Effect of water and sodium carbonate swelling on the texture properties and water distribution of dried Abalone rugosa muscle

Figures (2) Tables (4)

Figure 1.
Effect of water and alkali swelling on the pH of dried Abalone muscle. Each value represents the mean ± SD, n = 3. Different superscripts in the same column indicate significant differences (p < 0.05).
Figure 2.
Effect of water and alkali swelling on the swelling rate of dried Abalone muscle. Each value represents the mean ± SD, n = 3. Different superscripts in the same column indicate significant differences (p < 0.05).

Swelling method	Centrifugal loss (%)	Cooking loss (%)
Water swelling	5.15 ± 0.38^b	12.26 ± 0.42^b
Alkali swelling	7.29 ± 0.03^a	15.30 ± 0.88^a
Each value represents the mean ± SD, n = 3. Different superscripts in the same column indicate significant differences (p < 0.05).

Table 1.

Effect of water and alkali swelling on the centrifugal loss and cooking loss of dried Abalone muscle.

Swelling method	Hardness (N)	Springiness	Cohesiveness	Chewiness (N.mm)	Shear force (N)
Water swelling	69.23 ± 0.22^b	0.926 ± 0.005^a	0.830 ± 0.018^b	51.83 ± 0.44^d	32.40 ± 0.34^a
Alkali swelling	78.82 ± 0.35^a	0.902 ± 0.008^b	0.886 ± 0.022^a	64.81 ± 0.25^a	35.31 ± 0.21^b
Each value represents the mean ± SD, n = 3. Different superscripts in the same column indicate significant differences (p < 0.05).

Table 2.

Effect of water and alkali swelling on the texture properties and shear force of dried Abalone muscle.

Color	Water swelling	Alkali swelling
L*	60.67 ± 0.36^b	69.47 ± 0.43^a
a*	1.25 ± 0.34^b	3.17 ± 0.18^a
b*	19.41 ± 0.34^b	21.37 ± 0.23^a
Each value represents the mean ± SD, n = 3. Different superscripts in the same column indicate significant differences (p < 0.05).

Table 3.

Effect of water and alkali swelling on the color of dried Abalone muscle.

Swelling method	Initial relaxation time (ms)			Peak ratio (%)
Swelling method	T_2b	T₂₁	T₂₂	P_2b	P₂₁	P₂₂
Water swelling	1.65 ± 0.17^a	57.23 ± 3.63^b	627.00 ± 54.09^b	0.93 ± 0.09^a	80.03 ± 1.07^a	19.22 ± 0.78^b
Alkali swelling	1.73 ± 0.13^a	97.92 ± 5.27^a	907.86 ± 51.20^a	0.95 ± 0.08^a	75.65 ± 1.33^b	24.21 ± 0.90^a
Each value represents the mean ± SD, n = 3. Different superscripts in the same column indicate significant differences (p < 0.05).

Table 4.

Effect of water and alkali swelling on the initial relaxation time (ms) and peak ratio (%) of dried Abalone muscle.