Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Physicochemical Properties of Chicken Thigh Meat Batter Containing Various Concentrations of NaCl

닭다리살 유화물의 염화나트륨(NaCl) 첨가수준에 따른 이화학적 특성

  • Park, Sin-Young (Department of Animal Resource Science, Kongju National University) ;
  • Kim, Hack-Youn (Department of Animal Resource Science, Kongju National University)
  • 박신영 (공주대학교 동물자원학과) ;
  • 김학연 (공주대학교 동물자원학과)
  • Received : 2016.04.19
  • Accepted : 2016.06.07
  • Published : 2016.06.30
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Abstract

Physicochemical characteristics of chicken-thigh emulsion manufactured with different concentrations of NaCl (0, 0.3, 0.6, 0.9, 1.2, and 1.5%) were examined. Moisture and ash contents of samples containing 1.2% and 1.5% NaCl were significantly higher than those of the other samples (p<0.05). Protein contents decreased with increasing NaCl concentration. The pH values of batters significantly decreased with increasing NaCl concentration (p<0.05). The lightness values of uncooked and cooked samples showed an upward trend with increasing concentration of NaCl. Redness and yellowness values of uncooked batters containing 1.2% and 1.5% NaCl were significantly lower than other samples (p<0.05). The cooking yield and viscosity of the samples increased with increasing NaCl concentration. Samples containing 1.2% and 1.5% NaCl showed higher viscosities than the controls and samples containing 0.3-0.9% NaCl. Therefore, it can be concluded that addition 1.2% NaCl in chicken thigh products is beneficial.

본 연구는 NaCl 첨가량에 따른 닭다리살 유화형 소시지의 이화학적 특성에 대하여 조사하였다. 수분과 회분은 NaCl 1.2%와 1.5% 처리구가 유의적으로 높은 값을 나타내었으며(p<0.05), 단백질은 NaCl 첨가량이 증가할수록 낮아지는 경향을 보였다. pH는 가열 전 유화물에서 NaCl 첨가량이 증가함에 따라 유의적으로 감소하였으며(p<0.05), 가열 후 닭다리살 소시지 또한 감소하는 경향을 보였다. 색도 측정 결과 가열 전 후 명도(lightness)는 NaCl 첨가수준이 높아짐에 따라 상승하는 경향을 보였다. 황색도(yellowness)는 가열 전 유화물은 NaCl 1.2%와 1.5% 처리구는 대조구와 다른 처리구들에 비해 유의적으로 낮은 값을 나타내었으며(p<0.05), 가열 후에는 NaCl 첨가량이 증가함에 따라 감소하는 경향을 나타내었다. 적색도(redness)는 가열 전 유화물에서 NaCl 첨가수준이 1.2%까지 상승할수록 유의적으로 감소하였으며(p<0.05), 가열 후 적색도는 NaCl 첨가량이 증가할수록 감소하는 경향을 나타내었다. 가열수율과 유화안정성 측정결과, 가열수율은 NaCl 0.6% 처리구부터 NaCl 첨가수준이 높아질수록 유의적으로 상승하였다(p<0.05). 유화안정성 중 수분 분리율은 NaCl 0.9-1.5% 처리구가 대조구와 다른 처리구들에 비해 유의적으로 낮은 수분 분리율을 보였으며(p<0.05), 지방 분리율은 NaCl 첨가량이 증가함에 따라 낮아지는 추세를 보였다. 점도(viscosity) 측정결과 NaCl 첨가량이 높은 처리구가 대조구와 다른 처리구에 비해 높은 점도를 나타내어, NaCl 첨가량이 높아질수록 점도 또한 상승하는 경향을 보였다. 경도(hardness)는 NaCl 1.2%와 1.5% 처리구가 $0.28-0.30kg_f$으로 유의적으로 높았으며(p<0.05), 검성(gumminess)과 씹힘성(chewiness)은 경도와 동일하게 NaCl 1.2%, 1.5% 처리구가 유의적으로 높은 수치를 나타내었다(p<0.05). 이러한 결과를 미루어 볼 때, 닭다리살 유화형 소시지에 NaCl을 1.2% 첨가하였을 때 NaCl 1.5% 처리구와 이화학적으로 유사한 특성을 가지고 있는 것으로 생각된다. 따라서 닭다리살을 이용한 저염 육제품 제조 시 NaCl을 1.2% 첨가하는 것이 이화학적인 특성 저하를 일으키지 않는 적정 수준일 것으로 판단된다.

Keywords

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