Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Analysis of General Composition and Harmful Material of Protaetia brevitarsis

흰점박이꽃무지(Protaetia brevitarsis)의 일반성분 및 유해물질 분석

  • Chung, Mi Yeon (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Gwon, Eun-Yeong (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Hwang, Jae-Sam (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Goo, Tae-Won (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Yun, Eun-Young (Department of Agricultural Biology, National Academy of Agricultural Science, RDA)
  • 정미연 (농촌진흥청 국립농업과학원 농업생물부) ;
  • 권은영 (농촌진흥청 국립농업과학원 농업생물부) ;
  • 황재삼 (농촌진흥청 국립농업과학원 농업생물부) ;
  • 구태원 (농촌진흥청 국립농업과학원 농업생물부) ;
  • 윤은영 (농촌진흥청 국립농업과학원 농업생물부)
  • Received : 2013.03.07
  • Accepted : 2013.05.07
  • Published : 2013.05.30
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Abstract

To evaluate Protaetia brevitarsis as a food material, we investigated its composition of nutritional and harmful components. Analysis of nutritional composition (moisture, crude protein, crude fat, crude ash, crude fiber, and carbohydrates) showed that the content of crude protein, fat, fiber, and ash were $57.86{\pm}0.01$%, $16.57{\pm}1.81$%, $5.31{\pm}0.10$%, and $8.36{\pm}0.10$% in Protaetia brevitarsis powder, respectively. Amino acids were composed of 17.68% essential and 33.97% non-essential in Protaetia brevitarsis powder. Protaetia brevitarsis powder contained 61.10% unsaturated fatty acid with oleic acids. Additionally, Protaetia brevitarsis powder had a large quantity of minerals related to body organization, such as K (1597 mg/100 g), P (724.1 mg/100 g), Mg (366.3 mg/100 g), and so on. We also confirmed that all bacteria and all heavy metals analyzed in this study, except for very small amount of Hg ($0.1{\pm}0.042$ mg/kg), were not detected in the lysophilized Protaetia brevitarsis powder.

본 연구에서는 흰점박이꽃무지 유충의 식 약용으로써의 가능성을 제시하기 위해 영양성분분석 및 유해물질 검사를 실시하였다. 일반성분은 건량 기준 조단백질 함량이 57.86%로 매우 높았으며, 조지방 16.57%, 조섬유 8.36%, 조회분 5.38%로 구성됨을 확인하였다. 또한 불포화 지방산 중 혈압강하작용 및 여러 약리기전이 알려져 있는 oleic acid (omega-6)가 전체지방산 중 60% 이상을 차지하고 있었고, linoleic acid (omega-6) 5.22%, arachidonic acid (omega-6) 0.25% 함유되어 있었다. 유해물질의 분석 결과, 중금속의 일종인 수은이 0.07 mg/kg으로 존재하였으나 일반식품(어패류의 경우, 0.5 mg/kg) 허용 기준치 이하의 미량인 것으로 확인되었으며, 병원성 미생물인 대장균 O157:H7과 살모넬라균은 검출되지 않았으므로 식용으로 사용하기에 문제가 없는 것으로 판단되었다. 따라서 흰점박이꽃무지 유충은 고함량의 단백질과 필수아미노산 및 생체 내에서 합성할 수 없는 영양소들을 다량 함유하고 있으므로 육류나 어류를 대신할 수 있는 대체식품으로 활용 가능할 것으로 판단되며 안전한 식품소재로의 기준 및 규격마련을 통해 식 약용으로 이용 가능할 것이라 기대된다.

Keywords

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