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Douglas L. Marshall

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Douglas L. Marshall, PhD, CFS

Douglas L. Marshall, PhD, CFS

Chief Scientific Officer

Dr. Marshall is Chief Scientific Officer with Eurofins Microbiology Laboratories, Inc., a division of the global life sciences company Eurofins Scientific.  He is co-founder and Director of the Food Safety Institute, LLC, an integrated consulting and analytical services company affiliated with the Eurofins network of companies.  He is Technical Director for the Refrigerated Foods Association and Microbiology Task Force Chair for the American Spice Trade Association.  His former positions include the following:

  • Associate Dean and Professor of Public Health, College of Natural and Health Sciences, University of Northern Colorado
  • Adjunct Professor with the Colorado School of Public Health and Colorado State University
  • Professor of Food Science, Nutrition, and Health Promotion at Mississippi State University
  • Assistant Professor of Food Science at Louisiana State University
  • Contributing Editor for the peer-reviewed scientific journal Food Microbiology
  • Four consecutive terms on the editorial board of the Journal of Food Protection

He is a frequent volunteer and consultant to trade associations, NIH, WHO, FAO, USDA, and other government agencies and private companies.  His research and expertise has been featured in popular press venues such as Consumer’s Reports, Fine Cooking, USA Today, Fitness, Health, Men’s Health, Chemtech, Nature Science Updates, and ASM Journal Highlights.  He is a frequently invited speaker and a prolific book chapter writer. With over 250 publications, over 300 invited presentations, and over 100 workshops delivered, his scientific research and outreach interests focus on improving the microbiological quality and safety of foods, with emphasis on meat, poultry, seafoods, and produce.  Among these was the completion of the 4 volume Handbook of Food Science, Technology, and Engineering, which he Co-Edited.  He has been the recipient of a number of awards for his scholarly efforts including the Mississippi Chemical Corporation Award of Excellence for Outstanding Work, the International Association for Food Protection Educator and Harold Barnum Industry Awards.  He is a Fellow and former member of the Board of Directors of the Institute of Food Technologists, inaugural Chair of the International Food Science Certification Commission, and former member of the Board of Directors of the American Spice Trade Association. 

On a personal note, early in his career he served as a deck hand on an Alaskan fishing vessel (well before Deadliest Catch) and prefers to spend his free time lost on a trail in the Colorado Rocky Mountains.

Below are resources from Douglas:



What are the labeling standards for gluten-free foods? Gain insights on the FDA's definition of gluten-free products and foods and how to meet voluntary labeling standards.


As exponential growth of plant-based foods continues, so does research and innovation with plant proteins. But what is the difference between proteins from plants versus animal sources? What challenges do scientists need to overcome? Learn more in the article!


Carotenoids (like beta-carotene, lutein, zeaxanthin, lycopene, and astaxanthin) are of great interest in the food, animal feed, and dietary supplement industries for a variety of reasons. However, due to many factors, their stability in product formulations can be challenging. Find out more!


When developing a new food ingredient or product does it mean to be FDA-compliant? Food grade vs. food-safe, what's the difference? And how is a product generally recognized as safe? Learn more about these FDA terms and if they apply to you.


Learn about the basic concepts of food engineering and how it contributes to the field of food science.


What tools do you have in place to prevent cross-contact of allergens in your facility? Check out our helpful and comprehensive guide to understanding and implementing a successful food allergen environmental monitoring plan.


The COVID-19 pandemic created a favorable environment for increased economically motivated adulteration of ingredients and finished products. Adulterated ingredients entering your product can result in serious risk for your company. How can you reduce your company's risk?


In this informative webinar, Eurofins SF Analytical scientists explain the considerations your company should factor in to mitigate risk and comply with applicable regulations including new analytical techniques to meet the ever-changing compendia (USP, EP, ACS, FCC/NF, JECFA, etc.)


Eurofins SFA is excited to now offer a new FD&C Dye Screen. The FDA approved nine artificial dye molecules for use in foods, drugs, and cosmetics (with some limitations), in addition to a variety of naturally sourced colorants.


Turmeric has faced authenticity issues as instances of economic-adulterations to reduce the cost. We used carbon-14 and HPLC analyses as complementary methods to verify “all-natural” label claims of commercial dietary supplements containing turmeric ingredients.


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