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Umami and the foods of classical antiquity^1,2,3

¹ From the Department of Classics, University of Georgia, Athens, GA.

² Presented at the "100th Anniversary Symposium of Umami Discovery: The Roles of Glutamate in Taste, Gastrointestinal Function, Metabolism, and Physiology," held in Tokyo, Japan, September 10–13, 2008.

³ Address correspondence to RI Curtis, Department of Classics, Park Hall, University of Georgia, Athens, GA 30602-6203. E-mail: ricurtis{at}uga.edu.

Umami is the taste of foods that are rich in glutamic acid and 2 ribonucleotides, 5'-inosinate and 5'-guanylate. This distinctive taste of modern Eastern cuisine, which is finding a receptive audience in the Western hemisphere, characterized many dishes that ancient Romans consumed >2000 y ago. Romans enjoyed numerous foods that are identified today as containing significant amounts of natural umami substances and frequently used fish sauce as a condiment in their recipes. Fish sauce imparted to Roman dishes a moderately salty, slightly fishy taste that combines synergistically with other foods to create the umami flavor. Fish sauce derives from the hydrolysis of fish in the presence of salt primarily through endogenous enzymic proteolysis. Its simple production process, low cost, and ability to enhance the taste of many foods has made it the basic condiment for traditional dishes consumed in many Southeast Asian countries. Fish sauce also has important nutritional value, primarily in the form of amino acids. Because ancient Romans made fish sauce in the same way and with the same resources as modern fish sauce producers of Southeast Asia, the amino acid profiles of the 2 products are probably nearly identical. Archaeological sources indicate that fish-processing centers operated throughout the Mediterranean area, and processed fish was an important element in long-distance trade. A close study of the remains of the Roman city of Pompeii indicates that fish sauce was a thriving business that rendered the popular condiment accessible to people of all social classes.

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