BREWNO #001 / coffee science
Freshly roasted. still degassing.
Published 2026-09-29
The fact
Freshly roasted coffee releases carbon dioxide formed during roasting.
A little more on that
Heat-driven reactions during roasting produce gas, much of it carbon dioxide. The porous bean retains some of this gas, which is gradually released during storage. This release is called degassing.
More where that came from.
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