Mustard (condiment) glucosinolates in mustard plant varieties, and the different isothiocyanates that are produced, make different flavors and intensities. Prepared mustard condiment may also have ingredients giving salty, sour (vinegar), and sweet flavors. Turmeric is often added to commercially prepared mustards, mainly to give them a yellow color. Prepared mustard is sold in glass jars, plastic bottles, or metal squeeze tubes. Because of its antibacterial properties, mustard does not require refrigeration for safety; it will not grow mold, mildew, or harmful bacteria. Mustard can last indefinitely without becoming inedible or harmful, though it may dry out, lose flavor, or brown from oxidation.
Low-temperature cooking Low-temperature cooking Low-temperature cooking is a cooking technique using temperatures in the range of about for a prolonged time to cook food. Low-temperature cooking methods include sous vide cooking, slow cooking using a slow cooker, cooking in a normal oven which has a minimal setting of about , and using a combi steamer providing exact temperature control. The traditional cooking pit also cooks food at low temperature. Cooking food by a low-temperature method does not necessarily imply that the "internal" temperature of the food is lower than by traditional cooking. Low-temperature cooking has been used for a long time; evidence