Storing coffee is a topic that is often misunderstood. We will discuss the best ways to store your coffee beans and why the advice changes depending on factors such as the length of time you have stored them. Fresh coffee is essential, especially when we purchase expensive beans. According to the Specialty Coffee Association, freshly roasted beans within the 2–4 week window are recommended. Unroasted coffee beans can be stored in a cool and dry place for months. Roasted beans have a shelf-life of two weeks. Darker roasted beans will expire faster due to their broken cell walls.
Asking for the roasting date is very important when buying from a local roaster. Specialty-grade beans scoring 80+ on the Coffee Quality Institute scale are ideal. Avoid buying from small roasters who cannot verify the roasting date. Packaging has changed a lot over the years, and companies have perfected their packaging recipes. When buying from reputable roasters, it is important to check the “best before” date rather than the roast date.
It is important to store coffee in an airtight container. This will prevent oxygen from entering the bag or canister. There are many options available, including vacuum canisters and mason jars. It is fine to store coffee in the refrigerator or freezer for long-term storage. Cold temperatures will immobilize volatile components in the bean, preserving the good stuff which gives coffee its flavor. However, when you take coffee out of the freezer or fridge on a regular basis, the condensation will accumulate and cause the coffee to deteriorate.
To maintain the quality of your coffee beans, promptly return them to the freezer after transferring them into an airtight container. Ground coffee should be stored in airtight containers at room temperature or slightly cooler, not in the freezer. According to the Specialty Coffee Association (SCA) Golden Cup standard, brewing water should be between 90°C and 96°C (195°F–205°F). Green coffee beans can be preserved for many years in the freezer if vacuum-sealed and stored immediately. It is crucial to let green beans reach room temperature before roasting. Roasted beans should not be stored for extended periods, as they begin to degrade as soon as they are removed from the roasting process.
Proper storage is essential to preserve the flavor and freshness of coffee. Freshly roasted beans should be used within the 2–4 week window recommended by the Specialty Coffee Association. For long-term storage, use airtight containers and avoid significant temperature fluctuations.
This article originally appeared at Brew Espresso Coffee, a website dedicated to popularizing the art of making espresso beverages, according to the SCA-standard 9-bar espresso definition.