Preservation, Drink, and the Spice Trade

Long before mechanical refrigeration, ancient societies across the world developed a shared repertoire of techniques to preserve food against spoilage and seasonal scarcity. Sun-drying was used to preserve grain, fruit such as dates and figs, and fish and meat in climates with reliably dry conditions, from Egypt to the Andes. Salting drew moisture out of meat and fish, inhibiting the growth of spoilage organisms, and was practiced from Scandinavia to the Mediterranean, where the Romans produced salted fish products called salsamenta on an industrial scale, closely related to the garum industry. Fermentation, whether of dairy into cheese and yogurt, of vegetables into pickled preparations, of grain into beer, or of fish into sauces such as garum and nuoc mam, not only extended shelf life but often improved digestibility and nutritional value, while smoking, used widely wherever wood fuel was abundant, combined drying with the antimicrobial effects of wood smoke. Together, these methods allowed ancient communities to store surplus harvests, provision long journeys and military campaigns, and survive the lean months between growing seasons.