Journal of Sericultural and Entomological Science (한국잠사곤충학회지)

Korean Society of Sericultural Science (한국잠사학회)
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Antioxidant activity and antimicrobial activity of the grasshopper, Oxya chinensis sinuosa

벼메뚜기의 항산화 효과와 항균 활성

  • Kim, Hyun Jin (Insects and Sericultural Research Institute, Jeollanamdo Agricultural Research and Extention Services) ;
  • Kang, Sung Ju (Insects and Sericultural Research Institute, Jeollanamdo Agricultural Research and Extention Services) ;
  • Kim, Seon Gon (Insects and Sericultural Research Institute, Jeollanamdo Agricultural Research and Extention Services) ;
  • Kim, Jung Eun (Insects and Sericultural Research Institute, Jeollanamdo Agricultural Research and Extention Services) ;
  • Koo, Hui Yeon (Insects and Sericultural Research Institute, Jeollanamdo Agricultural Research and Extention Services)
  • 김현진 (전라남도농업기술원 곤충잠업연구소) ;
  • 강성주 (전라남도농업기술원 곤충잠업연구소) ;
  • 김선곤 (전라남도농업기술원 곤충잠업연구소) ;
  • 김정은 (전라남도농업기술원 곤충잠업연구소) ;
  • 구희연 (전라남도농업기술원 곤충잠업연구소)
  • Received : 2015.10.16
  • Accepted : 2015.10.26
  • Published : 2015.10.31
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Abstract

In this study, to confirm the physiological activity of the grasshopper (Oxya chinensis sinuosa) antioxidant activity, antimicrobial activity, thermal stability of the antimicrobial substance, pH stability, total polyphenol content of the adult grasshopper was measured. Antibacterial activity in accordance with the extraction solvent showed a strong antibacterial activity in a mixed solvent of ethanol for the E. coli strain. Antimicrobial activity in $40^{\circ}C$ hot air drying and a freezedried condition was the highest and there was no difference in the gender. Antibacterial substance was stable to heat and pH. Antioxidant activity of the grasshopper exhibited a high activity in the 50% and 70% ethanol extract. Total polyphenol content was the 12 ~17 mg / 100 g and there was not great difference according to the drying conditions and gender.

본 연구에서는 벼메뚜기의 생리활성을 확인하기 위하여 벼메뚜기의 성충을 실험재료로 하여 항산화 활성, 항균활성, 항균 물질의 열 안정성, pH 안정성, total polyphenol 함량 등을 측정하였다. 추출용매에 따른 항균력은 E. coli 균주의 경우 ethanol 혼합용매에서 가장 높은 항균력을 보였다. 항균 활성은 열풍건조 $40^{\circ}C$와 동결건조 조건에서 가장 높았으며 암수에 따른 차이는 없었고 항균 물질은 열과 pH에 안정하였다. 벼메뚜기의 항산화 활성은 50% ethanol 추출물과 70% ethanol 추출물에서 가장 높은 활성이 나타났고 total polyphenol은 12 ~ 17 mg/100 g으로 건조조건이나 성별에 따른 차이는 크지 않음을 확인하였다.

Keywords

References

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