Liha töötlemine
L. monocytogenes, as well as of APC and of hydrolyzed hair and residual dehairing
48 Chapter 3
chemicals (SS and hydrogen peroxide) of carcasses are the first interventions after
released by the dehairing process from hide removal, applied for removal of visible
coming in contact with dehided carcasses. soil from external surfaces of carcasses.
Concerns with chemical dehairing include Such treatments include knife-trimming and
the corrosiveness and hazardous potential of steam-vacuuming. Both spot-carcass inter-
the sulfides and their potential effect on the ventions are approved by FSIS for use in
skin and mucus membranes of workers meat processing in order to achieve zero tol-
(Edwards and Fung 2006). Moreover, recy- erance of visible contamination on carcasses.
cling systems are needed to treat and recover However, given that such interventions are