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Effect of treatments on the biochemical properties of chitosan
| Deacetylation condition | Deacetylation degree (%) | Nitrogen content (%) | Molecular weight | ||
|---|---|---|---|---|---|
| NaOH (%) | Temp. (°C) | Time (h) | |||
| 20 | 90 | 10 | 41.8 | 6.32 | 800,000 |
| 20 | 130 | 10 | 71.2 | 6.84 | 300,000 |
| 40 | 130 | 10 | 95.1 | 7.15 | 150,000 |
| 50 | 130 | 10 | 100.0 | 7.27 | 100,000 |
| 50 | 130 | 20 | 100.0 | 7.26 | 45,000 |
