![]() ![]() They are then sealed with nitrogen to preserve the freshness for an extended period of time.Īpart from the expiry date, many rosters will state a roast date rather than a date somewhere in the distant future. To prolong the shelf life, the packaging process normally involves removing any oxygen from the bags. ![]() Typically the expiry date will be 12 months after the coffee has been roasted. This is often a requirement for supermarket chains, and it will give you a somewhat clear indication of the freshness of your coffee. The chemicals locked inside the coffee beans start transforming, and with each passing day, the cell structure of the coffee bean starts to fall apart, causing bitter and dull flavors to become more apparent as they become staler as time passes.Ĭoffee roasters will always put an expiry label on their coffee bean bags. How long do coffee beans last? Coffee beans start expelling carbon dioxide as soon as they are roasted, the clock is then ticking, and your coffee is slowly decaying. There’s no getting around that, and it’s going to happen. In doing so, these compounds will alter both the quality and flavor profile of your prized coffee beans. So it’s understandable that plant matter will decompose at some point as the various compounds, such as lipids, carbohydrates, and amino acids, begin to break down over time. How the coffee has been roasted and stored also plays a critical role.Ĭoffee is essentially the fruit of a plant. Ground coffee and whole bean coffee will have a big difference in how long it stays fresh. There are a handful of reasons why coffee goes bad, and there are also other factors that come into play that can cause your coffee to expire faster than it should. The truth is, all coffee, whole bean, ground, and even instant coffee will expire at some point.Ĭoffee going bad is unavoidable, but the good news is that there are ways to prolong the life of coffee that will ensure your premium single-origin coffee beans last long enough for you to enjoy them at their prime. ![]()
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