and ultrasound.
9. Preservation by oxygen ionised silver, peroxide hydrogen, and diethyl ester pyrocarbon acid.
10. Preservation by drying, evaporation, and freezing-out of water
11. Preservation by osmosis and ultra filtration.
12. Preservation by lowered temperature, removal of oxygen, modification of atmosphere.
13. Preservation by chemical compounds, smoking, antibiotic, phytoncides
14. Preservation by metabolical products, application of hurdles technology
Work placements
Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
Kadlec, P.; Melzoch, K.; Voldřich, M.: Technologie potravin - Přehled tradičních potravinářských výrob. KEY Publishing s.r.o., Ostrava-Přívoz, 2012, 588 s. ISBN 978-80-7418-145-0. (CS)
Recommended reading
Classification of course in study plans
- Programme BPCP_CHTP Bachelor's
branch BPCO_BT , 3 year of study, summer semester, compulsory-optional
branch BPCO_CHP , 3 year of study, summer semester, compulsory - Programme BKCP_CHTP Bachelor's
branch BKCO_BT , 3 year of study, summer semester, compulsory-optional
branch BKCO_PCH , 3 year of study, summer semester, compulsory - Programme CKCP_CZV lifelong learning
branch CKCO_CZV , 1 year of study, summer semester, compulsory