How long can freshly roasted coffee beans be kept after baking?
The definition of "freshly roasted coffee" adopted by the American Fine Coffee Association (SCAA) is that no matter how it is packaged, it must be brewed within 3 to 7 days of baking and immediately after grinding into powder. The exhaust process of fresh coffee beans usually takes two weeks, which is the best time to taste fresh. One month is the longest acceptable period as long as you know how to preserve coffee beans.

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The knowledge of espresso must be roasted for a few days before using beans.
There are two spelling methods for spelling beans: first bake, then mix and then bake, also known as cooked and cooked, which is a greater test for bakers; the purpose of raising the mixed beans for a few more days is to make the beans blend and have a balanced flavor; cooked beans usually take about a week; raw and mixed beans can be used in 3-4 days, because different beans are already affecting each other when baking.
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How to determine if coffee beans are fresh
Freshly roasted coffee beans will begin to exhaust (mainly carbon dioxide), and when the gas is completely exhausted, the coffee beans are no longer fresh. You can grab a handful of beans and put them in an airtight plastic bag. Squeeze out the air and tie the seal. Then put the bag in a cool place. If the bag expands every other day, it means that the beans are fresh. Others can judge coffee
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