Table 1.
Means and standard deviations for all physical and chemical measurements for each sample in the sensory study.
Origin | Roast | Brew Temperature | Equilibrium TDS (%) | Equilibrium PE (%) | Undiluted Brew Mass (g) | Diluted TDS (%) | Diluted Brew Mass (g) | Diluted pH | Diluted Titratable Acidity (mL NaOH) |
---|---|---|---|---|---|---|---|---|---|
ELS | Light | 92 °C | 4.30 ± 0.02 | 22.47 ± 01 | 922.57 ± 5.14 | 1.97 ± 0.05 | 1988.73 ± 45.67 | 4.88 ± 0.02 | 10.03 ± 0.45 |
22 °C | 4.01 ± 0.04 | 20.98 ± 0.2 | 934.10 ± 16.85 | 1.97 ± 0.06 | 1916.83 ± 79.55 | 4.93 ± 0.02 | 10.00 ± 0.36 | ||
4 °C | 3.78 ± 0.04 | 19.64 ± 0.2 | 886.70 ± 31.87 | 2.00 ± 0.03 | 1670.20 ± 73.52 | 4.97 ± 0.02 | 11.03 ± 0.45 | ||
Medium | 92 °C | 4.20 ± 0.06 | 21.92 ± 0.3 | 910.50 ± 33.05 | 2.04 ± 0.04 | 1252.73 ± 45.92 | 5.01 ± 0.01 | 8.40 ± 0.87 | |
22 °C | 3.90 ± 0.05 | 20.29 ± 0.3 | 924.67 ± 22.43 | 1.97 ± 0.06 | 1819.87 ± 40.58 | 5.10 ± 0.01 | 9.47 ± 0.68 | ||
4 °C | 3.81 ± 0.15 | 19.80 ± 0.75 | 914.27 ± 38.05 | 1.91 ± 0.06 | 1569.50 ± 183.58 | 5.15 ± 0.02 | 9.00 ± 0.79 | ||
Dark | 92 °C | 4.13 ± 0.07 | 21.54 ± 0.35 | 844.23 ± 13.62 | 2.00 ± 0.06 | 1762.83 ± 46.86 | 5.40 ± 0.02 | 6.20 ± 0.20 | |
22 °C | 3.74 ± 0.04 | 19.43 ± 0.2 | 859.53 ± 13.92 | 1.99 ± 0.04 | 1682.00 ± 220.19 | 5.59 ± 0.01 | 6.75 ± 0.78 | ||
4 °C | 3.50 ± 0.04 | 18.13 ± 0.2 | 803.87 ± 22.04 | 1.97 ± 0.03 | 1375.17 ± 55.30 | 5.66 ± 0.03 | 6.70 ± 0.61 | ||
ETH | Light | 92 °C | 4.45 ± 0.18 | 23.29 ± 0.9 | 978.27 ± 10.90 | 1.99 ± 0.05 | 1438.43 ± 23.16 | 4.81 ± 0.02 | 10.10 ± 0.00 |
22 °C | 4.21 ± 0.05 | 21.98 ± 0.25 | 974.63 ± 29.84 | 2.00 ± 0.07 | 2061.47 ± 79.13 | 4.87 ± 0.01 | 10.17 ± 0.91 | ||
4 °C | 4.06 ± 0.11 | 21.16 ± 0.55 | 976.67 ± 11.21 | 2.00 ± 0.08 | 1976.87 ± 79.10 | 4.91 ± 0.03 | 10.37 ± 0.57 | ||
Medium | 92 °C | 4.31 ± 0.02 | 22.52 ± 0.1 | 957.97 ± 15.63 | 2.02 ± 0.06 | 1355.56 ± 46.43 | 4.95 ± 0.01 | 9.43 ± 0.50 | |
22 °C | 4.08 ± 0.08 | 21.27 ± 0.4 | 970.47 ± 19.05 | 1.99 ± 0.06 | 1916.55 ± 5.44 | 5.04 ± 0.01 | 9.13 ± 0.71 | ||
4 °C | 3.89 ± 0.13 | 20.24 ± 0.65 | 940.57 ± 56.19 | 1.97 ± 0.01 | 1829.00 ± 133.72 | 5.07 ± 0.02 | 10.00 ± 0.35 | ||
Dark | 92 °C | 4.06 ± 0.16 | 21.16 ± 0.8 | 909.77 ± 8.45 | 2.02 ± 0.03 | 1235.03 ± 114.19 | 5.38 ± 0.06 | 6.40 ± 0.66 | |
22 °C | 3.73 ± 0.08 | 19.37 ± 0.4 | 897.20 ± 28.35 | 1.96 ± 0.04 | 1642.27 ± 75.32 | 5.52 ± 0.02 | 7.17 ± 0.32 | ||
4 °C | 3.46 ± 0.04 | 17.92 ± 0.2 | 842.63 ± 44.74 | 1.99 ± 0.01 | 1436.37 ± 81.69 | 5.60 ± 0.02 | 6.80 ± 0.30 | ||
SUM | Light | 92 °C | 4.42 ± 0.04 | 23.12 ± 0.3 | 951.43 ± 18.96 | 1.97 ± 0.01 | 2069.60 ± 46.44 | 4.94 ± 0.02 | 9.25 ± 0.21 |
22 °C | 4.23 ± 0.09 | 22.08 ± 0.45 | 965.83 ± 17.85 | 2.01 ± 0.05 | 2027.80 ± 90.72 | 5.00 ± 0.01 | 9.97 ± 0.91 | ||
4 °C | 4.00 ± 0.11 | 20.83 ± 0.55 | 916.27 ± 36.11 | 1.97 ± 0.03 | 1816.33 ± 129.27 | 5.07 ± 0.10 | 9.23 ± 0.59 | ||
Medium | 92 °C | 4.30 ± 0.03 | 22.47 ± 0.15 | 925.17 ± 10.80 | 1.97 ± 0.04 | 2014.93 ± 77.48 | 5.08 ± 0.02 | 8.67 ± 0.38 | |
22 °C | 4.11 ± 0.13 | 21.43 ± 0.65 | 938.80 ± 20.66 | 1.98 ± 0.06 | 1274.60 ± 26.91 | 5.17 ± 0.02 | 8.80 ± 0.40 | ||
4 °C | 3.78 ± 0.03 | 19.64 ± 0.15 | 892.07 ± 26.31 | 1.99 ± 0.01 | 1126.76 ± 55.05 | 5.21 ± 0.04 | 9.03 ± 0.15 | ||
Dark | 92 °C | 4.23 ± 0.06 | 22.08 ± 0.3 | 878.37 ± 31.17 | 1.98 ± 0.04 | 1846.73 ± 80.59 | 5.48 ± 0.02 | 5.60 ± 0.36 | |
22 °C | 3.83 ± 0.05 | 19.91 ± 0.25 | 867.60 ± 4.96 | 1.95 ± 0.00 | 1680.97 ± 65.24 | 5.72 ± 0.01 | 5.57 ± 0.40 | ||
4 °C | 3.58 ± 0.05 | 18.56 ± 0.25 | 816.40 ± 46.90 | 1.99 ± 0.02 | 1445.57 ± 81.41 | 5.81 ± 0.03 | 6.23 ± 0.25 |