| Added lentinan (μg/mL) | Determinedlentinan (μg/mL) | Recovery (%) | Average recovery (%) | Average RSD (%) |
| 0 | 5.13 | 100 | 101 | 1.73 |
| 2.5 | 7.70 | 103 | ||
| 5.0 | 10.2 | 101 | ||
| 7.5 | 12.5 | 98.9 |