The traditional methods for reducing microorganisms on produce are washing with water, cleaning chemicals, or mechanical
treatment of the surface by brush or spray washers following by
rinsing with potable water (FDA 2001b). Washing fresh produce with
cold running tap water is the recommended method for reducing
indigenous microflora before consumption (FSIS 2006). However,
the efficacy of water treatment in eliminating or reducing naturally
occurring pathogenic microorganisms on fresh produce is limited