Dating evaporated milk cans
For Rock, however, this litter was as important as shards of pottery from the Paleolithic.
Each can told a story of life in nineteenth- and twentieth-century America, which some called the “Tin Can Civilization.” The technology to preserve food and other perishable products such as tobacco in tinplate containers likely was first developed in the late 1700s.
The KC brand in his collection was first introduced in 1890, though his particular can dated from the 1940s, when baking powder was a well-established part of the American pantry.Refrigerated reconstituted milk should be used within a few days.Source(s): National Dairy Council Factsheet: “Newer Knowledge of Dairy Foods--Protecting the Quality of Milk and Other Dairy Foods” Very Best (Nestle corporate website) “Commonly Asked Questions” Susan Brewer, Ph. These water-extracted milk products, commonly used for cooking and baking, are heat-sterilized and canned for a longer shelf life than regular milk.Evaporated milk (half the water content removed) and sweetened condensed milk (half of water content removed, then sweetened) have a shelf-life of about 1 year at room temperature.
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Cans came into commercial production in England in the early 1800s, but it was in the United States, a vast land with an increasingly mobile population, that the “tin” can—made first of tinplate, but in later years, often containing no tin at all—became a part of the cultural fabric.