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<p>This study compared the physicochemical, sensory, and flavor-related properties of breast from two Korean native chicken (KNC) breeds, Woorimatdag No. 1 (WRMD1) and Woorimatdag No. 2 (WRMD2), to those of broilers, under fresh and various freeze-thaw treatments. WRMD1 generally exhibited the highest shear force value among the breeds, indicating tougher meat. The total aerobic bacteria count was significantly lower (p&lt;0.05) in broiler meat compared to WRMD1 and WRMD2. The appearance perception on the sensory evaluation of fresh WRMD1 meat was significantly lower than that of broiler meat (p&lt;0.05). The chicken breed influenced the fatty acid profile. The KNC breeds exhibited higher levels of essential and taste-related fatty acids compared to the broilers. Notably, WRMD1 exhibited the highest inosine monophosphate concentration, a key nucleotide responsible for umami taste. The freeze-thaw treatment did not significantly influence the fatty acid profile. Several volatile organic compounds such as (S)-(+)-3-methyl-1-pentanol, propanal, 2-methyl-, sec-butylamine, 3,3-dimethyl-1,2-epoxybutane, hexanal, 5-methyl-, 1-octen-3-ol, and 5-ethylcyclopent-1-enecarboxaldehyde were identified as potential markers for differentiating broiler and KNC meat. Overall, the breed had a more significant impact on the physicochemical and flavor characteristics of the meat, while quick freezing effectively preserved its fresh quality.</p>

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The Effect of Different Freezing and Thawing Methods on Physicochemical, Sensory, and Flavor Characteristics of Korean Native Chicken Breast

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月1日

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  • Joko Sujiwo,
  • Yousung Jung,
  • Sangrok Lee,
  • Dongwook Kim,
  • Hee-Jeong Lee,
  • Soomin Oh,
  • Hee-Jin Kim,
  • Hyo-Joon Choo,
  • Aera Jang

摘要

This study compared the physicochemical, sensory, and flavor-related properties of breast from two Korean native chicken (KNC) breeds, Woorimatdag No. 1 (WRMD1) and Woorimatdag No. 2 (WRMD2), to those of broilers, under fresh and various freeze-thaw treatments. WRMD1 generally exhibited the highest shear force value among the breeds, indicating tougher meat. The total aerobic bacteria count was significantly lower (p<0.05) in broiler meat compared to WRMD1 and WRMD2. The appearance perception on the sensory evaluation of fresh WRMD1 meat was significantly lower than that of broiler meat (p<0.05). The chicken breed influenced the fatty acid profile. The KNC breeds exhibited higher levels of essential and taste-related fatty acids compared to the broilers. Notably, WRMD1 exhibited the highest inosine monophosphate concentration, a key nucleotide responsible for umami taste. The freeze-thaw treatment did not significantly influence the fatty acid profile. Several volatile organic compounds such as (S)-(+)-3-methyl-1-pentanol, propanal, 2-methyl-, sec-butylamine, 3,3-dimethyl-1,2-epoxybutane, hexanal, 5-methyl-, 1-octen-3-ol, and 5-ethylcyclopent-1-enecarboxaldehyde were identified as potential markers for differentiating broiler and KNC meat. Overall, the breed had a more significant impact on the physicochemical and flavor characteristics of the meat, while quick freezing effectively preserved its fresh quality.