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.

  • Hong, S.I. and J.M. Krochta. 2006. Oxygen Barrier Performance of Whey Protein Coated Plastic Films as Affected by Temperature, Relative Humidity, Base Film and Protein Type. J. Food Eng. 77(2006):739-745.

  • Krochta, J.M. 2006. Food Packaging. In Handbook of Food Engineering (D.R. Heldman & D.B. Lund, eds.)  Marcel Dekker Inc., New York.

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

  • Min, S., J.M. Krochta, T.R. Rumsey. 2007. Diffusion of thiocyanate and hypothiocyanite in whey protein films incorporating lactoperoxidase system. J. Food Eng. 80(2007):1116-24.

  • 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.

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

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.