How Caviar Is Processed

This month’s Processing column continues with the “How is it processed?” theme, focusing on caviar. Caviar comes from the Persian word khaviar, which means “egg carrier.” Traditional caviar is the roe from wild sturgeon raised in the Caspian Sea and the Black Sea and has historically been called “black gold”; it is harvested from beluga, osetra, and sevruga sturgeon. Many countries include roe from other species of sturgeon, as well as other fish, such as salmon, trout, steelhead, carp, and whit…