Table 1. Changes in aw during drying and physicochemical characteristics and sensory attributes of jerky processed from spent hen meats from various formulations

Parameters Control 10% Glycerol 15% Glycerol 10% Sorbitol 15% Sorbitol
Value of aw during drying
   - 0 h 0.991 ± 0.00b,1,2 0.993 ± 0.00a 0.982 ± 0.00d 0.987 ± 0.00c 0.990 ± 0.00b
   - 1 h 0.973 ± 0.02a 0.895 ± 0.01b 0.795 ± 0.01c 0.934 ± 0.04a 0.946 ± 0.01a
   - 2 h 0.881± 0.03a 0.791 ± 0.05ab 0.702 ± 0.10b 0.811 ± 0.10ab 0.808 ± 0.03b
   - 3 h 0.854 ± 0.03a 0.748 ± 0.01b 0.630 ± 0.07c 0.787 ± 0.01ab 0.759 ± 0.04b
Drying yield (%) 42.25 ± 0.81b 45.81 ± 0.91a 48.05 ± 0.47a 47.88 ± 0.76a 48.46 ± 0.85a
Moisture (% wet basis) 36.54 ± 1.58a 30.24 ± 1.32b 24.96 ± 2.00c 27.11 ± 0.59bc 25.45 ± 2.41c
Color
   - Lightness (CIE L*) 24.54 ± 0.10b 26.83 ± 0.91ab 28.24 ± 2.20a 27.84 ± 0.38a 28.18 ± 0.66a
   - Redness (CIE a*) 9.37 ± 0.30c 10.00 ± 0.38c 11.49 ± 0.22a 10.35 ± 0.84bc 11.18 ± 0.01a
   - Yellowness (CIE b*) 12.51 ± 0.04c 13.47 ± 0.81bc 15.99 ± 0.66a 14.15 ± 0.90bc 14.71 ± 0.68ab
Texture Profile Analysis
   - Hardness (N) 35.34 ± 0.06a 33.97 ± 2.99b 29.12 ± 0.49b 36.00 ± 3.17a 38.69 ± 4.17a
   - Cohesiveness (ratio) 0.68 ± 0.02a 0.70 ± 0.02a 0.70 ± 0.01a 0.62 ± 0.03b 0.59 ± 0.0 3b
   - Gumminess (N) 24.47 ± 1.60a 23.63 ± 1.93a 20.38 ± 2.09b 22.23 ± 2.54a 23.57 ± 5.38a
   - Springiness (ratio) 0.78 ± 0.05b 0.81 ± 0.02a 0.81 ± 0.02a 0.78 ± 0.02b 0.74 ± 0.01c
   - Chewiness (N) 19.51 ± 0.35a 19.15 ± 1.56a 16.61 ± 0.91b 18.78 ± 2.28a 18.90 ± 5.24a
Shear force (N) 36.69 ± 0.25a 31.72 ± 0.46bc 25.39 ± 0.83d 30.68 ± 0.35c 34.70 ± 0.50ab
Sensory attributes
   - Color 4.27 ± 1.14b 4.53 ± 1.17ab 5.00 ± 1.16a 4.67 ± 1.12ab 4.53 ± 1.17ab
   - Appearance 4.17 ± 1.11a 4.67 ± 1.29a 4.70 ± 1.20a 4.63 ± 1.19a 4.63 ± 1.03a
   - Texture 3.70 ± 1.21a 4.30 ± 1.20a 4.40 ± 1.23a 3.83 ± 1.31a 4.27 ± 1.10a
   - Flavor 4.03 ± 1.15b 4.57 ± 1.13ab 4.77 ± 1.45a 4.23 ± 1.34ab 4.30 ± 1.21 ab
   - Overall acceptability 4.13 ± 1.16b 4.80 ± 1.15a 4.80 ± 1.06a 4.43 ± 1.17ab 4.63 ± 1.00ab