
So you bought your fresh-roasted coffee beans at a local store or online for your brewed coffee at home. You want to know about the expiration date and you only see a “roast date” label on the coffee bag. Well, coffee is categorized as a shelf-stable product, which means, in most cases, does not go “off” that it’s spoiled. However, you should be aware that there are chemical reactions after roasting (Nicoli M, Calligaris S & Manzocco L. 2009). These reactions and physical changes are responsible for coffee staling which increases over time (faster if improperly stored) and affects the flavor or quality of your coffee. Check degassing guide here. Also, “roast date” is an indicator of coffee freshness. Coffee enthusiasts use this to know where the optimum period to get the most flavorsome of coffee.
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