Food Safety Consultant, Production Supervisor
Posted 23 February 2017 - 06:49 PM
Hello everyone,
I'm looking for a way to evaluate whether a surface or packaging material might have oil residues. The food grade oil on our packaging equipment fluoresces, so I can look for large spills that way, but I'd like to be able to swab a surface or a PET preform and confirm that it is free from oil residues. Is there anything like that out there technology-wise? Looking to detect trace amounts beyond "it's oily to the touch".
Grade - MIFSQN
Posted 09 March 2017 - 04:00 PM
ATP swabbing should be sufficient, if you are speaking of animal or plant-based oils, assuming they contain protein(s). Perhaps establish a baseline positive control first by swabbing an area you know is coated in the oil, to ensure that the oil will be detected by your ATP swab system?
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Grade - AIFSQN
Posted 28 March 2017 - 09:40 PM
I'm curious about this too. What food grade oil do you use? We use petrogel, and ATP testing does not pick it up.
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