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. 2021 Apr 9;18(8):3948. doi: 10.3390/ijerph18083948

Table 6.

Respondents’ preferences for the preparation of coffee infusion.

Preferences Respondents Preferences Respondents
n % n %
Water Used to Brewing Brewing Water Temperature
tap water from the mains water supply 971 64.7 100 °C 748 49.9
Oligocene water 78 5.2 93 °C 269 17.9
mineral water still 169 11.3 98 °C 453 30.2
filtered water 654 43.6 I don’t pay attention to it 30 2.0
The amount of coffee for 1 cup Preferred coffee brewing time
“more or less” 312 20.8 <3 min 226 15.1
acc. to the recommendations on the coffee package 85 5.7 3 min 267 17.8
1–1.5 teaspoons 360 24.0 4 min 114 7.6
2–2.5 teaspoons 455 30.3 5 min 82 5.5
3–4 teaspoons 59 3.9 6 min 30 2.0
5 teaspoons or more 14 0.9 I don’t pay attention to the brewing time 781 52.1
a measuring cup for a coffee machine, capsules 172 13.8
other 43 2.9 - - -