Preserving Food for the Masses

| THE LAND BETWEEN THE MARSHES | Preserving Food for the Masses ROB BOWE CONTRIBUTOR Canning is a relatively recent development in the long history of food preservation. Humans smoked, dried, salted and fermented foods long before recorded history. The actual process and preserving food by heat treatment and sealing the product in airtight containers originated in France in the 1820s.