Koutchma, Tatiana, Ph.D.

Research Scientist


Contact Information:

93 Stone Road West
Guelph, Ontario N1G 5C9
Telephone: 226-217-8123
Fax: 519-829-2600
Email: tatiana.koutchma@agr.gc.ca

Areas of Expertise:

  • thermal processing
  • innovative processing technologies with emphasis on ultraviolet light irradiation, microwave heating, ultra high pressure
  • process calculations
  • modeling reaction kinetics
  • engineering properties of foods
  • process validation

Research Publications:

The links below lead to abstracts with access to full text.

2014

  • Koutchma, T. (2014). Preservation and Shelf Life Extension: UV Applications for Fluid Foods., Canada: Elsevier Inc. Academic Press. (Book)
  • Orlowska, M., Koutchma, T., Kostrzynska, M., Tang, J., and Defelice, C. (2014). "Evaluation of mixing flow conditions to inactivate Escherichia coli in opaque liquids using pilot-scale Taylor-Couette UV unit.", Journal of Food Engineering, 120, pp. 100-109. doi : 10.1016/j.jfoodeng.2013.07.020
  • Orlowska, M., Koutchma, T., Kostrzynska, M., and Tang, J. (2014). "Surrogate organisms for pathogenic O157: H7 and non-O157 Escherichia coli strains for apple juice treatments by UV-C light at three monochromatic wavelengths.", Food Control, 47, pp. 647-655. doi : 10.1016/j.foodcont.2014.08.004
  • Yin, F.G., Zhu, Y., Koutchma, T., and Gong, J. (2014). "Inactivation and potential reactivation of pathogenic Escherichia coli O157: H7 in apple juice following ultraviolet light exposure at three monochromatic wavelengths.", Food Microbiology, 46, pp. 329-335. doi : 10.1016/j.fm.2014.08.015
  • Zhu, Y., Koutchma, T., Warriner, K., and Zhou, T. (2014). "Reduction of Patulin in Apple Juice Products by UV Light of Different Wavelengths in the UVC Range.", Journal of Food Protection, 77(6), pp. 963-971. doi : 10.4315/0362-028X.JFP-13-429

2013

2012

  • Gómez-López, V.M., Koutchma, T., and Linden, K.G. (2012). "Ultraviolet & Pulsed White Light.", in Cullen, P.J., Tiwari, B and Valdramidis, V. (eds.) - Novel Thermal and Non-Thermal Technologies for Fluid Foods, Elsevier.
  • Juliano, P., Bilbao-Sáinz, C., Koutchma, T., Balasubramaniam, V.M., Clark, S., Stewart, C.M., Dunne, C.P., and Barbosa-Cánovas, G.V. (2012). "Shelf-Stable Egg-Based Products Processed by High Pressure Thermal Sterilization.", Food Engineering Reviews, 4(1), pp. 55-67. doi : 10.1007/s12393-011-9046-4

2011

  • Forney, L.J., Koutchma, T., and Ye, Z. (2011). "Characterization and Simulation of Ultraviolet Processing of Liquid Foods Using Computational Fluid Dynamics.", in Knoerzer, K., Juliano, P., Roupas, P. and Versteeg, C. (eds.) - Innovative Food Processing Technologies: Advances in Multiphysics Simulation, John Wiley & Sons, Ltd, Chapter 14, pp. 303-323.
  • Koutchma, T. (2011). "High pressure process design.", in Ahmed, J. and Rahman, M.S. (eds.) - Handbook of Food Process Design, Wiley - Blackwell.
  • Koutchma, T. (2011). "Pasteurization and Sterilization.", in Da-Wen Sun (ed.) - Handbook of Food Safety Engineering, CRC Press.
  • Rawson, A., Patras, A., Tiwari, B.K., Noci, F., Koutchma, T., and Brunton, N. (2011). "Effect of thermal and non thermal processing technologies on the bioactive content of exotic fruits and their products: Review of recent advances.", Food Research International, 44(7), pp. 1875-1887. doi : 10.1016/j.foodres.2011.02.053

2010

2009

Other Science Related Publications:

2013

  • Koutchma, T. (2013). "Bridging Advantages of UV Technology for Better Safety and Quality of Fluid Foods and Beverages with Cost Saving and Sustainability Opportunities.", IFT 2103, Chicago, IL, USA. (Presentation)
  • Koutchma, T. (2013). "Non-thermal and non-chemical UV Purification Achieves Better Safety and Quality of Food and Drink Ingredients.", World of Food Ingredients.
  • Koutchma, T. and Barnes, G. (2013). "Shelf Life Enhancement of Milk Products.", published in Food Technology.

2012

  • Koutchma, T. (2012). "Gaps in emerging food processing technologies Second International Food Safety Working Group Workshop – Advances and Trends.", CIGR, Valencia, Spain, July 2-5, 2012. (Presentation)
  • Koutchma, T. (2012). "UV Technologies for Food Processing.", CIFST, Niagara Falls, Canada, May 2012. (Presentation)
  • Koutchma, T. and Orlowska, M. (2012). "Ultraviolet Light for Processing Fruits and Fruit Products.", in Rodrigues, S. and Fernandes, F.A.N. (eds.) - Advances in Fruit Processing Technologies, CRC Press Taylor & Francis, Boca Raton, FL, USA, Chapter 1, pp. 2-27.
  • Orlowska, M., Koutchma, T., Defelice, C., Kostrzynska, M., Bezanson, G.S., and Tang, J. (2012). "Application of the prototype Taylor-Couette UV reactor for the processing of opaque juices.", Canadian Institute of Food Science and Technology 50th National Conference (CIFST), Niagara Falls, ON, Canada, May 27 – 29, 2012, (Poster).
  • Zhu, Y., Koutchma, T., and Zhou, T. (2012). "Kinetics of Patulin Degradation in Model Solution, Apple Cider and Apple Juice by Ultraviolet Light.", CoFE, VA, USA, April, 2012. (Presentation)

2011

  • Koutchma, T. (2011). "Merging food processing technologies in the age of global food safety: Approaches and Updates in Research, Regulations and Validation.", 1st International CIGR Workshop on Food Safety, Agrosup, Dijon, France, April 14-15, 2011.
  • Koutchma, T. (2011). "Ultraviolet Light as Control Measure in Food Processing.", Nonthermal Processing Division Workshop, Osnabrück, Germany, October 11-14, 2011.
  • Koutchma, T., Orlowska, M., and Defelice, C. (2011). "Theoretical and Experimental Approaches to Improve Performance of UV systems for Liquid Foods and Beverages.", 6th International CIGR Technical Symposium. Toward a Sustainable Food Chain. Food Process, Bioprocessing and Food Quality Management. Section VI, Nantes, France, April 18-20, 2011.
  • Koutchma, T., Orlowska, M., and Defelice, C. (2011). "Ultraviolet Light for Safety of Fluid Foods and Beverages.", 2nd North American Conference on Ozone, Ultraviolet & Advanced Oxidation Technologies, Toronto, ON, Canada, September 18-20, 2011.
  • Rodríguez-Gonzále, O., Buckow, R., Koutchma, T., and Balasubramaniam, V.M. (2011). "Energy efficiency of selected nonthermal food processes for preserving apple juice.", Nonthermal Processing Division Workshop, Osnabrück, Germany, October 11-14, 2011.
  • Zhu, Y., Fan, W., Koutchma, T., Zhou, T., and Warriner, K. (2011). "Degradation of patulin in model solution and apple juice by ultraviolet radiation.", FSFN, December 6, 2011. (Presentation)

2010

  • Hiremath, N., Deschênes, L., Zareifard, M.R., Ramaswamy, H.S., and Koutchma, T. (2010). "Review on adhesion and biofilm formation under continuous flow conditions in food processing.", 2010 Canadian Institute of Food Science & Technology (CIFST) and AAFC Conference, Fairmont Winnipeg Hotel, Winnipeg, MB, Canada, May 30-June 1, 2010. (Abstract)
  • Koutchma, T. (2010). "Challenges of UV light processing of low UVT foods and beverages.", Proceedings of SPIE - The International Society for Optical Engineering, 7789(Article No. 7789OH).
  • Koutchma, T. (2010). "Ultraviolet light for safety of fluid foods: challenges and solutions.", 2010 Canadian Institute of Food Science & Technology (CIFST) and AAFC Conference, Fairmont Winnipeg Hotel, Winnipeg, MB, Canada, May 30-June 1, 2010, # 09-2. (Abstract)

2009

  • Koutchma, T. (2009). "Traditional and High-Technology approaches to microbial safety in foods.", in Heredia, N.L., Wesley, I.V., and Garcia, J.S. (eds.) - Microbiologically Safe Foods for the 21st Century, John Wiley & Sons, Ltd, Chapter 23.
  • Koutchma, T. and Yakovlev, V. (2009). "Computer modeling and simulation of microwave heating process for food preservation.", in Farid, M.M. (ed.) - Mathematical Analysis of Food Processing. Series: Contemporary Food Engineering, CRC Press Taylor & Francis, Boca Raton, FL, USA.
  • Koutchma, T., Forney, L.J., Moraru, C.I., and Sun, D.-W. (2009). Ultraviolet Light in Food Technology: Principles and Applications., Taylor & Francis. (Book)
  • Ye, Z. and Koutchma, T. (2009). "Mathematical Modeling and Design of Ultraviolet Light Process for Liquid Foods and Beverages.", in Farid, M.M. (ed.) - Mathematical Analysis of Food Processing. Series: Contemporary Food Engineering, CRC Press Taylor & Francis, Boca Raton, FL, USA.