A poster by Thermo Scientific presented ay the 2022 IAFP Conference in August showed validation methods of the company’s SureTect Listeria monocytogenes and Listeria species PCR Assays, which led to AOAC recognition for official method of first action.
For the unpaired collaborative study, Evangelos J Vandoros, et al, compared the SureTect Listeria PCR Assays Method to the method outlined in the FDA-Bam Chapter 10. The matrix used for the study was full-fat cottage cheese with a test portion of 25g.
The researchers validated both SureTect Listeria PCR Assays (Listeria species and Listeria monocytogenes) in this study, as they follow the same method protocol and are validated for the same matrices.
Outcomes showed consolidated dLPOD data from 12 collaborators for the SureTect Listeria PCR methods and the FDA-BAM Chapter 10 reference method. The data was within confidence intervals showing that there was no significant difference between the SureTect methods and the reference method. The time to result was less than 24 hours.
Based on these findings, the SureTect Listeria monocytogenes and Listeria species PCR Assays were both granted AOAC Official Methods First Action
The validated categories for the assays include milk and dairy, fresh produce, seafood, raw meat, ready to eat/reheat and environmental,
Last week Cannabis Industry Journal, a sister publication of Food Safety Tech, published its interview with AOAC International officials about the organization’s commitment to cannabis lab testing, where it sees this area headed in the future and the launch of its food authenticity and fraud program. AOAC first entered the realm of cannabis testing a few years ago and is making strides to get further involved with “methods regarding chemical contaminants in cannabis, cannabinoids in various foods and consumables, as well as microbial organisms in cannabis,” according to the article. AOAS also recently launched a food authenticity and fraud program to develop standards and methods geared toward economically adulterated foods. Read more about AOAC’s latest development on the food front as well as its push in cannabis lab testing in the article, “Spotlight on AOAC: New Leadership, New Initiatives in Cannabis and Food”.
Today AOAC International announced its appointment of Palmer Orlandi, Jr., Ph.D. to deputy executive director and chief science officer of the organization. Orlandi is Rear Admiral and U.S. Assistant Surgeon General, and formerly the senior science officer and research director at FDA’s Office of Foods and Veterinary Medicine. He is also and on Food Safety Tech’s Editorial Advisory Board.
“We are eager to work with Dr. Orlandi to help drive the development and execution of our science strategy to capitalize on the opportunities in front of us,” said AOAC Executive Director David B. Schmidt in a press release. “He will strengthen our ability to solve public health dilemmas and make an impact in the analytical communities. With Palmer’s impressive background and extensive knowledge in global food safety, we are confident that he will help lead and advance AOAC’s mission further as we enter our next chapter.”
Orlandi’s appointment is effective next Monday, December 17. His responsibilities will include overseeing the AOAC Research Institute, standards development and proficiency testing. He will also engage in business development and strategic partnerships to advance voluntary consensus standards and international relations.
Orlandi has 20 years of experience at FDA, with his work beginning at a research lab at CFSAN. There he developed rapid and molecular detection methods for Cyclospora and Cryptosporidia and the Microsporidia (emerging food-and waterborne protozoan parasites). In 2008 he became the science coordinator in the Division of Field Science in FDA’s ORA where he oversaw collaborative analytical methods programs for ORA and the Food Emergency Response Network. In 2012 he took on the role of senior science advisor to the chief scientist officer at the Office of Food and Veterinary Medicine. He played an active role in integrating science and research efforts across the agency’s foods program, and working to align research and lab programs to regulatory field lab needs. He earned the rank of Rear Admiral and Assistant Surgeon General in 2017.
This week 3M Food Safety announced that its Molecular Detection Assay 2 test for Campylobacterreceived the Performance Tested Methods (PTM) Certificate number 111803 from the AOAC Research Institute. This designation validates 3M’s assay enrichment broth as an improvement and/or equivalent alternative to USDA FSIS and ISO reference methods for detecting Campylobacter jejuni, Campylobacter coli and Campylobacter lari, according to a 3M Food Safety press release. The assay uses Loop-Mediated Isothermal Amplification (LAMP) technology to overcome the complex instrumentation requirements of PCR tools.
“We are excited to receive this certification from the AOAC Research Institute,” said Cynthia Zook, 3M Food Safety commercialization manager. “LAMP technology continues to perform exceptionally well compared to conventional tests. We’re proud to be a part of a sea-change in the industry as we continue to innovate and create technologies like this one that are as simple, accurate, fast and reliable as possible.”
During the certification process, an independent lab tested the assay on several matrices, including whole raw chicken carcass rinses, raw poultry parts rinses, raw ground poultry rinses, raw turkey carcass sponges and breaded chicken nuggets.
This week CERTUS announced that it achieved AOAC Performance Tested certification for its rapid pathogen detection platform, the CERTUS System. The system uses SERS nanoparticle technology and real-time detection to provide users with faster results versus sending the samples to a third-party via mail.
AOAC validation gives small-to-mid size processing facilities an assurance on the reliability and efficiency of CERTUS’s in-house environmental Listeria monitoring process, according to CERTUS.. The company’s system has been certified for use on stainless steel, concrete, plastic and ceramic surfaces. The CERTUS system provides 98% accuracy by targeting organisms without destroying them and reducing the effect of substances commonly found in environmental food samples on assay results.
“We’re extremely proud and put tremendous value on achieving AOAC certification within two years of beginning our journey to help protect food production beyond a shadow of a doubt,” said CERTUS President John Coomes in a press release. “Recognition by AOAC, coupled with our robust R&D team and strong financial backing, demonstrates that we are moving quickly to bring unmatched, precise solutions to food processors across the industry.”
3M Food Safety has received the AOAC Research Institute’s Performance Tested Method Certification for its Petrifilm Rapid E.coli/Coliform Count Plate. Introduced in February, the rapid microbial test helps food and beverage processors detect the presence of E.coli and other coliform bacteria. The test can recover E.coli and distinguish it from other coliforms within 18–24 hours.
The AOAC PTM designation validated the count plate as an equivalent alternative to FDA and ISO standard references to enumerate these bacteria. The evaluation was performed by an independent lab on food and environmental surfaces that include raw and pasteurized dairy products; raw and prepared meat; poultry and seafood; fresh fruit and product; and baby food, pet food and flour.
3M Food Safety is also pursuing MicroVal validation in accordance with ISO 16140-2.
Last week, 3M Food Safety announced their 3M™ Molecular Detection Assay 2 – Cronobacter was designated by AOAC International as Performance Tested Method (Certificate #101703). The assay is compatible with their Molecular Detection System, which uses isothermal DNA amplification and bioluminescence detection to test for pathogens.
Cronobacter, a type of bacteria commonly found in powdered foods, supplements and baby formula, can survive for almost two years and exposure to an infant can be life-threatening.
“While less well known than other foodborne pathogens like Listeria or Salmonella, Cronobacter is no less dangerous – particularly because it preys on some of the most vulnerable populations,” says 3M Global Marketing Manager Carolina Riba. “It’s a point of pride for our team that the tests we’ve made for the dangerous pathogen were recognized by an organization like AOAC International.”
Using approved protocols set by the AOAC Research Institute, 3M’s testing process used an independent laboratory. They tested the assay on powdered infant formula, powdered infant cereal, lactose powder and an environmental surface.
Launched last August, the ready-to-use plate streamlines the testing process for lactic acid bacteria spoilage organisms. By assessing the bacterial levels acceptable for foods, the test can help companies extend product shelf life, reduce waste (the plates produce 66% less waste by weight and volume compared to certain agar methods), and potentially minimize recalls by allowing them to modify processing conditions or change cleaning and sanitation procedures. The test also provides accurate results in a shorter timeframe.
The AOAC Performance-Tested Method, Certificate #041701, is intended for a variety of foods (lactic acid bacteria is a concern for manufacturers of foods such as meat, fish, poultry, processed foods, produce, dairy products, dressings and sauces). Manufactured by 3M, the plate was tested on an environmental surface and a variety of food matrices as part of the validation process.
Neogen recently received approval from the AOAC Research Institute for its rapid and accurate AccuPoint Advanced ATP Sanitation Verification System.
Neogen’s AccuPoint Advanced is the first sanitation verification system to receive an AOAC approval, and this approval follows a recent study by NSF International that showed AccuPoint Advanced exceeded the performance of competitive systems.
“Each time we receive a validation from an independent third party on any of our tests, it provides further assurance to the food production and processing industry that our tests perform as expected,” said Ed Bradley, Neogen’s vice president of Food Safety. “The performance of our AccuPoint Advanced system in recent independent evaluations by AOAC and NSF is very gratifying. We developed the product with the goal of creating a new sanitation verification system that is superior to anything else on the market.”
The results in the AOAC validation report (Performance Tested MethodSM 091601) provided evidence that AccuPoint Advanced produces consistent and reliable data for evaluating sanitation program effectiveness in food processing and food services facilities.
AccuPoint Advanced is an enhanced version of its earlier AccuPoint test system. Improvements with AccuPoint Advanced include: improved sampler chemistry to produce more consistent results with even greater sensitivity; an enhanced instrument to produce even faster results (less than 20 seconds); and advanced Data Manager software to easily streamline the testing process by creating test plans and syncing important data, while keeping a permanent record of sanitation test results.
AOAC International is a globally recognized, independent forum for finding appropriate science-based solutions through the development of microbiological and chemical standards. The Applied Research Center at NSF International is a not-for-profit global research group that provides product development support to manufacturers and developers of products in the food safety, agriculture, clinical and life science markets.
Today DuPont announced that the AOAC Research Institute (AOAC-RI) approved a method extension of Performance Tested Method #100201 to include the company’s BAX System X5 PCR Assay for Salmonella detection. Introduced this past July, the PCR assay provides next-day results for most sample types following a standard enrichment protocol and approximately 3.5 hours of automated processing. The lightweight system is smaller and designed to provide more flexibility in testing.
“Many customers rely on AOAC-RI and other third-party certifications as evidence that a pathogen detection method meets a well-defined set of accuracy and sensitivity requirements,” says Morgan Wallace, DuPont Nutrition & Health senior microbiologist and validations leader for diagnostics, in a company release. “Adopting a test method that has received these certifications allows them to use the method right away, minimizing a laboratory’s requirements for expensive, time-consuming in-house validation procedures before they can begin product testing.”
The validation covers a range of food types, including meat, poultry, dairy, fruits, vegetables, bakery products, pet food and environmental samples.
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