Table 2 Summary of the coffee brew parameters for the different coffee variants.
From: Ultrafast cold-brewing of coffee by picosecond-pulsed laser extraction
Short name | Coffee powder/ water [g/mL] | Coffee suspension mass concentration | Max. temperature [°C] | Contact time powder/water [min] | Other relevant process parameters |
|---|---|---|---|---|---|
Hot brew | 10/100 = 0.1 | 10% | 90 | 3 | |
Cold coffee | 10/181 = 0.055 | 5.5% | 21.0 | 1440 | |
ps-Laser | 1.65/30 = 0.055 | 5.5% | 26.0 ± 3.0 | 3 | 10 ps, 80 kHz, 125 W, 532 nm |
