Research Article
Optimization of Keratin Hydrolysate Extraction from Tannery Sheep Hair Waste
Table 2
Fat and ash content of raw and treated sheep hair waste.
| Trial no | 1 | 2 | 3 | Mean ± SD |
| Fat content | Before degreasing | 5.52 | 5.22 | 4.87 | 5.20 ± 0.3 | After degreasing | 3.06 | 2.87 | 2.14 | 2.69 ± 0.5 |
| Ash content | | 12.8 | 12.72 | 12.68 | 12.73 ± 0.1 | Nitrogen content | | 14.98 | 15.12 | 15.12 | 15.09 ± 0.1 |
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