Table 1. Proximate composition of broiler and Korean native chicken with various freezing and thawing conditions
Traits/breeds | Fresh | SF-RT | SF-AT | SF-WT | SF-MT | QF-RT | QF-AT | QF-WT | QF-MT |
Moisture (%) |
Broiler | 76.55 ±0.29a | 75.37 ±0.19cA | 76.34 ±0.45aA | 76.60 ±0.78a | 75.51 ±0.30bc | 76.20 ±0.21abA | 76.20 ±0.17abA | 76.32 ±0.26aA | 76.34 ±0.41aA |
WRMD1 | 75.81 ±0.18a | 74.92 ±0.23bB | 74.90 ±0.42bB | 74.90 ±0.66b | 74.97 ±0.43b | 74.86 ±0.25bC | 74.53 ±0.44bB | 75.07 ±0.45abB | 74.73 ±0.28bB |
WRMD2 | 75.60 ±2.38 | 75.34 ±0.34AB | 75.18 ±0.49B | 76.41 ±2.18 | 75.93 ±3.02 | 75.28 ±0.22B | 75.81 ±0.46A | 75.32 ±0.24B | 75.27 ±0.30B |
Crude protein (%) |
Broiler | 24.29 ±1.27a | 23.42 ±0.78ab | 21.99 ±0.28bc | 21.70 ±0.59cB | 22.08 ±1.32bcB | 22.93 ±0.63abcB | 22.11 ±0.63bc | 22.67 ±0.24abcB | 22.44 ±0.46bc |
WRMD1 | 23.83 ±1.41 | 22.63 ±0.76 | 23.46 ±2.74 | 22.50 ±1.85B | 24.05 ±1.68AB | 24.05 ±0.66A | 23.48 ±1.24 | 23.78 ±1.04AB | 23.87 ±1.40 |
WRMD2 | 22.43 ±1.28c | 22.72 ±0.70c | 23.86 ±1.30bc | 25.77 ±1.14abA | 26.17 ±1.92aA | 23.70 ±0.48bcAB | 23.50 ±1.22bc | 24.15 ±0.56abcA | 23.76 ±0.39bc |
Crude lipid (%) |
Broiler | 0.84 ±0.11ab | 1.00 ±0.22abA | 1.00 ±0.05abA | 0.74 ±0.21b | 0.79 ±0.11b | 1.30 ±0.45aA | 0.99 ±0.25ab | 0.83 ±0.23abAB | 1.22 ±0.25abB |
WRMD1 | 0.73 ±0.20 | 0.73 ±0.24AB | 0.71 ±0.15B | 0.92 ±0.40 | 0.70 ±0.20 | 0.75 ±0.23B | 1.09 ±0.24 | 0.99 ±0.24A | 0.70 ±0.21B |
WRMD2 | 0.88 ±0.13abc | 0.63 ±0.19cB | 0.84 ±0.10abcvAB | 0.66 ±0.14bc | 0.97 ±0.17ab | 0.76 ±0.17abcB | 0.78 ±0.20abc | 0.65 ±0.12bcB | 1.00 ±0.15aAB |
Crude ash (%) |
Broiler | 1.40 ±0.11aA | 1.11 ±0.18abc | 0.97 ±0.23cB | 1.25 ±0.14abcA | 1.17 ±0.08abc | 1.06 ±0.22bc | 1.22 ±0.05abc | 1.28 ±0.04abA | 1.08 ±0.07bc |
WRMD1 | 1.00 ±0.11bcB | 1.15 ±0.10abc | 1.34 ±0.10aA | 1.03 ±0.09bcB | 1.10 ±0.06abc | 0.98 ±0.08c | 1.11 ±0.20abc | 1.06 ±0.13bcB | 1.23 ±0.14ab |
WRMD2 | 1.00 ±0.15B | 1.13 ±0.09 | 1.06 ±0.03B | 1.14 ±0.09AB | 1.10 ±0.13 | 1.09 ±0.03 | 1.03 ±0.05 | 1.02 ±0.07B | 1.14 ±0.05 |
Means in the same column with different superscript letters differ significantly (p<0.05).
Means within the same row with different superscript letters differ significantly (p<0.05).
SF, slow frozen; RT, refrigerator thawing; AT, ambient temperature thawing; WT, water thawing; MT, microwave thawing; QF, quick frozen; WRMD1, Woorimadtag No. 1; WRMD2, Woorimadtag No. 2.