![]() Roasted coffee beans have a low moisture level, which means they’re open to absorbing moisture from their environment (they’re hygroscopic ). The main argument centers around the idea that there is a large amount of humidity in refrigerators and freezers. ![]() The specialty coffee community has long been opposed to storing coffee in the freezer. ![]() The Arguments Against Storing Coffee Beans In The Freezer If you’d like to get a little deeper into these principles and other storage strategies, check out our Easy Guide to Coffee Bean Storage. Humid environments encourage bacterial growth and can alter the moisture level of the beans rapidly, which destroys flavor. The hotter the environment, the more quickly molecules move and break apart - and the more quickly bacteria grows.įourthly, humidity kills coffee. Whether from the sun or a lamp, light breaks down organic cell structures in what we call photodegradation. A tight seal to reduce the free flow of oxygen is always best when storing food. These things are non-negotiables when it comes to food storage of any kind, so any claim that’s made about freezer storage has to be consistent with these.įirstly, oxygen kills coffee and any other kind of food. The Unquestionable Fundamentals Of Coffee Bean Storageīefore we get too complicated, let’s quickly review what we know for certain about coffee bean storage. This one’s going to be a little more technical, but if you’re determined to brew the best coffee you possibly can, you’ll want to keep reading. There’s absolutely no question that fresh coffee is the best coffee, so that’s the ultimate goal. I want to find the facts, separate them from assumptions, and give you the knowledge you need to keep your coffee as fresh as possible for as long as possible. I want to dive deep to find the truth about storing coffee beans in the freezer. Now, new research seems to suggest freezer stored coffee has merit. Then specialty coffee came along and said it was evil. Traditionally, storing coffee in the freezer was good. The age-old coffee storage technique has experienced a lot of whiplash lately.
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