Mustard (condiment) The second element comes also from Latin "ardens", (hot, flaming). It was first attested in English in the late 13th century, though it was found as a surname a century earlier. Archeological excavations in the Indus Valley (Indian Subcontinent) have revealed that mustard was cultivated there. That civilization existed until about 1800 BC. The Romans were probably the first to experiment with the preparation of mustard as a condiment. They mixed unfermented grape juice (the must) with ground mustard seeds (called "sinapis") to make "burning must", "mustum ardens" — hence "". A recipe for mustard appears in "De re coquinaria",
Cooking then germinate and regrow after the food has cooled. This makes it unsafe to reheat cooked food more than once. Cooking increases the digestibility of many foods which are inedible or poisonous when raw. For example, raw cereal grains are hard to digest, while kidney beans are toxic when raw or improperly cooked due to the presence of phytohaemagglutinin, which is inactivated by cooking for at least ten minutes at . Food safety depends on the safe preparation, handling, and storage of food. Food spoilage bacteria proliferate in the "Danger zone" temperature range from , food therefore should not be