| Free
Amino acids |
Feather-keratin |
Wool-keratin |
| Day 0 |
Day 3 |
Day 3/Day 0 |
Day 0 |
Day 3 |
Day 3/Day 0 |
| Aspartic acid |
170.65 |
0.75 |
0.004 |
1.00 |
67.86 |
67.86 |
| Threonine |
101.10 |
36.77 |
0.007 |
105.88 |
8.24 |
0.08 |
| Serine |
75.27 |
27.37 |
0.36 |
26.28 |
14.01 |
0.53 |
| Glutamic acid |
288.05 |
8.81 |
0.03 |
32.95 |
18.24 |
0.55 |
| Proline |
29.29 |
18.45 |
0.63 |
8.86 |
7.38 |
0.83 |
| Glycine |
116.53 |
1.99 |
0.01 |
20.09 |
9.42 |
0.46 |
| Alanine |
169.44 |
4.03 |
0.02 |
29.93 |
12.41 |
0.41 |
| Cysteine |
8.09 |
3.23 |
0.40 |
13.09 |
3.08 |
0.23 |
| Valine |
103.64 |
13.84 |
0.13 |
18.93 |
3.32 |
0.17 |
| Methionine |
79.05 |
11.03 |
0.14 |
26.87 |
97.61 |
3.63 |
| Isoleucine |
79.44 |
7.03 |
0.09 |
11.92 |
10.69 |
0.89 |
| Leucine |
137.12 |
8.23 |
0.06 |
26.00 |
2.57 |
0.09 |
| Tyrosine |
34.12 |
249.09 |
7.30 |
34.80 |
204.73 |
5.88 |
| Phenylalanine |
78.25 |
684.07 |
8.74 |
40.57 |
305.05 |
7.51 |
| Histidine |
19.38 |
62.88 |
3.24 |
30.53 |
86.79 |
2.84 |
| Lysine |
56.85 |
32.49 |
0.57 |
10.83 |
17.26 |
1.59 |
| Arginine |
86.45 |
5.40 |
0.06 |
27.99 |
8.65 |
0.31 |
| Ammonia |
118.06 |
214.07 |
1.81 |
167.25 |
184.17 |
1.10 |
|
