Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Changes of Physico-Chemical, Microbilogical and Sensory Properties on Hanwoo Beef Fed With Supplemental Bamboo Vinegar during Refrigerated Storage

죽초액을 급여한 한우육의 냉장 저장기간 중 물리화학적, 미생물학적 및 관능 특성의 변화

  • Kook Kil (Department of Animal Research Farm, Agro-Bioindusty Technical Support Center, Chonnam National University) ;
  • Kim Kwang-Hyun (Department of Animal Science, Institute of Agricultural Science and Technology, Chonnam National University)
  • 국길 (전남대학교 농생물산업기술관리단 동물사육장부) ;
  • 김광현 (전남대학교 농업과학기술연구소 동물자원학부)
  • Published : 2005.12.01
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Abstract

The objective of this study was to investigate the effects of supplemental levels of Bamboo vinegar (BV) on meat quality characteristics of Hanwoo. A total of 15 cows $(400.0\pm15.0\;kg)$ was fed with a commercial diet (control) or $3\%$ bamboo vinegar supplemented diets $(3\%\;BV),\;6\%$ BV for four months. Then, cows were slaughtered and M. longissimus dorsi (LD) was collected from each treatment group During storage at $4^{\circ}C$ for 21day, physico-chemical, microbiological and sensory characteristics were determined It increased (p<0.05) in at 3 and 9 days of the refrigeration storage. Hunter a value decreased (p<0.05) in the meat fed with $3\%\;and\;6\%$ BV at 1, 3 and 9 days. Hunter b value increased (p<0.05) in $3\%\;and\;6\%$ BV at 1 and 3 days. TBA and total bacterial count were significantly (p<0.05) low in $3\%\;and\;6\%$ BV at 1 and 3 days. Supplementation of $3\%\;or\;6\%$ BV showed a significant (p<0.05) decrease in cooking loss at 9 and 15 days. $3\%\;and\;6\%$ BV showed a significant (p<0.05) decrease in shear force at 1, 3 and 9 days; it tended to decrease throughout the whole storage period The treatments $3\%\;and\;6\%$ BV scored high in area of taste; taste increased significantly (p<0.05) at 1 and 3 days.

본 연구는 비육중인 한우 암소 15두를 대조구와 죽초액 $3\%$ 및 $6\%$ 처리구로 나누어 4개월 동안 죽초액을 급여한 후 생산된 등심육을 저장기간 중 물리화학적, 미생물적 및 관능평가의 변화를 알아보고자 하였다. 명도는 죽초액 $3\%$ 와 $6\%$ 처리구에서 저장 1, 3 및 9일에 유의적으로(p<0.05) 높았고, 적색도는 죽초액 $3\%$ 와 $6\%$ 처리구에서 저장 1, 3 및 9일에 대조구에 비해 유의적으로(p<0.05) 낮은 반면에, 황색도는 죽초액 $3\%$ 와 $6\%$ 처리구에서 저장 1일과 3일에 유의적으로 (p<0.05) 증가하였다. TBA와 총균수는 죽초액 $3\%$ 와 $6\%$ 처리구에서 저장 1일과 3일에 낮았으며(p<0.05), 가열 감량은 죽초액 $3\%$ 과 $6\%$ 처리구에서 저장 9일과 15일에 낮게(p<0.05) 나타났다. 전단력은 죽초액 $3\%$ 와 $6\%$ 처리구에서 저장 1, 3 및 9일에 유의적으로(p<0.05) 낮게 나타났다. 맛은 죽초액 $3\%$ 와 $6\%$ 처리구에서 저장 1일과 3일에 유의적으로(p<0.05) 높게 나타났다.

Keywords

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