Anti-Microbial Rinse/Flush for Foods, Food Prep Surfaces, Medical Catheters and Tubing, and Other Surfaces (RFT-559)

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Invention Summary

Scientists at NDSU have developed an antimicrobial water-based rinse that contains active amounts of either ethyl acetoacetate (EAA) or beta-phenylethylamine (PEA), and which can be used to reduce microbial contamination on many surfaces.

Food applications

  • Food / produce rinse or spray to slow spoilage and increase shelf life
  • Food / produce rinse to reduce the numbers and transfer of pathogens
  • Flush food processing equipment and tubing
  • Wash for food preparation and handling surfaces

Medical applications

  • Liquid flush for catheters, tubes, and other devices that remain in contact with patients for an extended period of time.
  • Wash for many surfaces in common areas of clinics, hospitals, labs, nursing homes, etc. 


  • Kills planktonic bacteria
  • Kills biofilms, including mature biofilms that have formed on surfaces
  • Provides an alternative liquid disinfectant that could be used instead of, in combination with, or in a rotation with other antimicrobials, to improve effectiveness and slow the rate of microbial resistance
  • Potential to be integrated directly into polyurethane and other materials, to create materials that kill microbes on contact


This technology is patent pending in the U.S. and is available for licensing/partnering opportunities.


Henry Nowak, Technology Manager


RFT, 559, RFT559

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