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The course is intended to introduce students to the experimental observation of the reactions important in food technology, laboratory and practice. Students will learn how to control reactions and describe them with the kinetic equations.
Last update: Cejpek Karel (09.07.2013)
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Students will be able to:
Last update: TAJ323 (16.08.2013)
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R: Davídek J., Velíšek J., Pokorný J.: Chemical Changes during Food Processing (Developments in Food Science 21), Elsevier, Amsterdam-Oxford-New York-Tokyo, 1990, 0444988459. R: Van Boekel M. A. J. S.: Kinetic Modeling of Reactions in Foods, CRC Press, Boca Raton, 2009, 9781574446142. R: Velíšek J., Hajšlová J.: Chemie potravin, 3. vydání, OSSIS, Tábor, 2009, 9788086659176. A: Červinka O. a kol.: Mechanismy organických reakcí, SNTL/Alfa, Praha, 1976, 0460576. A: Upadhay S. K.: Chemical Kinetics and Reaction Dynamics, Springer/Anamaya Publishers, New York /New Delhi, 2006, 1402045468. Last update: Cejpek Karel (09.07.2013)
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1. Introduction to laboratory exercises, basic theory, sample preparation. 2. Oxidation of lipids. 3. Oxidation of lipids II. 4. Oxidation of ascorbic acid. 5. Determination of antiradical capacity of foods by DPPH radical scavenging assay. 6. Determination of antioxidant and prooxidant effect of foods by beta-carotene discoloration method. 7. Hydrolysis of proteins. 8. Non-enzymatic browning reactions: monitoring of the melanoidins' formation. 9. Non-enzymatic browning reactions: kinetics of the formation and transformation of 1-morpholino-1-deoxy-D-fructose. 10. Non-enzymatic browning reactions: mutarotation of saccharides. 11. Non-enzymatic browning reactions: hydrolysis of oligosaccharides. 12. Changes in water content of foods. 13. Determination of water activity and water content in food; construction of sorption isotherms. 14. Final test. Last update: TAJ323 (16.08.2013)
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http://mms02.vscht.cz/vyuka http://mms02.vscht.cz/ http://lib-c.vscht.cz/ http://www.sciencedirect.com/ http://mms02.vscht.cz/chemreakce Last update: Cejpek Karel (13.01.2015)
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Reaction Mechanisms in Food Chemistry Last update: Cejpek Karel (15.07.2013)
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Teaching methods | ||||
Activity | Credits | Hours | ||
Konzultace s vyučujícími | 0.5 | 14 | ||
Účast v laboratořích (na exkurzi nebo praxi) | 3 | 84 | ||
Příprava na přednášky, semináře, laboratoře, exkurzi nebo praxi | 0.5 | 14 | ||
4 / 4 | 112 / 112 |
Coursework assessment | |
Form | Significance |
Regular attendance | 60 |
Report from individual projects | 20 |
Continuous assessment of study performance and course -credit tests | 20 |