Comparison of the Physiological Activity of Extracts of Bark and Cork Layer from Prunus sargentii

산벚나무 수피 및 코르크층 추출물의 생리활성 비교

  • Lee, Kyoung-In (Biotechnology Industrialization Center, Dongshin University) ;
  • Yang, Sun-Ah (Dept. of Oriental Medicine Materials, Dongshin University) ;
  • Pyo, Byoung-Sik (Dept. of Oriental Medicine Materials, Dongshin University) ;
  • Kim, Sun-Min (Dept. of Oriental Medicine Materials, Dongshin University)
  • 이경인 (동신대학교 생물자원산업화지원센터) ;
  • 양선아 (동신대학교 한약재산업학과) ;
  • 표병식 (동신대학교 한약재산업학과) ;
  • 김선민 (동신대학교 한약재산업학과)
  • Received : 2011.04.14
  • Accepted : 2011.05.23
  • Published : 2011.06.30

Abstract

In this study, we investigated on antioxidative activity, antibacterial activity and tyrosinase inhibitory activity in 75% ethanol extracts of bark and cork layer from Prunus sargentii. The total polyphenol content of cork and bark extract was found to be 217.4 mg/g and 184.3 mg/g. And flavonoid content was found to be 31.9 mg/g and 58.6 mg/g respectively. In DPPH radical scavenging ability, cork extract was exhibited stronger scavenging ability than bark extract. Moreover, cork extract was showed higher inhibitory activity than bark extract in tyrosinase inhibitory activity. In antibacterial activity, bark extract was showed higher growth inhibition effect than cork extract against tested bacterial strains. In measurement of cytotoxicity by MTT assay, bark and cork extract showed fine cell viabilities(95.7~120.9%) against RAW 264.7 cell.

Keywords

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