Ultraviolet Disinfection of Produce, Liquids and Surfaces
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United States of America Patent
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Issued Date -
Mar 31, 2016
app pub date -
Apr 16, 2014
filing date -
Apr 16, 2014
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Abstract
The present invention is directed to a process of disinfecting produce, comprising the steps of associating the produce with one or more photosensitizers selected from the group consisting of gallic acid, fructose, riboflavin, sodium chlorophyllin and photo-porphyrin; and exposing the associated produce and one or more photosensitizers to UV radiation sufficient to cause the one or more photosensitizers to generate one or more free radicals. The produce may be fresh produce and may be selected from fresh vegetable and fruits. The present invention may also be used to treat waste water by adding at least one photosensitizer to waste water ant then expose the waste water to US radiation.
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