Research Article

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 peculiarityCMCPH

Proximate composition (g/kg, dry-matter basis)
 Ash64.568.7
 Crude protein540.0595.4
 Ether extract7.49.7
 Gross energy (MJ/kg)11.112.3
 Free gossypol (mg/kg)864.7839.2
Protein profile
 Soluble protein10.423.4
 Amino acid (74–180 Da)3.25.1
 Small peptides (180–1983 Da)1.913.4
 Proteins (1,893–21,828 Da)5.24.9
Essential amino acids (g/kg, dry-matter basis)
 Arginine63.362.8
 Histidine14.014.5
 Lysine19.820.0
 Isoleucine15.115.0
 Leucine29.629.6
 Methionine8.48.9
 Phenylalanine28.130.1
 Tryptophane14.515.0
 Threonine16.916.7
 Valine21.721.8

The data were collected from previous literatures [10, 17, 18].