Dating food items
It is commonly found on perishable foods such as meat, poultry, eggs and dairy products.
Retailers are forbidden to sell baby formula past the “sell by date.” In Pennsylvania retailers are also not allowed to sell fluid milk past the “sell by date.” Occasionally, canned goods and boxed goods will display an “open” or calendar date.
They are not required by regulations, but manufacturers print them on most product labels.
The bar codes reveal such specific information as the manufacturer’s name, product name and size of product. The codes do not contain any manufacture or expiration dates and are not used to identify recalled products.
Canned food retains its safety and nutritional value well beyond two years, but it may have some variation in quality, such as a change of color and texture.These items are often referred to as non-perishable for these reasons.Their shelf life is evaluated in terms of the quality of the product.Some manufacturers stamp the date the product was manufactured or packaged.Some use a product code that is not able to be deciphered.