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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 also 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.  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
  • 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 and over 180 invited presentations, his scientific research and outreach interests focus on improving the microbiological quality and safety of foods.  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, former 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:



Do your products need a nutritional label?  Do you ever find yourself facing confusion around nutritional labeling requirements?  Let us help with those questions!  Listen to our informational webinar presented by Mollie Hammerschmidt, Analytical Services Manager, Eurofins Nutrition Analysis Center. She answers the most common questions and pain points we receive, from customers just like you, with nutrition labeling requests.


How often does infant formula require testing? Keren Breiterman of Eurofins Food Chemistry Testing in Madison, WI discusses this topic in this short video. Eurofins publishes our Ask an Expert Series weekly on our social media platforms.


The dietary supplement industry has become an increasingly regulated industry since the introduction of the dietary supplement GMPs in 2007. There is still to this day an industry confusion as to the requirements needed to comply with the dietary supplement GMP requirement to use a scientifically valid method. So does this mean the method must be validated?


Rapid Analysis of In-Process Fish Oil by Quality Trait Analysis (QTA) Infrared Spectroscopy


Have a product needing a Facts Panel and not sure which one to use? This article explains the differences between food and dietary supplement labeling and what food and supplement manufacturers must include on their labels.


This blog will focus on clarifying a less familiar cousin of the well-established sugar – the sugar alcohol.


Eurofins Scientific was founded in 1987 with four employees to market a ground-breaking testing technology using Nuclear Magnetic Resonance to detect whether sugar had been added during the winemaking process to increase alcohol content. In the following years, the patented SNIF-NMR® technology was used to verify the origin and purity of several types of food and beverages and identify sophisticated fraud not detectable by other methods.


Clinical studies suggested that glucosamine has the potential to be used to relieve joint pain causing by Osteoarthritis and Rheumatoid Arthritis. We offer several methods for the characterization and quantification of glucosamine in dietary supplements and ingredients. The selection of the testing technique is dependent on the sample matrix, formulation, and the method used when establishing product specifications. Read through this article to learn more about the use of glucosamine in supplements and the options for testing methods.


In this article get answers to some frequently asked questions about sterol testing. Learn how the method is run, what matrices it is suitable for, and more.


Eurofins Craft Technologies Offers Vitamin K-1 & K-2 Testing to Support Trending Immunity Foods & Supplements.


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