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Department of Food Science and NutritionCollege of Food, Agricultural and Natural Resource Sciences
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  Theodore P. Labuza, Ph.D Photo of Theodore Labuza
 

Professor
Department of Food Science and Nutrition
Address: 136A ABLMS
Phone: (612) 624-9701
Fax: (612) 625-5272
tplabuza@umn.edu
Homepage


  Research Expertise:
 
  • Water activity
  • Food stability
  • Food safety
  • Food law
  • Shelf life testing
  • Glaos Transition Phenomena
  • Shelf life dating
  • RFID tags
  • Bioterrism
  • Food labeling
  • Contaminants in food
  • Time-Temperature Integrator Tags
  Resident and Outreach Teaching:
 
  • FScN 1102 Food: Safety Risk and Technology
  • FScN 4111 Food Chemistry (Water activity and shelf life sections)
  • FScN 4312 Food Analysis (thermal analysyis sections)
  • FScN 4346 Dietary Supplements :Regulations, Biochemistry and Processing
  • FScN 4342 Properties of Water in Foods
  • FScN 8318: Current Issues (acrylamide, 2-ACBs, Teflon, food allergens, irradiation, additives, GMOs)
  • FScN 8434 Reaction Kinetics in Foods and Drugs (processing inactivation, shelf life)
  Selected Scholarship:
 

Belcourt, L. and Labuza, T.P. 2007. Effect of raffinose on sucrose recrystallization and textural changes in soft cookies. J. Food Sci. 72(1):C65-C71.

Diez-Gonzalez, F., Belina, D., Labuza, T.P., and Pal, A. 2007. Modeling the growth of Listeria monocytogenes based on the time-to-detect in culture media and frankfurters. Intl. J. Food Microbiology 113:277-283.

Uzzan, M. and Labuza, T.P. 2007. Thermal and storage stability of nutraceuticals in a milk beverage dietary supplement. J Food Science 72(3):E109-117.

Zhou, P. and Labuza, T.P. 2007. Effect of moisture content on the glass transition and protein aggregation of solid-state whey proteins and their hydrolysates. Jr. Food Biophysics 2: 2007 108-116.

Xu, S., Labuza, T.P., and Diez-Gonzalez, F. 2007. Inactivation kinetics of avirulent bacillus anthracis spores in milk with a combination of heat and hydrogen peroxide. J. Food Protection 7(6):4479-4483.

Labuza, T.P., Peng, Z., Davis, L. 2007. Whey to go: Application of whey proteins in nutrition bars J. of The World of Food Ingredients (Nov) pp.108-112

Pal, A., Diez, F., and Labuza, T.P. 2007. Shelf life dating for seafood, time for safety-based approach. Global Aquaculture Advocate March/April pp. 32-35.

Rahman, M. and Labuza, T.P. 2007. Water activity and food preservation, Chapter 20 In M. Rahman (ed.) Handbook of Food Preservation 2nd Edition. Taylor & Francis, Boca Raton, FL.

Labuza, T.P. and Altunakar, B. 2007. Water Activity Prediction and Moisture Sorption Isotherms Chapter 5 In G. Barbosa-Canovas,A. Fontana, S. Schmidt, and T.P. Labuza (eds.), Water Activity in Foods: Fundamentals and Applications. IFT Blackwell Press. Ames, Iowa. pp 109-154.

Labuza, T.P. and Altunakar, B. 2007. Diffusion and sorption kinetics of water, Chapter 9 In G. Barbosa-Canovas, A. Fontanna, S. Schmidt and T. Labuza (eds), Water Activity in Foods: Fundamentals and Applications. IFT Blackwell Press, Ames, IA, pp 215-238

Barbosa-Canovas, G., Fontana, A., Schmidt, S. and Labuza, T.P. (co-editors) 2007. Water Activity in Foods: Fundamentals and Applications. IFT Blackwell Press, Ames, IA.

 Pal, A., T.P. Labuza and F. Diez Time to detect for safety-based shelf life dating of seafood Global Aquaculture Advocate March 2007 pg 22-25

Uzzan, M. and Labuza T.P. 2007 Degradation kinetics of creatine as a function of water activity. Drug Devel and Industrial Pharm (in review)

Panda, F. and T.P. Labuza 2007 Quantification of Sucrose Crystallization in Soft Cookies by X-Ray Powder Diffractometry and Study of Crystallization Kinetics with a First Order Model Cereal Science (in review)

Peng Zhou, Xiaoming Liu and T. P. Labuza Moisture-induced aggregation of whey  proteins in a protein/buffer model system . J. Agri Food Chem (in review) 2007

Peng Zhou, Xiaoming Liu and T. P. Labuza Effects of moisture-induced whey protein aggregation on protein conformation, the state of water molecules, and the microstructure and texture of high-protein-containing matrix. J. Agri Food Chem  (in review) 2007

Sa Xu, Theodore P. Labuza, and Francisco Diez-Gonzalez. Inactivation of Bacillus anthracis Spores by a Combination of Biocides and Heating at High-Temperature Short-Time (HTST) Pasteurization Temperatures J Appl. Environ Micro. (in review) 2007

 Pal, A, Labuza, T.P. and Diez-Gonzalez. F. 2007 Comparison of Primary  Predictive Models to Study the Growth of Listeria monocytogenes at Low-Temperatures in Liquid Cultures and Selection of Fastest Growing Ribotypes in Meat and Turkey Product Slurries J. Food Microbiology (submitted)

Pal, A, Labuza, T.P. and Diez-Gonzalez. F. 2007 Modeling the Growth of Listeria monocytogenes in Refrigerated Ready-to-Eat Frankfurters – An Approach for a Safety-Based ‘Consume-by’ Date  Jr. Food Protection (submitted)

Pal, A, Labuza, T.P. and Diez-Gonzalez. F. 2007 Safety- and Quality-Based  Shelf Life Evaluation for Ready-to-Eat Sliced Uncured Turkey Breast and Cured  Ham under Probable Storage Conditions Jr. Food Microbiology (submitted)

 Pal, A, Labuza, T.P. and Diez-Gonzalez. Time-to-detect Modeling of L. monocytogenes Growth on Frankfurters with Initial Inoculum Below Standard  Detection Limit (2007) in preparation

Sa Xu, Theodore P. Labuza, and Francisco Diez-Gonzalez Inactivation Kinetics of ricin  in Milk with a Combination of Heat and Hydrogen Peroxide J. Food Protection 2007 (submitted)

Sherwin, C. and T.P. Labuza   2006 Beyond water activity and glass transition: a broad perspective on  the manner by which moisture can influence reaction rates in foods Chapter 20 in Water Properties of Food, Pharmaceutical and Biological Materials. M. Pilar  et al editors .Taylor and Francis NY (ISBN 0-8493-2993-0)

Schamberger, G. and Labuza T.P. 2006 Use of Front-Face Fluorescence for Assessing Thermal Processing of Milk  J. Food Science  72 (2):C69-74

Leinen, K. and T.P. Labuza 2006  Crystallization Inhibition of Amorphous lactose using raffinose. Journal of Zhejiang University SCIENCE B Applied Physics and Engineering Sciences  7(2) 79-83

Sa Xu, T.P.Labuza and F. Diez-Gonzales 2006 Thermal Inactivation of Bacillus anthracis Spores in Milk. Jr. Applied Environmental Microbiology  72(6) 4479-4483

T.P. Labuza, F. Diez-Contreras and D. Belina. 2005. Alternatives to Safety Based Shelf Life Dating. Food Protection Trends  25(1) 53-56

Payne-Hyman, C and T.P. Labuza 2005.  The brittle-ductile transition of an amorphous food system. Drying Tech. 23 (4):  871-886

Payne-Hyman, C. and T.P.  Labuza 2005. Correlating perceived crispness intensity to physical changes  in an amorphous snack food.  Drying Tech. 23(4):887-906

Kempf, T., Levine, L. and Labuza T.P. 2005  Wheat Flour Dough Flow Visualization During a Sheeting Process Cereal Foods World  50(6): 293-372

Roe, K and Labuza, T.P. 2005 Glass transition of Amorphous Trehalose-Sucrose systems Jr. Food Properties 8 (3): 559-574

Labuza, P.S. and Labuza, T.P. 2004. Cotton candy shelf life. J. Food Processing & Presv. 28:274-287.

Labuza, T.P., Belina, D., and Diez-Gonzalez, F. 2004. Food safety management in the cold chain via expiration dating. In Cold chain management. B. Pederson and B. Kunz (Editors) Univ. Bonn, Germany. http://www.iaph.uni-bonn.de/coldchain/

Labuza, T.P, Roe, K., Payne, C. Panda, F., Labuza, T.J., Labuza, P.S. and Krusch, L. 2004. Storage stability of dry food systems: influence of state changes during drying and storage. In Drying 2004. M. Silva and S. Rocha (Eds.) pp. 48-68 Ourograf Grafica Campinas, Brazil (ISBN # 85-904573-1-1) http://www.feq.unicamp.br/~ids2004/

Labuza, T.P. and Myers, T. 2004. Perishables and RFID Part 1. Food Production Management 127(6): 6-8, 24

Labuza, T.P. and Myers, T. 2004. Perishables and RFID Part 2. Food Production Management 127(9): 8-10, 24

Uzzan, M. and Labuza T.P. 2004. Critical issues in the R&D of soy isoflavone enriched foods and dietary supplements. J. Food Science 69(3): CRH 77-86.

Uzzan, M. and Labuza, T.P. 2004. Temperature profile within a counter current flow plate and frame heat exchanger. J. Food Science 69 (9): E433-440.

P. Taoukis and T.P. Labuza 2003 Time temperature indicators in “Novel food packaging Techniques” R. Ahvenainen Ed Woodhead Publ. Cambridge UK.

Schmidl, M.K. and Labuza, T.P. 2003 Medical Foods in Current Issues in Food Safety R. Schmidt Editor J. Wiley and Sons. NY.

T.P. Labuza and Lynn Szybist 2001 Open dating of Foods. Food and Nutrition Press Trumbul CN.

  Leadership and Service:
 
  • 2001-2003 IFT Food Research Task Force
  • 2000-03 IFT Nominations and Elections Committee
  • 2001 to present Board of Editors 8 Journals including J. Of Innovative Food Science and Technologies
  • 1973 to present Graduate Faculty of Nutrition
  • 1971 to present Graduate Faculty of Food Science
  • 2001 to present Academy of Distingushed Teachers Steering Committee
  • 2001 to present Teaching Colleagues Committee
  • 1997 to present The Retail Food Industry Center

  Awards:
 
  • 2001CHE McFarland Outstanding Teaching Award
  • 2001 One of the 2000 Outstanding Scholars of the 21st Century
  • 2000 Institute of Food Science and Technology (UK) elected Fellow
  • 2003 International Who’s Who in the World
  • ISI Most Highly Cited Scientists List for past 20 years in Agricultural and Food Science
  • Sigma Xi National Distinguished Lecturer 2003-2006
  • World Innovation Foundation- Elected Fellow 2004
  • University of Minnesota Senior Teaching Fellow 2004-2005
  • College of Human Ecology Advisory Council Award for Innovation and Mission Advancement 2005
  • IFT Reister Davis Food Packaging  Research Award 2006
  • Sigma Xi National Distinguished Lecturer Review & Selection Panel 2006-200
  • Name placed in the distinguished teachers section of the U of M Walk of Fame 2006
  • Paper with my son from JFPP on XRD of Cotton Candy put on display in the Freshman Admissions Reception  area 2nd Floor Jones Hall  U of M. 2006
  • IFT Tanner Lecturer  June 2007

Who's Who editions (note year elected shown - continues to present

  • Who's Who in Men of Science( 1980)
  • Who’s Who in America (1993)
  •  Who’s Who in Business and Finance(1994)
  • Who's Who in Frontiers of Science and Technology(1990)
  • Who’s Who in  Technology(1990)
  • Who’s Who in the Midwest (1992)
  • Who’s Who in Environmental Science (1992)
  • Who’s Who in the World(1995)
  • Who’s Who in American Educators (1996)
  • Who’s Who in American Men and Women of Science (1997)
  • Who's Who in Science and Engineering (1997)
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