한국축산식품학회지 (Food Science of Animal Resources)

  • 제25권2호
  • /
  • Pages.196-202
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  • 2005
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  • 2636-0772(pISSN)
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  • 2636-0780(eISSN)
한국축산식품학회 (Korean Society for Food Science of Animal Resources)
권호 표지

옻 급여가 한우육의 해동후 냉장중 품질에 미치는 영향

Effect of Dietary Rhus verniciflua Stokes on the Quality of Hanwoo (Korean Cattle) Beef during Cold Storage after Thawing

  • 양성운 (중국 연변대학교 농학과) ;
  • 강선문 (강원대학교 축산식품과학과) ;
  • 김용선 (강원대학교 동물자원공동연구소) ;
  • 이성기 (강원대학교 축산식품과학과)
  • Liang Cheng-Yun (College of Agriculture, Yanbian University) ;
  • Kang Sun-Moon (Dept. of Food Science and Technology in Animal Resources, Kangwon National University) ;
  • Kim Yong Sun (Institute of Animal Resources, Kangwon National University) ;
  • Lee Sung Ki (Dept. of Food Science and Technology in Animal Resources, Kangwon National University)
  • 발행 : 2005.06.01
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초록

본 연구는 옻 급여가 한우육의 해동후 냉장중 품질에 미치는 영향을 구명하고자 22개월령 거세 한우를 4처리구로 3두씩 선정하였다. 도축 전 4개월 동안 옻나무 분말을 0(대조구), 2, 4 및 $6\%$씩 급여하였으며 우둔(M semmimembranous) 부위를 $-20^{\circ}C$에서 9개월 동안 저장하였다. 일반성분은 조지방 함량에서 옻 4 및 $6\%$급여구가 대조구보다 유의적으로 낮게 나타났다(p<0.05). pH는 저장 2일과 5일부터 옻 4 및 $6\%$ 급여구가 대조구에 비해 유의적으로 높게 나타났다 (p<0.05). 해동 감량은 처리구간에 유의적인 차이가 보이지 않았으나 드립 감량은 저장기간동안 옻 4 및 $6\%$ 급여구가 유의적으로 낮게 나타났다(p<0.05). $L^{\ast}$ 값은 저장기간동안 옻 급여구가 대조구에 비해 유의적으로 낮은 값을 보였으며 (p<0.05), $a^{\ast}$ 값은 옻 4및 $6\%$급여구가 대조구에 비해 유의적으로 높게 나타났다(p<0.05). $b^{\ast}$ 값은 저장 0일에 대조구가 옻 $6\%$ 급여구보다 유의적으로 높게 나타났으나(p<0.05) 7일에는 옻 $4\%$ 급여구가 대조구보다 유의적으로 높게 나타났다(p<0.05). $C^{\ast}$ 값은 저장기간동안 옻 $4\%$ 급여구가 대조구에 비해 유의적으로 높은 값을 보였으며(p<0.05), $h^0$값은 옻 4 및 $h^0$ 급여구가 대조구보다 유의적으로 낮았다(p<0.05). TBARS는 저장 2일에는 옻 4 및 $6\%$ 급여구가 대조구보다 유의적으로 낮게 나타났으나(p<0.05) 5일부터는 옻 $4\%$ 급여구가 다른 처리구들보라 유의적으로 낮은 값을 나타내었다(p<0.05). MetMb 농도는 저장기간동안 옻 급여구들이 대조구보다 유의적으로 낮게 나타났으며(p<0.05), 저장 7일에는 옻 $4\%$ 급여구가 유의적으로 가장 낮게 나타났다(p<0.05). $R_{6.30}/R_{580}$ 값은 MetMb 농도와 상반된 결과를 나타내었다. 따라서 옻 급여로 인해 한우육의 해동후 냉장기간동안 pH, 드립 감량, 육색, TBARS, 표면육색소의 변화가 현저히 지연되어 품질이 향상되었으며 $4\%$ 급여가 가장 우수한 효과를 나타내었다.

This study was carried out to investigate the effect of dietary Rhus verniciflua Stokes on the quality of Hanwoo (Korean cattle) beef during cold storage $(4^{\circ}C)$ after thawing. After 4 groups (3 heads/group) of 22 months-Hanwoo (Korean cattle) steen were fed a common basal diet with 0, 2, 4 and $6\%$ Rhus verniciflua Stokes (RVS) powder for 4 months prior to slaughter, samples of M semimembranous from 12 carcasses were stored at $-20^{\circ}C$ for 9 months. Crude fat was significantly lower in 4 and $6\%$ RVS treatments than in control (p<0.05). pH value was significantly higher in4 and $6\%$ RVS treatments than in control from 2 and 5 days (p<0.05). Thawing loss was not significantly different among the treatments but drip loss was significantly lower in 4 and $6\%$ RVS treatments than in control during storage (p<0.05). CIE $L^{\ast}$ value was significantly lower in RVS treatments than in control during storage (p<0.05) and CIE $a^{\ast}$ value was significantly higher in 4 and $6\%$ RVS treatments than in control (p<0..05). CIE $b^{\ast}$ value was significantly higher in control than in $6\%$ RVS treatment in 0 days (p<0.05) but it was significantly higher in $4\%$ RVS treatment than in control in 7 days (p<0.05). CIE $C^{\ast}$ value was significantly higher in $4\%$ RVS treatment than in control during storage (p<0.05) and CIE $h^0$ value was significantly lower in $4\%$ RVS treatment than in control (p<0.05). TBARS value of 2 days was significantly lower in 4 and $6\%$ RVS treatments than in control (p<0.05) but it was significantly lower in $4\%$ RVS treatment than the other treatments from 5 days (p<0.05). Surface MetMb concentration was significantly lower in RVS treatment than in control during storage (p<0.05) and it was significantly lower in $4\%$ RVS treatment than in the other treatments in 7days (p<0.05) but surface $R_{6.30}/R_{580}$ value was opposite to this result.

키워드

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