What is indicated by the "best before" date on food packaging?

The "best before" date on food packaging signifies the date until which the manufacturer guarantees that the product will maintain its best quality in terms of taste, texture, and overall performance. This does not imply that the food is unsafe to consume after this date; rather, it suggests that the product may not be at its optimal quality beyond that point. Consumers can expect the item to be fresh and of high quality until the indicated date, after which the quality may begin to diminish.

In contrast, the other options do not accurately reflect the meaning of "best before." Safety guidelines pertain to the risk of foodborne illnesses, which are generally indicated by "use by" dates for perishable items. Nutritional value can change over time, but the "best before" date specifically addresses quality rather than nutritional content. Environmental impact relates to the packaging material and its disposal, which is not indicated by the "best before" date at all.