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

Table 5

Antioxidant activity using the β-carotene bleaching method of CPHs with different DH at a sample concentration of 2.0 mg/mL^a.

NH1-CPH		Alcalase-CPH
DH (%)	Antioxidant activity (%)	DH (%)	Antioxidant activity (%)
UCMP	1.43 ± 0.01	UCMP	1.43 ± 0.01
3.6	16.50 ± 2.65	5.6	26.50 ± 1.22
5.5	31.50 ± 1.61	7.6	41.50 ± 1.47
7.2	44.50 ± 1.30	8.7	54.50 ± 1.60
9.1	56.50 ± 2.31	9.6	61.50 ± 1.66
11.1	67.50 ± 1.68	10.8	64.50 ± 1.47
12.9	72.00 ± 1.42	11.6	67.50 ± 1.68
14.5	72.20 ± 1.01	12.3	69.50 ± 1.10
15.0	72.60 ± 0.65	12.5	70.90 ± 0.98

^aMean ± SD from triplicate determinations.