Science: Powdered Foods

"Why ship them water?" demanded a group of foodmen convened last week in Chicago. Their point: the U.S. shipped some 150,000 tons of water to Great Britain last year, still more tons to Iceland, the Philippines and other U.S. outposts. These torrential statistics represent the non-nutritive water content—75 to 95%—of fruits and vegetables.

The National Dehydrators Association believes that their small industry (1941 turnover: $12,000,000) is going to beanstalk like the frozen foods industry, which in 1942 will quick-freeze an estimated $90,000,000 worth of food—180 times its volume only ten years back. Pointing to the 114 dehydrating plants built by the Nazis...