| Local area | Hongseong | Haenam | Gyeongsan |
|---|---|---|---|
| Moisture (%) | 95.87±0.16 | 95.39±0.01 | 94.51±0.77 |
| Ash (%) | 3.7×10-3±0.7×10-3 | 5.1×10-3±0.3×10-3 | 7.6×10-3±5.1×10-3 |
| Hardness (N/cm) | 11.76±1.34 - 15.6±4.39 | 12.85±1.7 - 18.95±3.47 | 13.34±0.39 - 22.7±0.79 |