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 Expert  108004

Expert in Physical Chemistry of Food & Drugs

Available for your Consulting and Expert Witness Needs

Minnesota (MN)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
FOOD CHEMISTRY; FOOD DRYING. Expert is a recognized authority in the physical chemistry of the stability of dry and semi-moist systems including foods, drugs, and biologies. His major research areas deal with the effect of temperature and are properties of water with respect to the processing and storage stability of drugs and foods and the analysis of the biophysical properties of macromolecules in relation to water binding. Much of his work involves the applications and measurement of moisture sorption and diffusion within mixed systems and the influence of glass transition pnenomena.

WATER ACTIVITY. Expert is a leading expert in water activity. He has taught courses on this subject, and studies water activity as it relates to food chemistry.

MOISTURE/SORPTION PHENOMENA. Expert is one of only a few experts who work on the influence of water in the low to semimoist state on chemical, enzymatic, and microbial reactions. He employs this to solve problems in foods, drugs, cosmetics, and other industrial materials, both in manufacturing and distribution. This work is closely tied to glass-rubber transition phenomena.

FOOD SHELF LIFE TESTING. Expert is a leading expert in the design of shelf life testing procedures for foods and pharmaceuticals. He also helps clients understand the influence of process/package/distribution effects on shelf life. Expert has published over 100 papers in this area and has several personal computer programs to help clients.

FOOD & DRUG PACKAGING. Expert has primary expertise in the analysis of the package requirments for food or drugs based on moisture and oxygen transmission rates. He is a prime developer of edible films. He has personal computer programs to help model the requirements and do simulations.

FOOD & DRUG REGULATIONS; FOOD AND DRUG ADMINISTRATION REGULATION; UNITED STATES DEPARTMENT OF AGRICULTURE. Expert teaches one of the few courses in public universities on food and drug laws. He maintains current files on all food and drug cases, regulations, etc. Expert helps many clients do regulatory analyses of their products. He spent a year sabbatical with the USDA and FDA.

FOOD PROCESSING; FOOD TECHNOLOGY. Expert has basic knowledge of the principles, design, and analysis of all food technologies and is up-to-date on all new potential technologies. He maintains a database on potential new technologies for food processing. He can answer in-depth questions relating to food freezing, dehydration, food additives, gels, and colloids.


drug regulation


Food and Drug Administration regulation


food chemistry


food drying


food package


food packaging process


food process modeling


food processing


food regulation


food shelf life


food shelf life testing


food technology




thermal food processing


United States Department of Agriculture


water activity


glass transition

Expert has pioneered application of material science and glass transition to understand state changes in foods and drugs

amorphous solid

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Minneapolis, Minnesota;  Saint Paul, Minnesota;  Rochester, Minnesota;  Burnsville, Minnesota;  Saint Cloud, Minnesota;  Eden Prairie, Minnesota;  Minnetonka, Minnesota;  and Eau Claire, Wisconsin.

Often requested
with this expert:

Food Chemistry & Shelf Life
Food Packaging: Barrier Film, Food Chemistry,...
Dairy Product & Process Development: Ricotta Processing,...
Food Additives and Ingredients, Food Processing

Year   Degree   Subject   Institution  
1965   PhD   Food Science & Nutrition (Minor Chem. Engineering)   M.I.T.  
1962   BS   Food Science (Minor Physical Chemistry)   M.I.T.  

Work History:
Years   Employer   Department   Title   Responsibilities



(Undisclosed Consulting Company)




Consulting in the food legal area, physical chemistry of foods and drugs, medical foods, functional foods, and nutraceuticals (with an emphasis on water and temperature effects and packaging).

1971 to


(Undisclosed University)


Food Science and Technology




At the Expert's University, Expert is engaged in teaching and research.

1966 to 1971




Food Engineering


Associate Professor


1965 to 1966




Food Engineering




Career Accomplishments:

Expert has been a member of the Institute of Food Technologists (IFT) since 1962 and was President in 1989. He is also a member of the American Institute of Chemical Engineers (AIChE), the American Association of Pharmaceutical Scientists (AAPS), the American Association of Cereal Chemists (AACC), the American Chemical Society (ACS), the Institute of Packaging Professionals (IoPP), the American Institute of Nutrition Science, the Food Distribution Research Society, and R&D Associates (military).

Professional Appointments

Expert is Associate Editor for twelve research journals and a past president of the Institute of Food Technologists.


Expert received the IFT Appert Award, the highest award given in food science. He has also received the following commendations: the Marcel Loncin Research Award (IFT), the DFISA Food Engineering Award, the Babcock Hart Nutrition Award (IFT), the Creuss Teaching Award (IFT), the S.C. Prescott Research Award (IFT) and the Minnesota Morse Alumni Distinguished Teaching Award. Additionally, Expert was elected an IFT Fellow.

Medical/Professional Internships

Expert has experience with the U.S. Food and Drug Administration.

Publications and Patents Summary

Expert has 240 refereed publications, 100 general publications, 73 book chapters and 16 books. His most recent books were on the topics of moisture sorption phenomena and functional foods.

Selected Publications and Publishers  
 - AACC/Eagan Press  
 - Aspen Press  
 - The Sloan Foundation Food Retail Industry Research Center  
 - in Food Science and Nutrition  
 - Lebensmittlen Wiss und Tech  

Government Experience:
Years   Agency   Role   Description
1973 to 1974   FDA and USDA, Regulatory Compliance Office   Inspectors Assistant   In this 2-month position, Expert learned to integrate law with regulatory compliance.

Consulting Services:
Selected Consulting Examples:
  • Expert has consulted on the design of shelf life tests.
  • He has given a short courses on food laws and regulations.
  • He has also delivered short courses on functional foods, shelf life testing, water management in foods, drugs and biologics.
  • Expert has served as a consultant to the U.S. Federal Trade Commission on food cases, the USDA, the US Military Natick Laboratories and the Saudi Arabian Food Regulatory Agency.
  • Expert has consulted for most of the major food corporations in the US, EU and Japan.
Recent Client Requests:
  • Expert in MVTR in Packaging for consulting on Water Vapor Transmission Over Time.
  • Food Product moisture barrier expert for consulting on Moisture barrier for hydroscopic Animal foodstuff.
  • Expert on FDA regulations relating to non-drug topical and transferal patches.
  • Expert in moisture migration for consulting on moisture migration and moisture control.
  • Expert in food plant design for consulting on food plant rationalization and design.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Expert has appeared as an expert witness in many patent infringement cases.
Recent Litigation Client Requests:
  • Expert in patent cases to evaluate a number of patents and the prior art with regard to the determination of whether a seal for individually wrapped cheese is "hermetic".
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
1974 to   France   Expert has spent sabbaticals at the University of Montpellier.
1988 to   Saudi Arabia   Expert consults with the government and teaches a short course on shelf life.
to   Morocco   Expert has acted as a consultant on a number of occasions at Hassan II University.
to   Australia   He has given general short courses for food technologists as well as delivering in-house training.
to   Belgium   He has done consulting and offered short courses and consulting to the Belgian bakery industry on various occasions.

Additional Skills and Services:
Supplier and Vendor Location and Selection

Expert has experience locating vendors of food ingredients and time/temperature sensors.


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