Journal of agriculture & life science (농업생명과학연구)

Institute of Agriculture & Life Science, Gyeongsang National University (경상대학교 농업생명과학연구원)
권호 표지

Textural and Sensory Properties of Beef Jerky replaced Salt with Soybean Paste, Soy Sauce or Red Pepper Paste

소금(NaCl)을 된장, 간장 또는 고추장으로 대체한 우육포의 조직적 및 관능적 특성

  • Lim, Hyun-Jung (Division of Applied Life Science (BK21 program) Graduate School, Gyeongsang National Univ.) ;
  • Jung, Eun-Young (Division of Applied Life Science (BK21 program) Graduate School, Gyeongsang National Univ.) ;
  • Kim, Gap-Don (Division of Applied Life Science (BK21 program) Graduate School, Gyeongsang National Univ.) ;
  • Joo, Seon-Tea (Division of Applied Life Science (BK21 program) Graduate School, Gyeongsang National Univ.) ;
  • Yang, Han-Sul (Department of Animal Science.Institute of Agriculture and Life Science, Gyeongsang National Univ.)
  • 임현정 (경상대학교 응용생명과학부(BK 21 program)) ;
  • 정은영 (경상대학교 응용생명과학부(BK 21 program)) ;
  • 김갑돈 (경상대학교 응용생명과학부(BK 21 program)) ;
  • 주선태 (경상대학교 응용생명과학부(BK 21 program)) ;
  • 양한술 (경상대학교 축산학과.농업생명과학연구원)
  • Received : 2012.08.13
  • Accepted : 2012.12.26
  • Published : 2012.12.31
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Abstract

The aim of this study was to investigate the quality properties of beef jerky replaced salt (NaCl) with red pepper paste, soy sauce and soybean paste. The quality properties of beef jerky including water activity ($a_w$), pH, moisture content, protein content, color, shear force, texture profile analysis and sensory evaluations were investigated. The sliced beef samples were marinated at salt (control), soybean paste (T1), soy sauce (T2) and red pepper paste (T3) for 24 h and then dried at $70^{\circ}C$ for 8 h. The $a_w$ and moisture content varied from 0.88 to 0.79 and from 28.87% to 22.98%, respectively. All treatment samples showed higher final $a_w$ and moisture content than the control sample after drying for the 8 h (p<0.05). The protein content of T2 and T3 samples were lower than the control. Also, shear force and hardness value of all treatment samples had lower than the control (p<0.05). However, all treatment samples showed lower saltiness intensity than the control sample. Sensory panelists recorded greater flavor and texture scores to the samples with soy sauce replacement. Therefore, sensory panels found that the T2 samples had better overall acceptability scores than the other beef jerky samples (p<0.05).

본 연구는 소금을 된장, 간장 및 고추장으로 대체한 우육포의 품질특성 구명 및 전통장류를 이용한 우육포의 제조가능성을 타진코자 실시하였다. 본 실험에 이용된 원료육은 한우육의 semimembranosus 근육을 이용하여 동일한 염도(15)의 소금(대조구), 된장, 간장 및 고추장을 염지액의 2% 수준으로 첨가시켜 $70^{\circ}C$에서 8시간동안 건조하였다. 수분활성도는 0.79-0.88의 범위를 만족하며, 처리구에서 대조구인 소금 첨가구에 비해 높은 수분활성도 값을 나타내었다(p<0.05). 수분함량 또한 22.98-28.87%의 범위를 보였으며, 된장과 간장 첨가구에서 대조구보다 높은 수분함량 값을 나타내었다(p<0.05). 육색 측정 결과, 된장, 간장 및 고추장 첨가구에서 대조군보다 낮은 명도 값을 나타내었고, 적색도는 대조구와 고추장 첨가구에서 된장 및 간장 첨가구에 비해 낮게 나타났다(p<0.05). 전단가 및 조직감 측정 결과, 대조구에 비해 처리구에서 낮은 전단가를 보였다. 경도 또한 대조구인 소금 첨가구에서 처리구에 비해 높게 나타났다(p<0.05). 관능평가 결과, 소금을 첨가한 대조구가 6.25로 가장 높은 염도 값을 나타내어 전통장류로 대체 시 소비자들이 느끼는 염도를 줄일 수 있을 것으로 판단된다. 또한 향 및 조직감에서 간장 첨가구에서 가장 높은 값을 획득하였다(p<0.05). 이러한 결과는 종합적 기호도로 이어져 간장을 첨가한 육포가 소금과 된장 및 고추장을 첨가한 육포에 비해 유의적으로 높은 선호도 값을 획득하였다(p<0.05).

Keywords

Acknowledgement

Supported by : 농촌진흥청

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