The Best Way to Store Your Beans

When it comes to store your coffee beans, we have heard some tricks and one of them is the freezer trick, and we’ve seen some airtight containers for sale, but what does the experts really have in their heads about this? What’s the best way to preserve the coffee beans flavour?

After consulting with coffee experts, eventually the most recommended methods are blessedly simple. Experts absolutely recommend whole over ground coffee, and not just for snobs.

“Whole-bean coffee in ambient oxygen will begin to present stale flavors in about 10-14 days, while ground coffee will begin to present stale character in about 24 hours,” told Spencer Turer, a quality expert at Coffee Enterprises, a coffee analysis and consulting and firm. Because ground coffee’s surface area is more exposed to oxygen than the coffee beans. So, oxidation would begin within just hours after grinding.

“Coffee people get a little bit obsessed and a little bit boring when telling people to grind coffee, but it’s just so significant,” says Peter Giuliano, chief research officer at the Specialty Coffee Association.

Here’s a starting tip: Buy the coffee you only need for a week. It’s best not to stock a whole lot. Think about lettuce or cream cheese, coffee beans are perishable. We don’t often think about it this way, but coffee is a seasonal crop! It grows only certain times of the year in some regions. For instance, Northern Hemisphere growing areas could be entering their harvest period. So check when a coffee was roasted, and if you’re drinking single-origin coffee, consider looking further into the harvest seasons for regions that you like.How you store it won’t matter that significant if you’re looking for older coffee.

organic coffee beans

That’s because soon after a coffee bean is roasted, it’s de-gassing, a process that leaks aroma and flavor. Carbon dioxide is a by-product of roasting, so much so that a bean will inflate about 20 percent during the process. At about two weeks after roasting, the beans begin to leak out CO2, which carries with it compounds that make coffee taste good because it has less acidity and more sweetness to it.

Here’s another tip: If they came in a foil-lined bag with one of those one-way valves on it, lucky you! You don’t have to think about other ways to store it.The valve’s purpose isn’t so you can smell the beans; it’s to let CO2 out (lest the bag puff up like a balloon) and to block oxygen from entering the bag.

“Most often, the bag that coffee comes in is the best solution,” says Sam Sabori, national quality control and roasting manager for Intelligentsia Coffee. “The bags are designed to store coffee, so putting it in anything else is an inferior storage device.” Expect coffee to stay fresh in one of those sealed, foil-lined, Ziploc-top valve bags for about six to nine months, according to Turer. Even lower-quality valved bags will do an okay job for at least three months, longer than most people will keep a bag of coffee around anyway.

If your coffee came in another type of package, maybe a paper one or a bulk bag from the supermarket, you’ll want to transfer it to an airtight, opaque canister. Careful to keep that jar clean, though. “Coffee has oils in it and those oils can get rancid,” Giuliano says. “If the oils from the coffee get into the inside of the coffee storage container, they will over time make your coffee vessel smell like rancid coffee smell. That’s another advantage to the foil bag—you only use it once.”

coffee storage

Resist the urge to refrigerate or freeze your coffee beans. They’re surprisingly absorbent and will soak up moisture and aromas from the Korean takeout or leftover pizza in your fridge. Freezing beans can slow the staling process if you’re not going to use the coffee for weeks or months, but Giuliano cautions against keeping your everyday coffee in there.

“Some people grab onto the idea of putting it in a freezer as a way to optimize coffee flavor but really there’s other things that you can do that have a much bigger impact,” Giuliano says. “Brew with hot enough water (195-205 degrees) to extract all the flavors, and grind your coffee fresh.”

If you’re not ready to buy a V60 or start measuring beans with a digital scale, that’s more than fine. It turns out that the lazy method of storing coffee—leaving it in its bag, putting it in the pantry—is the best ways to preserve its flavors.

A good rule of thumb from Sam Sabori: “Treat your coffee like bread.” Keep it out of direct sunlight; keep it relatively cool and dry; don’t refrigerate it. It’s that easy.

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