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Inactivation of iron dependent bacterium using visible and near infrared light

  • US 6,030,653 A
  • Filed: 11/03/1998
  • Issued: 02/29/2000
  • Est. Priority Date: 11/03/1998
  • Status: Expired due to Fees
First Claim
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1. A process for pasteurizing an interior of a food product using nonionizing radiation, the process comprising the steps of:

  • radiating a surface of a food product with near infrared light having a wavelength capable of penetrating the surface in order to create an optical window into the food product, said optical window having a depth of at least about one centimeter from said surface; and

    radiating the food product with nonionizing visible/near infrared radiation in order to inactivate pathogens within the optical window of the food product.

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