Electrolyzed water is approved under 21 CFR 173.315 for direct contact with processed foods.
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/cfrsearch.cfm?fr=173.315Electrolyzed water is approved for several indirect food contract applications under 21 CFR 172.892
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?fr=172.89221 CFR 175.105
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/cfrsearch.cfm?fr=175.10521 CFR 176.170
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/cfrsearch.cfm?fr=176.17021 CFR 177.2800
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?fr=177.2800It is an approved sanitizer that meets 21 CFR 178.1010.
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/cfrsearch.cfm?fr=178.1010The EPA has also given approval (40 CFR 180.1054) for washing raw foods that are to be consumed without processing.
