ABSTRACT
Because the organic loading is so low on carcasses after chilling, the efficacy of oxidant-type chemicals at this point in the process is high. ’ese chemicals are most effective when they can directly contact bacteria without interference from organic material. Likewise, acid-based sanitizers are effective because they are able to have an extended contact time. Whether a spray or dip is used, if the chemical is applied after the chiller, no other water washes are used. ’erefore, the contact time may be hours or days. Chemicals that leave a residual may be effective in postchill dips or sprays, and they may significantly extend the shelf life of the product because of this residual; however, the U.S. Food and Drug Administration (FDA) requires that chemicals that have a “material effect” on the product after packaging, such as extending shelf life, must be added to the label as an additive (preservative). ’us, the processor would have to add the chemical to the label, and this is generally viewed in a negative light in terms of consumer acceptance.
