Coffee aroma contains hundreds of volatile compounds released during roasting and brewing. Smelling a cup captures roasted and caramel-like notes, while drinking adds bitter and acidic tastes that may not match the aroma.
Details and examples
A clean brewer and freshly ground beans can make the flavor closer to the appealing aroma. Too much extraction may taste bitter; too little may taste sour. Roast level, water and brewing method all change both scent and flavor.
Practical tip
If the scent is wonderful but the cup tastes harsh, change just one brewing variable at a time—grind size, brew time or coffee-to-water ratio—so you can identify the cause.
Frequently asked question
Why does coffee smell strong even when it tastes weak?
Aroma compounds can be noticeable at concentrations that do not produce an equally strong taste.
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