| Lot | Properties of Freeze-dried powder | ||
|---|---|---|---|
| Appearance | Moisture (%) | Survival rate (%) | |
| Lot P1.11.5.21 | Whitish powder, easy to grind into fine particles, low moisture absorbing | 1.38 | 75.3 |
| Lot P2.14.5.21 | Whitish powder, easy to grind into fine particles, low moisture absorbing | 1.37 | 47.9 |
| Lot P3.17.5.21 | Whitish powder, easy to grind into fine particles, low moisture absorbing | 1.45 | 76.3 |