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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:



Pet owners might turn to nutraceuticals that may support relief in some Osteoarthritis (OA) symptoms. One such nutraceutical is chondroitin sulfate. Explore new scientific developments happening at Eurofins in Des Moines, IA for quantifying chondroitin sulfate in complex matrices like pet food and treats.


(HPTLC) has established itself as the preferred analytical tool for identification of botanical samples. As with any analytical method, validating the HPTLC method is crucial to ensure that it produces reliable, accurate, and reproducible results. In this article, we will explore the process of HPTLC method validation, why it is necessary, and the critical parameters to consider.


Discover how increasing tariffs on agricultural commodities may heighten the risk of food fraud within global supply chains and explore key strategies to safeguard product integrity.


Advanced analytical methods play a crucial role in identifying emerging contaminants, unexpected adulterants, food contact material migrants, and other unanticipated chemicals that may compromise regulatory compliance and consumer safety for dietary supplements. Read our white paper to learn about suspect screening and non-target analysis workflows.


As winter melts away and the promise of spring invites renewal, it's the perfect time to think about new beginnings, especially when it comes to nurturing our bodies. Join us as we embark on a journey exploring plants that promote women’s health and well-being.


Eurofins Central Analytical Laboratories, Inc., a leading provider of analytical testing services, proudly announces that it has been re-certified as an approved testing laboratory by the International Olive Council (IOC) for the 2024 season. This recognition further solidifies our commitment to maintaining the highest standards in olive oil chemistry testing.


HPTLC is a popular method for botanical identification. Click the image below to open a video and learn the basics of HPTLC and how it can benefit your products.


This blog explores botanical fraud, differences between fraud and adulteration, and the use of mitigation plans to prevent fraudulent ingredients and products. Learn about the common types of fraud and steps to take to ensure safe and accurately labeled products.


The Food and Drug Administration (FDA) monitors drug manufacturers' compliance with its current Good Manufacturing Practice (cGMP) regulations in order to ensure the quality of drug products. These regulations are designed to assure products are safe for use and contain the ingredients, strengths, and efficacies of claims made by the product. Learn what tests your OTC products need to be compliant.


Phytochemicals are chemicals derived from plants used to test the purity, composition, adulteration, and potency of botanical products. Discover how plant chemistry shapes and motivates botanical product authentication.


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