Question 1

What is PCR testing and how does it work in food safety?

Accepted Answer

PCR (Polymerase Chain Reaction) testing is a molecular method that detects the DNA of harmful microorganisms in food or environmental samples. In food safety, it identifies pathogens like Listeria, Salmonella, and E. coli quickly and accurately—helping manufacturers confirm contamination before products reach consumers.

Question 2

Why is real-time PCR a reliable method for detecting foodborne pathogens?

Accepted Answer

Real-time PCR pathogen detection improves food safety testing by offering fast, accurate, and reliable identification of pathogens. It provides high sensitivity and specificity, reduces the risk of false results, and allows for the detection of pathogens in a wide range of food and environmental samples, helping ensure compliance with regulatory standards.

Question 3

Which foodborne pathogens can be detected using Hygiena’s real-time PCR kits?

Accepted Answer

Hygiena's real-time PCR kits detect critical foodborne pathogens, including Salmonella, Listeria, Escherichia coli, Shiga toxin-producing E. coli (STEC), Campylobacter spp., Norovirus, Cronobacter spp., Vibrio spp., yeasts and molds. Regular testing for these pathogens is essential for industries like dairy, meat, seafood and ready-to-eat foods to ensure compliance with food safety standards and protect consumer health.

Question 4

Can PCR testing detect and identify specific pathogen strains and serotypes?

Accepted Answer

Yes, PCR testing can detect specific pathogen strains and serotypes through carefully designed primers and probes that target unique DNA sequences. For example, our E. coli PCR assays specifically identify pathogenic strains like O157:H7 and the top 6 STEC serotypes while excluding non-pathogenic E. coli. This strain-level identification helps you:

Meet regulatory requirements that specify the detection of particular strains
Take appropriate corrective actions based on the specific pathogen identified 
Track potential contamination sources more effectively
Adjust your food safety protocols based on identified risks

The ability to distinguish between strains is particularly important when dealing with pathogens like Listeria, where only L. monocytogenes is considered a significant food safety risk, while other Listeria species serve as indicators. Each PCR assay comes with detailed documentation showing validated strain coverage and specificity data.

Question 5

Can PCR testing also detect spoilage organisms, yeast, mold, or GMOs?

Accepted Answer

Yes. In addition to pathogens, PCR technology can identify spoilage organisms, yeasts and molds, and verify GMO, animal ID, and allergen markers. These assays help food producers monitor both safety and quality, ensuring products stay compliant, authentic, and consistent across the supply chain.

Question 6

Which food matrices have been validated for Hygiena’s qPCR pathogen testing assays?

Accepted Answer

The qPCR assays are validated for a wide range of food matrices including raw and processed meat, poultry products, dairy products, ready-to-eat foods, fresh produce, environmental samples, pet food, animal feed and more. For a detailed overview see our segments in the Food & Beverage industry. The validations are certified by international bodies including AOAC, MicroVal, AFNOR, and NordVal, ensuring compliance with global standards.

Question 7

How does PCR pathogen testing help meet FSMA compliance requirements?

Accepted Answer

Hygiena's Real-time PCR pathogen testing helps food facilities comply with FSMA (Food Safety Modernization Act) by making it easier to detect and respond to potential contamination risks. This method works by identifying and measuring the DNA of harmful pathogens quickly and accurately.FSMA emphasizes preventing contamination rather than just reacting to it, and PCR testing supports this by providing reliable data to verify that your safety measures are working. The quick results mean you can take action sooner if something goes wrong, and its precision ensures confidence in your testing process. By including PCR testing in your food safety plan, you’re better equipped to meet FSMA standards and protect consumers.

Question 8

What to consider before starting real-time PCR testing?

Accepted Answer

Before starting PCR testing, think about:

What foods you're testing - different products might need specific approaches
Your lab setup - make sure you have the right equipment
Your team's training needs
Which certifications do you need to meet

PCR testing works well with various foods, including meat, dairy, processed foods, and environmental samples. Choosing a validated method that fits your needs and regulatory requirements is key. Just contact us, and our experts will help you make the right decisions for your business.

Question 9

What is the typical turnaround time for Real-Time PCR results?

Accepted Answer

Real-Time PCR typically provides results much faster than traditional culture methods that can take 4-7 days, especially for confirmatory results. Most PCR pathogen tests deliver results within 24-48 hours, depending on the target pathogen. This includes enrichment time (8-24 hours), sample preparation (30 minutes), and PCR run time (about 2 hours). For example, Salmonella testing typically requires 18-24 hours total, while Listeria testing might take up to 48 hours due to its slower growth. However, Hygiena offers qPCR testing solutions that provide results within 24 hours due to faster enrichment times.

Question 10

How do Hygiena’s qPCR methods compare to traditional culture methods?

Accepted Answer

Hygiena's qPCR tests reduce the time-to-result from 4-7 days to less than 24 hours while providing highly specific results. You'll benefit from standardized workflows that reduce hands-on time through automated processes. When considering labor costs and time savings, PCR testing is cost-effective compared to traditional methods while offering clear, objective result interpretation.

Question 11

What training and support does Hygiena provides for implementing PCR testing into our existing processes?

Accepted Answer

We support your transition to PCR testing with a comprehensive onboarding program tailored to your facility's needs. This starts with an initial site assessment and a customized implementation plan. Our support includes: 
On-site training

Hands-on instrument and software training
Method-specific workshops for your team
Sample preparation and handling procedures
Results interpretation guidance

Technical Support

24/7 technical assistance
Troubleshooting help via phone or email
Method optimization for your specific matrices
Regular check-ins during initial implementation

Documentation and Resources

Standard operating procedures (SOPs)
Quick reference guides
Method validation packages
Training certificates for your audit records

Our technical specialists remain available for ongoing support as your program develops, helping you maintain testing efficiency and reliability. We also provide refresher training and updates when new team members join or when methods are updated.

Real-Time PCR Pathogen Detection for Food Safety Testing

Why Choose Hygiena® PCR for Food Pathogen Testing?

What Is PCR Pathogen Detection in Food Safety?

Why Food & Beverage Manufacturers Trust the BAX® System?

Which Pathogen Detection Method Is Most Accurate for Food Safety Testing?

Faster Confirmation of Presumptive Positive Results

Benefits

How Does the BAX® System Work?

What Our Customers Say About Hygiena's Real-Time PCR Solutions

Bethany Ellison

Amy Spence

Pam Wilger

Contract Testing Lab

Greenham, Beef Processor

Contract Testing Lab

Global Food Testing Laboratory

Bethany Ellison

Amy Spence

Pam Wilger

Contract Testing Lab

Greenham, Beef Processor

Contract Testing Lab

Global Food Testing Laboratory

Bethany Ellison

Amy Spence

Pam Wilger

Contract Testing Lab

Greenham, Beef Processor

Contract Testing Lab

Global Food Testing Laboratory

Globally Validated PCR Solutions Recognized for Innovation

One Connected Food Safety Platform

Real-Time PCR Pathogen Detection for Food Safety Testing

PCR Testing Instruments, Kits, and Reagents for Food Safety Labs

FAQs

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