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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:



Eurofins SFA is excited to offer a new IgG protein analysis that provides improved sensitivity, better accuracy, and faster turnaround time relative to ELISA or alternative techniques offered.  The analysis is performed according to AOAC 2010.01.


What really is dietary fiber according to the most recent FDA regulations? This blog will help break down the FDA’s most recent definition of fiber as well as provide examples of ingredients used in the industry today.


Dietary supplement using immune-based ingredients have significantly increased over the last few years. Learn more on which trendy ingredients are being used and how to comply with the FDA guidelines on dietary supplements and functional food products.


While many vitamins are traditionally sourced from animal products, plant-based vitamin sources are a growing trend. Learn more about this new trend and what this means in regard to testing your products.


Candies can now give you more than a sugar rush. Functional chocolates also have vitamins, minerals, and botanicals and with that means the need for suitable validated methods to verify claims. Eurofins is your partner is all challenging vitamin, mineral, and botanical testing in finished products and raw materials.


Is Front-of-Package Labeling right for you? Learn how Front-of-Package Labeling affects nutritional value and market sales, and how Eurofins can help with testing your products and generating nutritional and dietary supplement facts panels.


Food and supplement testing has been a necessary part of the safe supply chain which means so have the chemicals that go along with this and until today, there have been very few options that positively affect the environment. Supercritical Fluid Extraction with Supercritical Fluid Chromatography now offers an environmentally safer method that is also faster, as sensitive and as selective as your current methods. We present an alternative way to extract and measure vitamins.


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?


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