Cottonseed Meal Protein Hydrolysate Improves the Growth Performance of Chinese Mitten Crab (Eriocheir sinensis) by Promoting the Muscle Growth and Molting Performance
Table 1
The nutritive peculiarity of cottonseed meal (CM) and cottonseed meal protein hydrolysate (CPH).
Nutritive peculiarity
CM
CPH
Proximate composition (g/kg, dry-matter basis)
Ash
64.5
68.7
Crude protein
540.0
595.4
Ether extract
7.4
9.7
Gross energy (MJ/kg)
11.1
12.3
Free gossypol (mg/kg)
864.7
839.2
Protein profile
Soluble protein
10.4
23.4
Amino acid (74–180 Da)
3.2
5.1
Small peptides (180–1983 Da)
1.9
13.4
Proteins (1,893–21,828 Da)
5.2
4.9
Essential amino acids (g/kg, dry-matter basis)
Arginine
63.3
62.8
Histidine
14.0
14.5
Lysine
19.8
20.0
Isoleucine
15.1
15.0
Leucine
29.6
29.6
Methionine
8.4
8.9
Phenylalanine
28.1
30.1
Tryptophane
14.5
15.0
Threonine
16.9
16.7
Valine
21.7
21.8
The data were collected from previous literatures [10, 17, 18].