How to judge the freshness of coffee beans? What do fresh coffee beans look like?

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How do you know if the coffee beans are fresh?

First, judge the mode of operation of the store.

First, mark "baking date": note that the baking date is marked on the purchase bag, not the shelf life.

Second, in addition to order baking, it also provides the freedom to choose the degree of roasting: the roasted coffee begins to decay and stale. Boast order baking without letting you choose the baking degree. It is possible that a batch of baked goods is left behind and the goods are shipped slowly only when there are orders.

Judgment 2. Judging from coffee beans

Smell: fresh beans have only aroma, smell fuel consumption, it must not be fresh coffee beans.

Second, appearance: this is only applicable to deep-roasted coffee beans (aroma roasting degree medium-deep roasting). If you look at the coffee bean watch before grinding it, the foggy oil stain means that it is not fresh coffee bean. It is easy to learn to judge this. It is easy to see coffee beans with "expiration date only" on the market. Buy them and observe them. Light roasted coffee beans (equivalent to aroma roasting degree light ~ medium +) it is difficult to judge whether coffee beans are fresh or not from the surface of beans.

Third, grinding: after grinding fresh coffee beans, whether hand-washed or siphoned, it is easy to see an expanded or thicker powder layer when brewing.