expiration date – A Dash of Science

A reader asked how a food expiration date is determined. What a great question! The answer is both simple and oddly complex. Basically, we get expiration dates by storing a food and waiting to see when the quality starts to go down. That's right, just let the food sit for a long time and see… Continue reading How are food expiration dates determined?

Do spices expire?

March 1, 2013June 5, 2020 Heidi

Did you know that spices have a "best if used by" date? Some of them do. In my spice collection about half of them have a "best if used by" date. For example, the ground mustard I recently purchased is best if used by 2014. What does this "best if used by"date mean for spices?… Continue reading Do spices expire?