Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Effect of Feeding of Citrus Byproduct on the Physicochemical Properties and Palatability of Pork Loin during Growing Period

성장기에 급여한 감글 부산물이 돈육등심의 이화학적 특성 및 기호성에 미치는 영향

  • Jung, In-Chul (Division of Food Beverage and Culinary Arts, Daegu Technical College) ;
  • Moon, Yoon-Hee (Department of Food Science and Technology, Kyungsung University) ;
  • Yang, Sung-Joo (Jeju Provincial Government)
  • Published : 2006.12.01
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Abstract

This study was carried out to investigate the possible for utilization of garbage in pig feed by investigating the functional characteristics of pork from pigs fed dried citrus byproduct. The samples consisted of the pork loin from pigs not fed with dried citrus pulp (DCP-0) and fed with 6% and 10% dried citrus pulp during growing and fattening period (DCP-1) there is no respective comparison here The pH, VBN content, TBARS value, bacterial counts, surface color, water holding capacity, loss degree and rheological properties of the samples were determined by physicochemical properties, and the sensory scores were evaluated. The pH, VBN content, surface color, water holding capacity and loss degree were not different between the samples, but the TBARS value and bacterial counts of DCP-1 were significantly lower than those of the DCP-0 (p<0.05). The cohesiveness, gumminess, chewiness, shear forte value, taste, flavor, tenderness, juiciness and palatability were not different between the samples, but the hardness of DCP-0 was higher than that of the DCP-1 and the springiness of DCP-1 was higher than that of the DCP-0 (p<0.05).

본 연구는 감귤 부산물을 돼지에게 급여하여 폐기물의 재활용과 기능성 돈육의 생산 가능성을 검토하기 위하여 실시하였다. 이용 부위는 등심이었으며, 건조된 밀감 부산물을 급여하지 않은 돈육(DCP-0)과 육성기에 6% 급여한 후 비육기에 10% 급여한 돈육(DCP-1)의 pH, VBN, TBARS, 일반세균 수, 표면색도, 보수력, 감량, 기계적 물성 및 관능성을 실험하였다. pH 및 VBN 함량은 시료들 사이에 유의한 차이가 없었으나, TBARS값 및 일반세균수는 감귤 부산물을 급여한 돈육등심이 유의하게 낮았다(p<0.05). 그리고 표면색도, 보수력 및 감량은 시료들 사이에 유의한 차이가 없었다. 기계적 물성 중에서 경도는 DCP-0가 높았고, 탄성은 DCP-1이 유의하게 높았지만(p<0.05), 응집성, 뭉침성 및 전단력은 시료들 사이에 유의한 차이가 없었다. 돈육등심의 맛, 풍미, 연도, 다즙성 및 전체적인 기호성은 DCP-0 및 DCP-1 사이에 유의한 차이가 없었다.

Keywords

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