Journal of Amino Acids

Research Article

Comparative Study on Biochemical Properties and Antioxidative Activity of Cuttlefish (Sepia officinalis) Protein Hydrolysates Produced by Alcalase and Bacillus licheniformis NH1 Proteases

Table 4

Metal chelating activity of CPHs with different DH at a sample concentration of 2.0 mg/mLa.
NH1-CPHAlcalase-CPH
DH (%)Metal chelating activity (%)DH (%)Metal chelating activity (%)
UCMP1.22 ± 0.02UCMP1.22 ± 0.02
3.626.00 ± 1.325.616.00± 1.25
5.536.00 ± 2.367.621.00 ± 1.17
7.244.60 ± 1.148.727.00 ± 0.81
9.148.80 ± 0.219.637.00 ± 1.48
11.156.40 ± 1.0610.846.40 ± 1.16
12.962.00 ± 1.1311.652.00 ± 1.00
14.564.00 ± 0.8412.354.00 ± 0.65
15.065.00 ± 1.8812.555.60 ± 0.33
aMean ± SD from triplicate determinations.