Extraction time
In the extraction timeDuring the extraction time, also known as the brewing time, the water dissolves the aromas and flavors from the coffee beans. If the throughput time is too long, the... read moreIf the extraction time is too long, the water dissolves the aromas and flavors from the coffee beans. If the throughput time is too long, over-extraction takes place and the coffee tastes unpleasantly bitter. If the extraction time is too short, under-extraction occurs and the coffee acquires a sour taste. The optimum extraction time should therefore be 25 to 30 seconds.
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