date:Feb 24, 2016
Unitherm Food Systems, Bristow, Okla., received U.S. Patent No. 9,215,892 B2 for its new system and method for pasteurizing the surface of a food product. The new machine uses a flame tube to remove the skin and outer layer of an onion before passing the onions through a cold bath to cool. The pasteurized and washed product is said to retain the same color and flavor of the original product, while increasing yield and reducing the risk of contamination. The patent was filed in August 2013 and ap