<p>If the coffee is, (ground or not) sealed directly after roasting, the coffee will still gas out, releasing CO2 as a result from the roasting process wich leads to inflated bags. On many coffee bags, especially from "smaller" roasters there is a little valve integrated to let this excess CO2 escape rahter than blow up the bag.
This happens for up to two weeks after roasting, the most of it shortly after.</p>

<p>It is rather a sign of freshness, but that depends on where you got your coffee so I can only speculate if it is fresh and that that is the cause ;-)</p>

CC BY-SA 4.0
2020-05-13T08:32:01.063Z
2020-05-13T08:32:01.063Z
Horst
<p>If an unopened bag of ground coffee is very inflated, does it indicate a problem with the coffee?</p>

<quality><packaging>
Is an inflated bag of coffee a problem?
Ginny Rendall
# Is an inflated bag of coffee a problem?

(Asked by: username_0 on 2020-05-11)

If an unopened bag of ground coffee is very inflated, does it indicate a problem with the coffee?

**Tags:** quality, packaging


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## 1 answers

### Answer by username_1 on 2020-05-13. Score: 4

If the coffee is, (ground or not) sealed directly after roasting, the coffee will still gas out, releasing CO2 as a result from the roasting process wich leads to inflated bags. On many coffee bags, especially from "smaller" roasters there is a little valve integrated to let this excess CO2 escape rahter than blow up the bag.
This happens for up to two weeks after roasting, the most of it shortly after.

It is rather a sign of freshness, but that depends on where you got your coffee so I can only speculate if it is fresh and that that is the cause ;-)


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