Table 1.
The orthogonal experimental design of the brewing conditions
| Level | Crushing degrees (μm) | Tea substrates/water ratio | Brewing time (min) |
|---|---|---|---|
| 1 | 590 | 1:50 | 3 |
| 2 | 420 | 1:75 | 5 |
| 3 | 250 | 1:100 | 7 |
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