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U.S. Department of Health and Human Services

Inventory of Effective Food Contact Substance (FCS) Notifications

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FCN No. 692

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Food Contact Substance:  Hypochlorous acid (CAS Reg. No. 7790-92-3) eletrolytically generated in dilute solution with pH control.
Notifier:  Sterilox Food Safety/Div. of PuriCore
Manufacturer:  Sterilox Food Safety/Div. of PuriCore
Intended Use:  For use as an antimicrobial agent in a solution for the re-hydrating of fresh fruits and vegetables including leafy green vegetables.
Effective Date:  05/24/2007
Limitations/Specifications:  The pH of the FCS will be controlled and kept between 6.0 and 7.3. On-site generation of the hypochlorous acid solution will occur every 24 hours. The concentration of available free chlorine will be limited to 60 ppm, and the FCS will be replaced after use if the concentration falls below 25 ppm available free chlorine. Leafy greens or other uncut fruits and vegetables will be soaked in a 20 gallon solution of the FCS in five pound loads for a minimum of five minutes and a maximum of ten minutes. The FCS solution will drain off of the fresh produce for a minimum of ten minutes before the produce is used for display or prepared for consumption.
Environmental Impact Decisions:  Environmental Decisions Site