| control of helminth contamination of raw vegetables by washing. | this study was conducted to determine the control of helminth egg contamination of raw vegetables by washing. a total of 199 unwashed and 199 washed lettuce, parsley, carrots, dill, rocket, and green-peppers, provided by a catering service in bursa, turkey, between march and june 2009, were subjected to helminth egg count under light microscopy. helminth eggs were detected in six (3.0%) unwashed samples and not in any washed samples (p<0.01). ascaris lumbricoides and toxocara spp. were detected ... | 2011 | 20569015 |