Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Analysis of Component Changes According to Early Cutting of Elk Velvet Antlers

엘크사슴 녹용의 조기 절각에 따른 성분변화 분석

  • Kim, Dong-kyo (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA) ;
  • Lee, Sang-Hoon (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA) ;
  • Lee, Eun-Do (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA) ;
  • Lee, Jinwook (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA) ;
  • Roh, Hee-Jong (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA) ;
  • Lee, Sung-Soo (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA) ;
  • Jang, Aera (Department of Applied Animal Science, College of Animal Science, Kangwon National University) ;
  • Kim, Kwan-Woo (Animal Genetic Resources Research Center, National Institute of Animal Science, RDA)
  • 김동교 (농촌진흥청 국립축산과학원 가축유전자원센터) ;
  • 이상훈 (농촌진흥청 국립축산과학원 가축유전자원센터) ;
  • 이은도 (농촌진흥청 국립축산과학원 가축유전자원센터) ;
  • 이진욱 (농촌진흥청 국립축산과학원 가축유전자원센터) ;
  • 노희종 (농촌진흥청 국립축산과학원 가축유전자원센터) ;
  • 이성수 (농촌진흥청 국립축산과학원 가축유전자원센터) ;
  • 장애라 (강원대학교 동물생명과학대학 동물응용과학과) ;
  • 김관우 (농촌진흥청 국립축산과학원 가축유전자원센터)
  • Received : 2020.12.21
  • Accepted : 2021.02.05
  • Published : 2021.02.28
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Abstract

This study was undertaken to measure changes in the composition of elk velvet antlers, by considering the part and growth days (40th day, 60th day). The collected samples were divided into the tip, upper, middle, and base part by position. Samples were analyzed for moisture, crude protein, crude fat, crude ash, crude fiber, pH, minerals, and fatty acid and amino acid contents. The amounts of crude protein and crude fat were determined to be highest at the tip of the velvet antler by position, whereas dry matter and crude ash were high at the base. Crude protein contents were increased in the upper part but were decreased at the base, when assessed by growth day. Conversely, crude fiber and crude ash were found to be increased at the base by growth day. The pH value was determined to be lower at the tip, but did not differ when evaluated by growth day. Mineral contents (Ca, P, K) differed significantly by growth day in the middle portion of the antler. Saturated fatty acids tended to increase by growth day, whereas unsaturated fatty acids showed a decreasing trend. However, no significant difference was obtained for any of the components. Most amino acids were found to be high in the 60 days velvet antler, except isoleucine (Ile), which showed low levels at day 60. These results provide information on the changes in the composition of antlers, in cases of early cutting.

엘크 녹용의 부위별 및 성장일수별 성분변화를 측정하기 위하여 각각 녹용 성장일수가 40일령, 60일령의 녹용을 채취하였다. 채취된 샘플은 부위별로 분골, 상대, 중대, 하대로 구분하여 수분, 조단백질, 조지방, 조회분, 조섬유, pH, 무기질(Ca, P, K, Mg, Fe, Mn, Zn, Cu, Pb), 지방산 및 아미노산 함량을 분석하였다. 부위별로는 분골에서 조단백질, 조지방 함량이 높았으며, 하대에서 건물, 조회분 함량이 높게 나타났다. 조단백질은 상대에서 성장일수에 따라 증가하였으나 하대에서는 성장일수가 경과할수록 조단백질 함량은 낮아졌다. 반면에 조섬유, 조회분 함량은 증가하였다. pH는 분골에서 수치가 낮게 나타났다. 무기물에서는 칼슘(Ca), 인(P), 칼륨(K)이 중대에서 성장일수별로 유의적인 차이가 나타났다. 포화지방산은 함량이 증가하고, 불포화지방산은 감소하는 경향이 있었으나 두 성분 모두 유의적인 차이는 없었다. 대부분의 아미노산은 60일령에 높았으나 이소류신(Ile)은 60일령에서 낮았다. 이 결과는 조기에 절각을 진행할 경우에 녹용의 성분함량 변화에 대한 정보를 제공할 수 있을 것으로 사료된다.

Keywords

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