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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:



Our webinar hosted by Dr. Neal Craft, Chief Scientific Officer of Eurofins, explores the world of natural pigments, testing methods, and unique matrix challenges.


During this webinar, Tim Lombardo of Eurofins Food Assurance discussed the differences between food security, food safety, food fraud, and food defense. He provided a short history of FSMA and reviewed regulations for food defense and intentional adulteration protection.


In response to the rapidly developing, low-calorie sweetener market, Eurofins developed and validated a new HPLC analytical method for allulose determination. Learn more from Eurofins Botanicals, Director of R&D, Dr. Hong You.


This scientific poster demonstrates the importance of appropriate HPLC columns when analyzing Vitamin C in serums.


Steam volatile oil is an important property of spices. The volatile components present in spices contribute to the aroma and flavor of the spice. This paper describes a fast, accurate, and simple technique for analysis of spices using Fourier Transform Near Infrared (FT-NIR) technology.


This study seeks to develop and validate a method for identifying and quantifying four bioactive forms of vitamin B12 (adenosylcobalamin, cyanocobalamin, hydroxocobalamin, and methylcobalamin) from dietary ingredients and supplements, as a consensus quality control protocol for dietary supplement labeling and manufacturing.


Pathogen detection in foods and environmental samples is a critical element in a food management system. This study set out to compare the robustness of Loop Mediated Amplification (LAMP) with that of PCR as illustrated by the detection threshold of Listeria and Salmonella spiked into culture broths previously incubated with various spices.




This poster describes some of the work Eurofins has conducted on procedures to help control the quality of agave syrups.


Originally showcased at the 2016 annual AOAC meeting, this poster presents data for the “new” variety that will be valuable to anyone who buys or uses this type of fruit for processing.


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