It's the age-old question: can coffee go bad? The answer, my friends, is both yes and no. Let me explain.
Coffee beans are actually seeds from a fruit, and like all seeds, they have a natural shelf life. Once the beans are roasted, they begin to lose their flavor and aroma. So technically, coffee beans never really go "bad," per se. However, they do go stale. And once coffee beans are ground, they go stale even faster.
So what does this mean for you, the coffee drinker? Well, it means that if you're buying pre-ground coffee, you're not getting the freshest possible cup of joe. That's why it's always best to buy whole beans and grind them yourself right before brewing. This way, you'll get the most flavor and aroma out of your beans.
Now, as for brewed coffee, that's a different story altogether. Once coffee has been brewed, it begins to oxidize and deteriorate pretty quickly. So while brewed coffee will never go "bad" in the same way that milk or meat can, it will start to lose its flavor after just a few hours. That's why it's always best to drink freshly brewed coffee within an hour or two of making it.
So there you have it: the great debate over whether or not coffee can go bad finally put to rest. If you have any further questions about how to keep your coffee fresh, feel free to leave them in the comments below!Brew on, friends!