KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)

The Korean Society of Crop Science (한국작물학회)
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Protective Effect against Neuronal Cell and Inhibitory Activity against Bacteria of Mulberry Fruit Extracts

오디 추출물의 신경세포 보호활성 및 항균활성

  • Published : 2005.11.01
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Abstract

As functional evaluation of mulberry fruits extracts, the protective effect on cerebral cell and antibacterial activities were carried. $1\%$ HCl-MeOH extract showed $37\%$ cytoprotective effect on hydrogen peroxide, also C3G identified mulberry fruits and cyanidin showed $52\%,\;76\%$, respectively, protective effects on oxygen-glucose deprivation (OGD). In the antibacterial activity of mulberry fruit extracts, MeOB-Cheongil extract showed the highest inhibitory activity. Salmonella typhimurium was shown inhibitory rate more than $70\%$ in all treatment groups. Also Klebsiella pneumoniae was shown inhibitory activity in all treatment groups.

최근 뽕잎과 더불어 기능성 및 천연색소 자원으로서 뽕나무의 열매인 오디가 새로운 작목으로 유망시 되고 있다. 농가의 소득향상은 물론 소비자의 관심과 수요에 부응하기 위한 연구의 일환으로 오디를 수확하여 신경세포 보호활성과 항균활성에 대한 오디 추출물의 효능을 평가함으로써 오디의 기능성 및 이용성을 증대시키고자 하였다. 그 결과를 요약하면 다음과 같다. 1. 신경독성 물질 $H_2O_2$처리에 의해 유도되는 신경세포사에 대하여 오디 추출물 $10{\mu}g/ml$의 농도 처리시 $37\%$의 세포보호 효과를 나타냈으며, Oxygen-glucose deprivation (OGD)에 의하여 유발된 뇌허혈 모델에서는 오디 C3G의 경우 농도 의존형으로 세포괴사를 막았다. 특히 cyanidin의 경우는 $10{\mu}g/ml$의 농도에서 $70\%$이상의 뇌세포보호 효과를 나타냈다. 2. 오디 추출물과 C3G의 항균활성을 검정한 결과, 청일뽕 오디의 MeOH 추출물의 항균 활성이 가장 높았으나, Salmonella typhimurium 의 경우 모든 처리군에서 $70\%$ 이상의 억제 활성을 나타냈다. 모든 처리군에서 $50{\mu}l$농도보다 $100{\mu}l$농도에서 균주의 억제 활성이 높게 나타났다.

Keywords

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