J. David Legan, PhD
Director of Science
David earned his Ph.D. in Food Technology from the University of Reading in the UK by modeling the ecology of mixed microbial populations, and then moved to Campden BRI in a variety of microbiological food safety research and client service roles. During that time, he was project lead for the Bacillus component of the UK’s pathogen modeling program. He moved again to Nabisco Research in New Jersey where he ran the corporate microbiology lab and developed a program of preservation technology development and microbial modeling. After the Kraft Foods acquisition, he moved to Chicago to work on Food Safety and Preservation research, and through modeling and validation studies:
- Optimized Oscar Mayer’s use of lactate and diacetate and their naturally cultured alternatives as Listeria-control agents in Ready to Eat meats
- Specified process conditions central to Oscar Mayer’s commercial launch of High Pressure Pasteurization of naturally cured RTE meats
David had responsibility for the Kraft cultures R&D group, developed a partnership to explore microwave sterilization leading to several patents, and led a program that developed an internal proprietary natural antimicrobial commercialized in several Kraft products. Technologies from his group supported approximately $4 billion in annual sales.
After years as a microbiology "client", he is now back in the "provider" role as Director of Science at Eurofins Microbiology Laboratories, Inc., by way of the Covance Food Solutions group based in Madison, WI, which he joined in 2016. In this role, he ensures appropriate method validation, explores new testing technologies, and fields multiple complicated food microbiology questions.
Products that his team has evaluated or developed and launched include:
- The 3M MDS platform in the Madison microbiology laboratory
- Flow cytometry for enumeration of probiotics
- Strain-level confirmation of probiotic identification using the polymerase chain reaction (PCR)
- Next-generation sequencing using the Oxford Nanopore Technologies GridION sequencing platform for microbial identification and microbiome analysis
Below are resources from David:
March 3, 2023 - Eurofins Craft Technologies Inc. is excited to announce it is the first laboratory in the world to offer an A2LA accredited option for astaxanthin ester profile. By reporting the ester profile rather than converting the astaxanthin to the free-form, there is less manipulation of the product, thereby minimizing the risk of loss and providing a more accurate result. As opposed to alternate methods, the ester profile displays an astaxanthin, profile which can be indicative of source material.
The regulations and requirements surrounding bioengineered foods are confusing, especially when navigating federal regulations and the voluntary non-GMO Project verification. This FAQ answers common questions surrounding the National Bioengineered Food Disclosure Standard, the non-GMO Project, and testing options at Eurofins.
Ethylene oxide is gaining attention in the food regulatory space. EtO was banned as a food fumigant in 1991 in the EU. While ethylene oxide is not banned for use in foods in the United States, it is important to understand the allowed tolerances in the US and EU, especially as regulations continue to evolve and online sales contribute to increasing overseas exports. This article outlines the uses and toxicity of EtO, US and EU regulations, and EtO analysis at Eurofins.
Food fraud is a widespread and worldwide problem. Watch this video to learn more about which products are most frequently impacted, and how it can impact your business.
Natural and synthetic food dyes are used in almost all industries. Understanding the potential for dye adulteration is critical to knowing how and why products are affected. Furthermore, testing with a third-party lab can lead to standardized product coloration and reliable ingredient claims. This White Paper introduces the types of food dyes, the benefits of testing, types of tests, and considerations for choosing a third-party lab.
During this webinar, Dr. Katerina Mastovska and Dr. Lukas Vaclavik will discuss the importance of third-party testing to ensure your products are safe, compliant with applicable regulations, and trustworthy for consumers! Chemical safety and authenticity of dietary supplements and ingredients used in their production are of paramount importance when it comes to the protection of consumers’ health and compliance with applicable regulatory requirements. Reliable testing performed by a qualified and experienced laboratory that covers all relevant residues and contaminant groups plays a key role in ensuring the above. Original airdate September 13, 2022.
We are pleased to present the attached method summary for multiresidue pesticide analysis. This method is in accordance with USP 561 and EP 2.8.13. Click to learn more about the pesticides covered with this method and their limits according to USP monographs.
Food fraud can result in serious public health consequences and damage to your brand's reputation. Learn about products at risk for food fraud and steps you can take to protect your company.
A new study published in JAMA Ophthalmology has found that lutein and zeaxanthin may be better alternatives to beta-carotene for supporting those inflicted with Age-Related Eye Disease (AREDS). This additional information may mean more lutein and zeaxanthin supplements on the market and more testing needed to verify suppliers.
The USDA establishes a new standard for disclosing bioengineered food. Does the mandate apply to you? Read to learn more.
