Open dating on food products
See the accompanying refrigerator charts for storage times of dated products. If product has a "sell-by" date or no date, cook or freeze the product according to the times on the chart below.
Foods can develop an off odor, flavor or appearance due to a spoilage by bacteria.
A "Best if Used By (or Before)" date is recommended for best flavor or quality. A "Use-By" date is the last date recommended for the use of the product while at peak quality.If a food has developed such characteristics, you should not use it for quality reasons.If foods are mishandled, however, foodborne bacteria can grow and – if pathogens are present, cause foodborne illness before or after the date on the package.For best quality, use eggs within 3 to 5 weeks of the date you purchase them. does not have a uniform system of coding expiration dates on food products as of 2010, according to the U. The USDA notes that while closed codes could refer to manufacturing date, the codes are not intended for consumer use and no single translation source exists. The codes, which might resemble a number like “2061” or “0195,” are usually stamped on the top or bottom of a can.The "sell-by" date will usually expire during that length of time, but the eggs are perfectly safe to use. Manufacturers vary in listing the year or month first and some add numbers to the code that are not related to the date.