Characterization and Potential Use of Cuttlefish Skin Gelatin Hydrolysates Prepared by Different Microbial Proteases

Table 3

Emulsion activity index (EAI), emulsion stability index (ESI), foam expansion (FE), and foam stability (FS) of cuttlefish skin gelatin hydrolysates at various concentrations.

	Concentration % (g/100 mL)	EAI (m^2/g)	ESI (min)	FE (%)	FS (%)
CSG	0.1	15.21±0.2^dC	53.29±0.8^aA	100.23±0.9^dC	49.6±1.2^dC
	0.5	17.22±0.2^dB	51.28±0.1^aB	103.44±0.5^eB	83.1±10.0^aB
	1	23.67±0.3^aA	49.14±0.8^aB	113.7±1.53^dA	105.3±0.32^aA
Alcalase-CSGH	0.1	58.21±1.2^bA	25.21±0.9^cA	125.1±5.1^bB	65.1±5.5^bB
	0.5	33.12±0.8^aB	18.95±0.75^bcB	125±4.7^cB	68±4.9^cB
	1	10.24±0.2^bC	14.01±0.7^dC	129.2±3.1^bA	84±4.8^bA
NH1-CSGH	0.1	48.01±2.1^cA	18.14±1.6^dA	126.4±4.7^bB	60.3±3.7^cC
	0.5	13.21±0.9^eB	17.01±1.1^cB	128±3.5^bAB	67±4.2^cB
	1	5.47±0.2^cC	19.51±0.9^bA	130±4.0^bA	74±5.9^cA
A21-CSGH	0.1	68.24±1.2^aA	16.36±2.3^eA	120±2.6^cB	69.7±1.4^aC
	0.5	22.25±1.7^cB	14.7±1.9^dB	122±3.1^dAB	74.4±1.9^bB
	1	6.26±0.33^cC	13.9±2.0^dB	125±2.5^cA	88.1±2.7^bA
A26-CSGH	0.1	50.76±4.0^cA	33.21±1.7^bA	131±2.3^aB	47.6±0.9^eC
	0.5	31.69±2.4^aB	19.46±1.9^bB	133±3.1^aAB	51±1.5^dB
	1	9.87±0.7^bC	15.94±0.4^cC	134.8±4.2^aA	59±2.3^dA

Values are given as mean ± SD from triplicate determinations.
Different letters in the same column within the same concentration indicate significant differences (𝑃<0.05).
Different capital letters in the same column within the same hydrolysate sample indicate significant differences (𝑃<0.05).