Research efforts during the past decade indicate that ionizing radiations may be used in certain industrial processes. Unique among these processes is that of cold sterilization of foods, drugs, and pharmaceuticals. Discussion of the applicability of the various types of ionizing radiations available for such purposes and a brief discussion of the theory of the mode of action of ionizing radiations ore presented. Major problems involved in this method of processing are discussed. The results of some of the more pertinent research studies are summarized.

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Author notes

Contribution No. 183, Department of Food Technology Massachusetts Institute of Technology, Cambridge, Mass.

1Presented at the Fortieth Annual Meeting of the International Association of Milk and Food Sanitarians, Inc., Sept. 3, 1953, at Lansing, Michigan

2Sanitarian (R), U. S. Public Health Service; assigned for research and study, Dept. Food Tech., Massachusetts Institute of Technology.

3Professor of Food Technology and Head of the Department of Food Technology, Massachusetts Institute of Technology.

4Assistant Professor of Food Technology, M.I.T.

William C. Miller, Jr. was born in Chester, South Carolina, in 1917. He is a graduate of Erskine College, Due West, South Carolina, having majored in science and mathematics. He did postgraduate work in public health at the University of North Carolina.

From 1940 to 1943, Mr. Miller engaged in county health work in Columbus County, North Carolina. In 1943, he was commissioned into the United States Public Health Service and assigned to milk sanitation activities in Tennessee. In 1944–1946 he was with UNRRA and saw duty in Egypt and Greece. After serving as Milk and Food Consultant in the Chicago Regional Office of the Public Health Service from 1946 to 1949, he was assigned to the Interstate Carrier Branch, Division of Sanitation, Public Health Service, Washington, D.C., to participate in the development of the series of handbooks relating to sanitation on interstate carriers. In 1951, he became a member of the staff of the Milk and Food Branch, Public Health Service.

Currently, Mr. Miller is assigned to the Department of Food Technology, Massachusetts Institute of Technology, for study and research in food technology and in applications of ionizing radiations to foods.