Table 1.
Factors and levels of lily polysaccharide extraction
| Level | Factor | ||
| Extraction times (times) | Extraction time (h) | Extraction temperature (°C) |
|
| 1 | 1 | 1 | 50 |
| 2 | 2 | 2 | 60 |
| 3 | 3 | 4 | 70 |
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