Cardiologist and former medical researcher Robert Califf, M.D. has been nominated as the next commissioner of FDA by President Obama. Coming from Duke University, Califf joined FDA earlier this year as the deputy commissioner for medical products and tobacco. He would replace Stephen Ostroff, M.D., FDA’s acting commissioner since Margaret Hamburg’s departure in March. The Senate must confirm the nomination, but opposition is not anticipated.
Califf clearly has a solid background in the medical field. His nomination comes at a time when FDA is undertaking significant issues right now, as it continues to manage the Affordable Care Act, the recently passed 21st Century Cures Act, concerns in tobacco regulation, and prepares for the implementation of FSMA.
The upcoming implementation of FSMA will likely result in increased scrutiny of contaminants in food products. If the foreign matter can be identified, steps can be taken to eliminate the source of contamination and avoid future losses of product. Small foreign particles are sometimes observed in drums of bulk granular or powdered raw materials. While these foreign particles may be seen as dark specks in the product, they are often too small for standard QA/QC methods of analysis. Microanalytical techniques, however, can be used to isolate and identify the specks. This article describes a case study of dark particles in a granulated sugar sample.
Microscope Exam
Ideally, when conducting contaminant analysis, all sample manipulations take place in a cleanroom to eliminate the chance for contamination by extraneous environmental debris. This is especially important when working with small contaminant particles, which may consist of environmental debris such as metal particles, fibers and other types of dirt. If the unknown particles are identified as common environmental debris, the analyst must be certain that he or she did not introduce any debris while handling the unknown sample.
Figure 1. Granulated sugar with dark foreign particles, 13X (Click to enlarge)
The first step in the identification process involves examination of the sample under a stereomicroscope. Figure 1 is a photomicrograph of dark brown particles, less than 1 mm in size, in the sugar sample. Particles of this size must be isolated from the bulk product prior to analysis in order to correctly identify them.
Since all of the dark particles are visually similar, only a few representative particles need to be isolated. The contaminants can be isolated by removing a small glob of tacky adhesive (50 µm or smaller) from a piece of tape with the pointed tip of a fine tungsten needle. The adhesive-coated needle tip is gently touched to the surface of one of the dark particles, causing the particle to adhere to the needle, and the particle is transferred to a glass slide or other substrate for further examination.
Figure 2. Isolated dark foreign particles, 63X. (Click to enlarge)
Figure 2 is a photomicrograph of three dark particles, isolated from the sugar granulation. The dark brown particles have a smooth, shiny appearance with conchoidal (shell-shaped) fracture surfaces, and are visually consistent with glass. However, when probed with the tungsten needle, the particles are found to be brittle and fragile, and this texture is not consistent with glass. Therefore, chemical analysis is needed to identify the brown particles.
Micro-FTIR Analysis to Identify Organic Components
Most organic compounds (and some inorganic materials) can be identified by Fourier transform infrared (FTIR) spectroscopy. For the analysis of small particles, a microscope is coupled with a standard FTIR system; this method of analysis is known as micro-FTIR analysis. The micro-FTIR system passes a beam of infrared radiation through the sample and records the different frequencies at which the sample absorbs the light, producing a unique infrared spectrum, which is a chemical fingerprint of the material. By comparing the spectrum of the sample with spectra of known compounds from a reference library through an automated computer search, the sample can often be identified.
In order for the FTIR analysis to work, the sample must be transparent, or thin enough to transmit light. In the case of the particles from this case study, this is achieved by applying pressure to a ~50 µm portion of the sample until it forms a thin transparent film. This film is placed on a salt crystal for micro-FTIR analysis.
An FTIR spectrum of crystalline sugar is shown in Figure 3, and a spectrum of a brown particle is shown in Figure 4. The spectrum of the brown particle has some similarities to sugar, but there are fewer peaks, and the remaining peaks are rounded, consistent with a loss of crystallinity. The loss of crystallinity, coupled with the brown color of the particles, suggests charred sugar.
Figure 3. FTIR spectrum of granulated sugar. (Click to enlarge)
Figure 4. FTIR spectrum of a dark foreign particle. (Click to enlarge)
SEM/EDS to Identify Inorganic Compounds
The FTIR method does not provide complete information about the presence or absence of inorganic materials in the contaminant. To complete the analysis of the brown particles, scanning electron microscopy (SEM) combined with an energy dispersive X-ray spectrometer (EDS) detector is needed. Using the SEM/EDS method, two types of information are obtained: SEM provides images of the sample, and the EDS identifies the elements that are present.
Figure 5. SEM/EDS analysis of a dark foreign particle
A brown particle was mounted on a beryllium stub with a small amount of adhesive, and submitted for SEM/EDS analysis. Figure 5 includes an SEM image of the particle, and a table of EDS data. The SEM image provides some information about the composition of the particle. This image was acquired using backscattered electron mode, in which heavier elements appear lighter in color. The image displays light colored specks scattered across the surface of the particle, indicating that more than one type of material is present. The light-colored circle on the SEM image shows the area that was included in the EDS analysis (the entire particle was analyzed). Looking at the column in the table for weight percent (Wt%), the particle consists primarily of carbon and oxygen, with small amounts of chlorine and iron. Carbon and oxygen are chemical constituents of sugar, but chlorine and iron are not.
Figure 6. SEM/EDS analysis of specks on a dark foreign particle
The EDS system can also be used to focus on individual small areas on the particle. Figure 6 includes EDS data from five specific light-colored specks on the surface of the brown particle. The specks contain major amounts of iron with small amounts of chlorine, and sometimes chromium and silicon, plus contributions from carbon and oxygen from the surrounding sugar matrix. The composition of the specks indicates steel corrosion, likely from low alloy steel. The presence of chlorine suggests that a chlorinated substance was the initiator for the corrosion process.
In some cases, steel corrosion can be the sole cause of brown or dark discoloration of small particles. In the case of this brown particle, the SEM image shows that the iron-rich particles are not evenly distributed throughout the particle, but are only scattered on the surface. Charring is the most likely cause of the overall brown color of the particle.
Conclusion
When examined under the microscope, the dark particles in the sugar sample had the visual appearance of glass. However, chemical microanalysis of the particles revealed that they were not glass at all, highlighting the importance of microanalytical methods in determining the identity of the foreign matter. The brown particles were ultimately identified as charred sugar particles with scattered specks of steel corrosion (likely from low alloy steel) on the surface. This information can be used to narrow down the search for possible sources of the brown particles in the bulk sugar sample. As part of a root cause investigation, samples of dark particles from various locations in the manufacturing and packaging processes can be studied by the same techniques to look for a match.
Covered facilities must establish and implement a food safety system with a written food safety plan that includes hazard analysis, preventive controls, and the oversight and management of preventive controls (this encompasses monitoring, corrective actions and verification).
The “farm” definition has been clarified to include two types of farm operations, primary production farm and secondary activities farm. Such farms that conduct produce activities will also have to comply with the Produce Safety Rule (to be finalized at the end of October).
A more flexible supply chain program, with separate compliance dates.
Update and clarification to CGMPs.
This year’s Food Safety Consortium conference will feature first-hand perspectives from FDA and USDA on FSMA implementation and enforcement. REGISTER NOWCompliance dates range between one and three years depending on the size and type of business. Several guidance documents will be created by FDA in an effort to further help companies with compliance, including on hazard analysis and preventive controls, environmental monitoring, food allergen controls, and the validation of process controls.
The Federal Register will publish the 930-page document on September 17. In the meantime, the pre-publication version can be viewed here.
CGMPs established for the production of animal food, taking into account the diverse types of animal food facilities.
Covered facilities must establish and implement a food safety system with a written food safety plan that includes hazard analysis, preventive controls, the oversight and management of preventive controls (this encompasses monitoring, corrective actions and verification), and a recall plan.
A more flexible supply chain program, with separate compliance dates.
The “farm” definition has been clarified to include two types of farm operations, primary production farm and secondary activities farm.
Feed mills associated with farms (vertically integrated operations) are not covered.
As with the preventive controls for human food, FDA will be creating guidance documents that address CGMP requirements, hazard analysis and preventive controls, human food by-products for use as animal food, and a small-entity compliance guide.
The Federal Register will also publish this 666-page document on September 17. The pre-publication version can be viewed here.
At this year’s Food Safety Consortium Conference, the industry will have the opportunity to hear directly from FDA and USDA on what companies need to know to be FSMA compliant and how the agency will be enforcing the regulation. Michael Taylor, JD, deputy commissioner for foods and veterinary medicine at FDA, will delivery the opening plenary presentation, which will be followed by an “Ask the FDA” Q&A town hall meeting.
From sanitation and processing to testing and analysis to transportation and imports, government requirements of companies in the food industry are changing. Many companies are already prepared for the transformation that FSMA will bring. Within food testing and analysis, expectations will be higher than ever. Companies should be able to more accurately and rapidly identify contamination in order to take immediate action. What are some of the biggest concerns in testing and analysis? What changes can we expect? In a roundtable discussion with Sample6 executives, Michael Koeris, Ph.D., founder and vice president of operations, Tim Curran, CEO, and Jim Godsey, vice president of research & development, share their perspective on the hurdles that industry is facing and how innovative technology plays an important role in the future of food safety.
Key trends:
Focus in testing shifts from not just testing and recording data, but also analyzing and communicating results. Having data analysis and reporting skills will be a critical function for the next generation of food safety professionals.
Be proactive, not reactive. If you’re finding problems at the finished product level, it’s too late.
The need for stronger partnerships between industry and government, especially relating to providing industry with the tools to effectively gather and analyze data in a timely manner.
Food Safety Tech: What are the current industry challenges, especially related to advances in pathogen detection technology?
Tim Curran, CEO of Sample6
Tim Curran: When I look at food companies and food safety managers, [their jobs] have become harder to do well, instead of easier. The environment in which they’re working is more challenging, and the pressures are increasing. There’s more regulatory scrutiny, whether we talk about FSMA or the regulatory environment [in general], and there are more testing and inspection [expectations].
Second, the nature of the foods that we need make for the U.S. population (and I think it is a trend around the world): Ready-to-eat products. We’re producing products that are more convenient for families where they won’t necessarily have a cook step down the road. The kinds of foods in demand have a higher risk profile.
Third is the globalization of food supplies. Raw materials are coming in from all different directions, and there is an increasing number of shipping points. That creates more pressure, and from a food safety perspective, that is a bad thing.
“It is okay to find positives for Listeria or Salmonella in the appropriate zones that are far away from food contact surfaces. It is inconceivable to have a plant that has no actual bacterial organisms living there.” -Michael KoerisFinally, there’s social media. There’s a lot of scrutiny from the public. Information around any kind of fear or recall is rapidly disseminated.
These factors add up to higher pressure, a higher bar, and a harder job to accomplish—and the tools and methods available to keep the plant safe and food safe are not keeping pace.
Although I think food plants want to test more at the point of contamination, it’s just not possible. Unless they have a sophisticated lab, most food companies ship out samples because enrichment is required. As a result, they’re getting feedback on the safety of their plant and food in two, three, or four days, depending on where they fall as a priority to that outside lab.
Jim Godsey: With FSMA, testing is decentralizing from the larger lab, which is typically staffed with experienced personnel, to the facility where those personnel don’t exist. Having a test with a workflow that can be easily accommodated by someone with a high school education is absolutely critical for the field.
Michael Koeris, Ph.D., founder and vice president of operations
Michael Koeris: Visibility of data is generally extremely poor, because many people touch individual data points or pockets of data. The hand-off between the different groups is usually shaky, and the timeliness of delivering data to the operators has been a huge issue. This has been an opportunity for us: Our control offering is an operating system for environmental control. It’s an open system, so it accepts both our data and other people’s data, enabling visibility across an entire corporate infrastructure. Plant managers and other [users] of these systems can generate timely reports so they can see what is happening on a daily basis.
FST: In considering professional development, what skills are necessary to ensure that employees will be well equipped to address the issues discussed here?
Godsey: The role of the food safety manager becomes a much more critical and challenging role. To support that, they need better tools; they need to know with a high degree of confidence that their facility has been tested, that the testing was done at the proper times and intervals, and that the data has been analyzed in a timely manner. It’s not just assay/analysis [or] reporting results anymore; it’s the holistic review of those results and translating that [information] into whether or not the plant is safe at that point in time.
Koeris: The persona of the food safety manager is changing. They need to see themselves as the brand protection manager. If you have food safety issues, your brand is at risk. We need to empower the food safety manager at the local level to act, remediate and change processes.
Jim Godsey, vice president of research & development
There also has to be fundamental change in the industry in how results are viewed. Not all tests are created equal. It is okay to find positives for Listeria or Salmonella in the appropriate zones that are far away from food contact surfaces. It is inconceivable to have a plant that has no actual bacterial organisms living there. This is not a pharmaceutical production facility. Setting the wrong goals at the corporate level of zero positives disincentivizes operators to not look hard enough. You have to actually understand the plant and then make sure that you’re safe with regards to your control plan.
FST: How do you expect the final FSMA rules and implementation process will impact industry?
Koeris: Most of the larger food players are already doing what FSMA mandates or will mandate. The medium and smaller processors will have to adapt and change. They have to implement better standards and more standards, more surveillance, and implement more rigorous processes. The [key] is to help them do this on a tight budget.
FSMA has increased awareness of food safety across the supply chain. It is still focused on the processors, but we know it doesn’t stop there; it doesn’t stop at the distributor or the retailer. Food safety has to be throughout that supply chain.
Having an understanding and awareness of all of the challenges that exist downstream—that will [lead to] the real innovation and increase in foods safety.
In June FDA officially deemed the use of partially hydrogenated oils (PHOs) as unsafe, or technically, not generally recognized as safe (GRAS). The use of PHOs has been debated for more than a decade, and as a result of FDA’s latest ruling on PHOs, food processors must remove these ingredients from their products within three years.
From preservatives to artificial sweeteners to natural flavors, the list of ingredients that go into processed foods can be quite extensive. Consumers are becoming more vigilant about what they put into their bodies, and FSMA will give FDA the authority to act immediately in instances related to safety. Does this mean that some ingredients could be in danger? The answer is yes, according to Jim Lassiter, president and COO of Ingredient Identity. “[Ingredients] are products that you literally take inside your body, and there is nothing more personal than that,” says Lassiter. Combine this simple yet fundamental fact with consumer awareness and the entrance of FSMA, and food and beverage manufacturers may be entering a new era of scrutiny.
Food Safety Tech: From an ingredients perspective, what challenges are the industry facing?
Jim Lassiter: Implementation of FSMA. Although it’s being implemented at a slower pace than Congress desired, and I believe slower than [FDA’s] original intent, that pace is accelerating. And while the increase in challenges related to the composition and manufacturing of products will be significant, FSMA will be an overall benefit to consumer confidence.
Consumer confidence. Whether the issue is bioengineered foods or disclosure of bioengineered foods through the business of trans fats, or just the general composition and healthful nature of foods. Slowly but surely, increasing consumer awareness of food choices and diet will have a significant impact. Regardless of the type of product, this is going to be universal and will increasingly play a role in decisions that food companies make during product development.
The unknowns. We don’t know what is coming around the corner, whether it’s positive or negative. A lot of effort is being extended within the food sector to discover the next big thing—whether it’s probiotics or prebiotics; addressing product reformulation in light of the elimination of trans fat [requirement]; or something that strikes out of the blue. That is always the most challenging aspect of the ingredients industry. Foods themselves, regardless of what country you are in, are cultural in nature; they are the most personal consumer good that you can obtain. As a result, our awareness as an industry of what we do to products must bear both of those pieces in mind. We have to recognize the cultural nature of food and simultaneously recognize the personal nature of products. As a result, we won’t necessarily have insights into the great unknown or the next big thing, but at least we will have the perspective necessary to deal with any unknowns as we move forward.
FST: In the coming year, what overall effect will FSMA have on food and beverage manufacturers related to ingredients themselves?
Lassiter: From an ingredients perspective, what’s going to happen is simple and straightforward. FSMA grants FDA the broad authority to assist and act in instances where there are issues with safety. That is, however, still nebulously defined and interpreted. So, there’s potential for FDA to suddenly make a determination that an ingredient is not safe or [that it] poses some degree of safety risk. FSMA authorizes FDA to take immediate action rather than [submit] a new process notification, etc. They will also have the authority to take immediate action in the case of violations of good manufacturing practices if the perception can be tied to any aspect of safety. FSMA stands for safety; that is the hinge point on which all of this occurs.
For example, with the revised good manufacturing practice for the manufacturing of food products coming out and the full implementation of HACCP across all food categories, it’s conceivable that FDA will take immediate action on inspection deficiencies in the food manufacturing realm. I think that’s one of the big issues. I don’t want to make it sound like the boogey man is out there, but it is a very real possibility. Ingredients themselves can suddenly be identified as unsafe. I don’t see that necessarily being a very radical reaction. The potential impact is more likely to be broad, but I suspect that at some point in time, there will be an ingredient that pops up out of a FSMA ruling that will suddenly be declared to be unsafe and [consequently] removed from market.
Second, I think the implementation of HACCP across all food categories will have notable impact, initially through common regulatory action (i.e., via inspection deficiencies reports, which are very common in terms of dietary supplement manufacturer inspections). I think you’ll see those becoming increasingly common in food manufacturing operations, because of the implementation of HACCP more broadly. The first round will be more likely for increased regulatory activity in food manufacturing inspections. If that message is not received and implemented rapidly, then the extension of FSMA is that [FDA] can shut down the plant without any due process whatsoever. That looms as part of the implementation. In terms of ingredients, you’re likely to see [some] that folks may not have previously thought about [as unsafe] identified as potentially hazardous. I’m not sure in what area it will occur, but I’m fairly confident that it will happen at some point in time.
Part II of Food Safety Tech’s conversation with Jim Lassiter takes a closer look at GRAS self declarations and the areas of confusion among companies.
According to an FDA alert, the agency has submitted the final preventive controls rules for human and animal food to the Federal Register. FDA notes it can take several days from the date of submission to final publication.
“The FDA is committed to sharing information about the final rules and how food facilities can comply as soon as we are able to do so.” The agency will be providing more information on the FSMA section of its website.
Donald Bowersox, a long-time business professor at Michigan State University and one of the progenitors of modern supply chain management, once said, “The job of supply chain is clearly a senior management challenge, and it’s one that sits right alongside the other C-level jobs in the corporation. We may call it something different going forward, but basically it will remain the stewardship of moving products from the material origin points all the way through the process of conversion to the end consumers efficiently, effectively, and relevantly. That challenge is a big one and will continue to be for a long time. So I don’t see a next organizational evolution. Instead, I see the supply chain manager becoming more deeply involved in the corporate strategic initiatives and being part of the C-team management.”
Applying this approach to food safety in the supply chain has become more critical during the last few years as a result of regulatory, market and consumer pressures. At the start of this century, only 15 years ago, the food safety director rarely, if ever, interacted with the CEO. Many retailers didn’t even have such a position, or it was combined with quality control or loss prevention.
Now, not only does the top food safety manager have the ear of the CEO, he or she is engaged with all senior executives. Part of this is the result of the Food Safety Modernization Act, which holds those officers personally liable for a wide variety of preventable incidents. Likely bigger causes for the shift are the changing market and the changing consumer, which both relate directly to the company’s brand reputation. And in the food business, everything starts and stops with the supply chain.
Why? Because the supply chain is ground zero for the failures that are responsible for causing food safety problems. And the supply chain is where food safety problems are prevented. It is the choke point or series of choke points that allow or prevent spoiled and tainted product from getting to the consumer. It is also the process by which that unsaleable product is reclaimed so as to ensure it never enters the marketplace.
It is critical for the food safety manager to work closely with the merchandisers and the store operations teams, as they have the relationships with suppliers and work to ensure that standards for everything from ingredients to production are met with every shipment. But it’s even more critical for those professionals to work closely with the supply chain team to determine weak links in the system and address those pressure points before they cause real damage. Without food safety-supply chain collaboration, the risks to a company’s reputation multiply. With it, the likelihood of a food safety incident reaching consumers diminishes tremendously.
It’s becoming clearer every day—if you don’t button up your supply chain, somebody else, namely the government or the consumer, will and the results won’t be pleasant.
With publication of the first set of final rules for FDA’s Food Safety Modernization Act (FSMA) expected any day now, food safety teams are busy strategizing as to how they are going to prepare for compliance and be “FSMA-ready” on Day 1.
Across industry, it is generally agreed that being certified to a GFSI scheme is a solid foundation for FSMA compliance. In a new three-part online series, “GFSI in the Age of FSMA: How GFSI Schemes Align With and Prepare You for FSMA”, the North American leaders of the three major GFSI schemes – SQF, BRC and FSSC 22000 – will discuss the following topics:
How certification to their scheme prepares a company for FSMA compliance in terms of alignment with:
Supplier Controls
Building a food safety plan
Migrating from HACCP to HARPC
Being audit ready all the time
Environmental monitoring … human & animal food rules … and much more
What changes to the scheme have been made (or are planned) to better align with FSMA
Gaps the leaders see in FSMA that are filled by their scheme
What companies who are, or plan to be, GFSI certified should be doing now for Day 1 FSMA compliance
(left to right) John Kukoly of BRC, Jacqueline Southee of FSSC 22000, and Robert Garfield of SQFI are the featured speakers of the GFSI series.
Food company teams working in Regulatory, Food Safety & Quality Assurance, Operations, C-Suite, Legal and other related positions in companies who are – or are planning to become – certified in a GFSI scheme are encouraged to attend one, two or all three sessions.
The series is being sponsored by SafetyChain Software with media partner Food Safety Tech.
In America’s food supply chain, food is sourced globally. Since ingredients often come from multiple countries, inspection and quality control is challenging, as regulations, policies and processes differ in each country. Product management begins with the suppliers, from the fields where the foods are grown, to the pesticides and fertilizers used, to harvesting, washing, shipping, storing, and processing (manufacturers), and finally, to packaging and delivery to consumers.
Figure 1. LIMS will facilitate FSMA by providing complete traceability from farm to table, in addition to accelerating collaboration, communication and providing operational insight. (Click to enlarge)
Figure 1 shows each step of the product management process can introduce contamination due to unsafe practices or other risks. As such, test data and traceability must begin in the field and end when the final product is delivered to the consumer. The Laboratory Information Management System (LIMS) captures all information to ensure that quality data is effectively managed, communicated, and easily and quickly accessible in the event of a contamination issue. The LIMS allows producers to provide authorities with the required sampling and testing documentation to prove compliance.
U.S. consumers expect their food products to be affordable, consistent, safe and unadulterated. Consumers have seen numerous food recalls in the news, and it has shaken their confidence. The CDC estimates that about one in six Americans (or 48 million people) get sick, 128,000 are hospitalized, and approximately 3,000 die of foodborne diseases each year. Global food directives for international food initiatives include CODEX, ISO (International Standards Organization), and the Global Food Safety Initiative (GFSI).
The U.S. Government has implemented various food safety programs, from Hazard Analysis & Critical Control Points (HACCP) to FSMA in order to identify and correct potential contamination in the food supply. In fact, one of the primary focuses of FSMA is preventive action based on risk assessment.
The food landscape has changed significantly, especially over the past decade, as consumers demand year-round fresh fruits, vegetables and juices, along with more exotic foods. The fact that U.S. food is globally sourced has resulted in numerous challenges in quality assurance, shipping, traceability, labeling, storage, blending, testing, and reporting.
Use LIMS to track and manage information in a relational SQL Server LIMS database. (Click to enlarge)
For example, upon reading the labeling on an apple juice can, it is not uncommon to learn the juice has been possibly sourced from numerous countries including the United States, China, Brazil, Argentina, Chile and many other countries from the European Union. Oftentimes, labels state that ingredients may come from some of the countries listed, but it does not specify what percentage comes from each country or exactly from which country the product was sourced. Figure 2 shows how LIMS can track and manage this information in a relational SQL Server LIMS database.
A similar scenario is true for tracking hamburger meat: The meat that was used to make burgers can come from multiple ranches and hundreds of cows. Many consumers don’t understand why their food/beverage is blended in large ton batches, and producers want to reach the required final product specifications, while offering a consistent product and experience to the consumer. Blending has become commonplace in the food industry, and it makes traceability much more challenging. The same is true in blending different meats, for example regulators have found pork in products marked 100% beef, this has led to the use of molecular tests to determine if meat has been adulterated.
FSMA and Traceability
FSMA focuses on a preventive approach rather than reaction and response to foodborne outbreaks. A central focus is on traceability, involving a complete understanding of the complex food chain and conducting testing at the key control points that can introduce contamination. It is important to understand the source of all the raw ingredients that make up a final product as well as the details of where they are sourced, the CoA (Certificate of Analysis) report, other test results, and all associated documentation. These elements are especially important, because each region of the world has different approved testing methods and is challenged with different potential contaminants and processes. As a result, food manufacturers must manage a significant amount of information on all raw materials that they receive, along with the associated paperwork, which includes the CoA, confirmatory test data, and all plant, production and final product test data.
Case example. As operations scale, so does the testing. In order to manage all the testing, most laboratories turn to LIMS and laboratory automation to manage high throughput screening. A client that was performing nearly 1,000 Listeria tests per day was using an automated microbiological screening platform to complete this testing. They were struggling to hire more resources to manage and run the instrument, as the time was short and the increased sample volume was imminent. The goal was to automate testing from the nine plants that were submitting samples to the main laboratory, such that the entire process could be automated from the laboratory knowing how many samples were coming from each plant and from deploying pre-configured worklists to upload to the instruments. The instruments would then run the samples and send the result back into the LIMS. This integration alone saved more than six hours per day. In addition, the electronic data transfer was fast and error-free, and since the data was imported into the LIMS, any positives were automatically flagged in real time. This approach allows immediate action.
In addition, all data from shelf life studies and additional testing on the food product (i.e., pesticide testing, environmental testing for Listeria sp., mold, yeast, etc., formulations, and blending) can be managed in the LIMS, one centralized database.
How LIMS Supports FSMA
Over the years some manufacturers have relied on less-robust tools to manage and maintain testing data, from multiple Excel spreadsheets to paper log books. Challenges with using these tools include data corruptions, data loss, typographical errors, and accidental or malicious data changes. These systems are often costly, especially from a resource standpoint (i.e., data errors, hours spent interacting with the data for calculations, tracking samples, and manual report creation alone). In addition, creating reports for regulating authorities can be time-consuming and because there is no control over changes to the Excel sheets or logbooks, there is typically no audit trail, and because the data is not in the database, querying the data can be very difficult.
A quality LIMS will ensure that the organization is bullet-proof when it comes time for regulatory audits. It also provides a complete and secure solution to manage, track and monitor batches of product from farm to table. LIMS not only helps clients manage their regulatory compliance goals, but it also facilitates communication across the organization and provides laboratory intelligence that gives buyers insight into the best suppliers to purchase from, based on final product specification, consistency and pricing. Managers can also better understand when it is time to outsource testing based on workload data, allowing them to maximize their resources and profitably through more efficient operations. The system also accelerates communication: As soon as testing is completed, reports can be automatically emailed and alerts sent to cell phones, if any issues arise.
When dealing with perishable products, time is of the essence, LIMS save time. Table 1 lists just a few of major benefits of the LIMS in FSMA regulatory compliance.
Process/Requirement
Advantage
Sample tracking and management
Integrated barcode support (both 1D and 2D), manage all batch data, tests, from raw materials, in process testing to final packaged product testing
21 CFR Part 11
Compliance with electronic signature requirements
CoA
Easily, automatically generate the CoA report once testing is completed, validated and approved
Specification Management
Manage final product, supplier and customer specifications and pricing
Document Management
Link all paperwork to Work Order for ready access and retrieval
Full Chain of Custody
Automatically generated and linked to the order
Records data and all paperwork associated with product
All paperwork that arrived with the raw ingredients, CoA, and shipping documentation or additional test data
Records all test results
Automatic data import from instruments as well as hand entered data
Shelf-life Studies
Setup, manage and track all aspects of shelf life studies
Formulations and Blending
Manage and track as components and specifications for final product blends, and leverage predictive tools for optimal purchase options from suppliers
Audit Trail
Track actions in the system and generate a report of all audits made to any result data
CAPAs (Corrective and Preventative Actions)
Track and manage open CAPAs in the LIMS, and tie to testing results for easy management to increase customer satisfaction
Traceability back to the source (farm, country) and forward to the store that it was shipped to, with key data (lot number, ship date, etc.)
Users can view all components and associated test results, along with any notes on the final product, back to the supplier and forward to locations that offer the product to the consumer
Employee Training
Manage employee training records and view Standard Operating Procedures online to ensure access to work instruction and provide evidence for audits
Instrument Management
Manage all quality control data on the instruments used in the testing, as well as documented calibration data, maintenance, any repairs, or any issues. Users can link the PDF manual in the LIMS
Enterprise integration (ERP, SAP, SCADA, MES, SAS JMP)
Data sharing allows users with permissions access to data when they need it, so that they can quickly view and monitor information they need to perform their job. Users can also view data with integrated statistical tools to view trends that may not be readily evident
Table I
A LIMS is a critical tool to the success of food companies. It organizes and securely manages all aspects of food testing, facilitates regulatory compliance, enhances communication within the organization, and maximizes productivity. Many food producers are concerned about protecting their brand and providing a high quality, consistent, and safe product to consumers while operating efficiently and at a profit. An LIMS allows them to meet these goals.
As FSMA promises to increase the responsibility of food laboratories, companies must pave a path forward by working more closely with industry as a whole, government and non-government organizations, as well as with each other. This was the clear message relayed by Pamela Wilger , assistant director of global food safety at Cargill, at IAFP 2015.
“We consider a lab any person generating data,” said Wilger, who emphasized the “lab” is not just the room itself. Lab testing should not focus on a single narrow view (i.e., one test); companies should be efficiently applying their resources, considering both science and risk. “Non-science based testing can lead to conflicts between suppliers and customers and manufacturers and regulators, and destruction of wholesome product.”
Here’s where improvement is needed in food labs:
Disseminating best practices. “We don’t even share that [as an industry],” said Wilger. “We don’t have time to replicate the same work.”
Aligning international rules
Cooperating with national regulators, including local/regional entities.
Testing and improving compliance policies
Building consumer trust and confidence
Training/competency development. Finding the right people, and encouraging employee knowledge sharing
Being prepared for the next intentional economic adulteration
Palmer Orlandi, Ph.D., CAPT, U.S. Public Health Service Sr. Science Advisor in the Office of Foods and Veterinary Medicine at FDA, shared insights on how FSMA will affect lab responsibilities moving forward, with a focus on prevention versus reaction. The objective for lab capacity programs is to facilitate submission and acceptance of meaningful and actionable data to all regulatory agencies, he said.
Reset, expand and integrate: A need to focus on resources
Method performance and “fit for purpose”, harmonized standards
Large-scale focused surveillance activities; statistical significance, real-time evaluation of data generated
Real-time communications, bioinformatics, IT infrastructure, data-sharing platforms
Technology and innovation partnerships, including on an international basis
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