UC Davis Food Science & Technology

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John M. Krochta

Professor and Engineer

(530)752-2164

Degree

Ph. D. University of California, Berkeley, 1971

Research

Professor Krochta researches edible films and coatings, primarily from whey protein. The more basic aspects of his research are the effects of whey protein molecular structure and film composition on film formation, barrier properties, mechanical properties, color and gloss. The more applied aspects of his research involve formation of whey protein films as coatings on nuts to reduce oxidation, on chocolate to provide gloss, on high-moisture foods to inhibit microbial growth, on dried foods and cereals to reduce damage, and on paper and plastic to improve their barrier properties.

Selected Publications

  • Dangaran, K. L., J. Renner-Nantz and J. M. Krochta.  2006. Whey Protein-Sucrose Coating Gloss and Integrity Stabilization by Crystallization Inhibitors.  J. Food Science.  71(3): E152-157.

  • Lin, S.-Y. and J. M. Krochta.  2006.  Fluidized-Bed System for Whey Protein Film-Coating on Peanuts.  J. Food Process Engineering.  29(2006): 532-546.

  • Min, S. and J. M. Krochta.  2007.  Ascorbic acid-containing whey protein film coatings for control of oxidation.  J. Ag. & Food Chem.  55(8):2964-2969.

  • Sothornvit, R., C. W. Olson, T. H. McHugh, J. M. Krochta.  2007.  Tensile properties of compression-molded whey protein sheets.  J. Food Engineering.  78(2007): 855-860.

  • Min, S., T. R. Rumsey and J. M. Krochta.  2008.  Diffusion of the antimicrobial lysozyme from a whey protein coating on smoked salmon.  J. Food Engineering.  84(2008):39-47.

  • Hernandez-Izquierdo, V. M.,  D. S. Reid, T. H. McHugh, J. De J. Berrios and J. M. Krochta.  2008.  Thermal transitions and extrusion of glycerol-plasticized whey protein mixtures.  J. Food Science. 73(4): E169-E175.

  • Pallas-Brindle, L. and J. M. Krochta.  2008.  Physical properties of whey protein-hydroxypropylmethylcellulose blend edible films.  J. Food Science. 73(9):E446-454.

Awards and Honors

  • G. Malcolm Trout Visiting Lecturer and Scholar, Michigan State University, 1997

  • Peter J. Shields Endowed Chair in Dairy Food Science, 1998-present

  • Associated Students of University of California, Davis, Teaching Award, 2003

  • Food Science Students of University of California, Davis, Teaching Award, 2004

  • UC Davis Food Science and Technology Outstanding Department Citizen Award (The Clara Award) 2007

  • Fellow of the Institute of Food Technologists, 2008

  • Reister-Davis Award for Lifetime Achievements in Food Packaging, 2008

Extension of Knowledge Activities 

  • FST 50 - Introduction to Food Preservation
  • FST 131 - Food Packaging
  • EBS 231 - Mass Transfer in Food and Biological Systems

For more information on Dr. Krochta, see his curriculum vitae.