| Enzyme treated GNS | Degree of crystallinity |
| Untreated GNS | 37.4 |
| Alkali treated GNS | 40.0 |
| AO | 54.0 |
| TH | 55.2 |
| PS | 49.2 |
| AO+PS | 49.7 |
| AO+TH | 51.0 |
| PS+TH | 49.1 |
| AO+PS+TH | 51.3 |