Discover Food Safety and Quality


Immunoassays in Food Testing

As a leader in the food and feed safety testing industry, PerkinElmer develops, manufactures, and markets a wide range of test kits for the detection of antibiotics, hormones, veterinary drug residues, natural toxins, pathogens, and a variety of industrial contaminants found within the global food chain. Our goal is to provide food producers, processors, and government agencies with high quality test kits enabling compliance with global and local regulations to produce safe food for their customers. Highlights of our food and feed safety product line include:

  • AuroFlow branded rapid lateral flow devices allowing customers to test for antibiotics in raw milk in 7 minutes or less, with little or no required equipment;
  • MaxSignal® ELISA kits, including some of the most sensitive tests on the market, and offering a broad range of solutions for any customer;
  • AOAC-approved kit for detection of histamine with as little as 15 minutes from sample to results.
  • The Solus Pathogen Detection System provides robust and highly efficient assays for the detection of Salmonella, Listeria or E. coli O157. All assays are validated by external independent laboratories to AFNOR 16140 and/or certified by the AOAC Performance Tested Method program.

With our quality management system certified to ISO 9001 standards, we strive to deliver high quality products and services in conjunction with exceptional customer service and technical support.

Immunoassays in Food Technologies

MaxSignal ELISA in Food Testing

An ELISA or Enzyme Linked Immuno-Sorbent Assay allows for the rapid screening and quantitation of analytes against a variety of materials. PerkinElmer offers a wide range of ELISA kits to measure the safety of dairy, meat, poultry, seafood, grain, feed, and honey.

ELISAs involve at least one antibody with specificity for a particular analyte or antigen and consist of the following basic protocol:

  1. Liquid sample containing the target analyte is added to a microwell that is pre-coated with analyte-specific antibodies. Any target analyte in the sample binds to the antibodies.
  2. An enzyme-linked antibody or antigen is added to the microwell, also binding to the analyte specfic antibodies coated to the microwell.
  3. A substrate is added which changes its color as it interacts with the enzymes linked to the analytes or antibodies.
  4. The color change is measured with a spectrophotometer.
  5. Quantitation of the analyte is determined by comparing the test sample results against a standard curve of known analyte concetrations.

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Solus Pathogen Detection System in Food Testing

PerkinElmer's Solus Pathogen Detection System provides highly efficient assays for the detection of Salmonella, Listeria or E. coli O157 in food and environmental samples. Each system comprises a specifically designed immunoassay kit, dedicated selective enrichment media and automated liquid handling. Our pathogen detection system is robust, reliable and all assays are validated by external independent laboratories to AFNOR 16140 and/or certified by the AOAC Performance Tested Method program.

When automated, our immunoassays deliver the capacity to maximise the use of available laboratory resources and optimise lab productivity.

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Lateral Flow in Food Testing

The lateral flow immunoassay is a convenient, rapid, strip-based technology for the detection of small molecules, including antibiotics and toxins, by harnessing the ability of purified antibodies to bind to one another in a highly specific and concerted movement along a membrane. PerkinElmer offers a range of lateral flow test strip products that can give farmers, factory workers, and scientists in numerous food industries the solutions they need to qualitatively and quantitatively confirm that the material they produce is safe for the consumer or ready for further downstream processing.

Lateral flow test strips are designed to detect specific target antibiotics or analytes in a variety of sample types with high specificity and accuracy in accordance with various regulatory agencies such as the USDA, European Union and CODEX maximum residual limits (MRL). The testing procedure can be completed in minutes with minimal opportunities for error, as PerkinElmer strives to make the end-user testing experience as friendly, efficient, and accurate as possible. Results can be interpreted visually or with a PerkinElmer Lateral Flow Reader.

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