A study of the effect of preserving methods on human milk

Human Milk as Technology and Technologies of Human Milk: Medical Imaginings in the Early Twentieth-Century United States

“…The process used dry ice to freeze milk in small volumes (474-76). Emerson successfully conducted feeding tests with milk preserved by this method and recruited scientists to conduct laboratory analyses demonstrating the superior ability of freezing over drying to maintain vitamin content (Emerson 1933;Eddy and Morris 1934). By September 1935, Borden had patented this technique (Platt 1933).…”