refrigerants for perishables

[odza]

discuss on the selection for an appropriate refigerants for specific applications for perishables. Thank you in anticipation

[NoNickName]

All refrigerants (except ammonia) are harmless to perishables. Actually most of fluorinated refrigerants are harmless at breathing concentration up to 5000ppm.
CO2 is more and more used, also thanks to the extreme freezing capability.