Korean Journal of Pharmacognosy (생약학회지)

The Korean Society of Pharmacognosy (한국생약학회)
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Antioxidant Compounds of Oryza sativa L

벼의 항산화성분

  • Min, Byung-Sun (Immunomodulator Research Laboratory, Korea Research Institute of Bioscience and Biotechnology) ;
  • Lee, Hyeong-Kyu (Immunomodulator Research Laboratory, Korea Research Institute of Bioscience and Biotechnology) ;
  • Zee, Ok-Pyo (College of Pharmacy, Sungkyunkwan University) ;
  • Moon, Hyung-In (Immunomodulator Research Laboratory, Korea Research Institute of Bioscience and Biotechnology)
  • 민병선 (한국생명공학연구원 면역제어연구실) ;
  • 이형규 (한국생명공학연구원 면역제어연구실) ;
  • 지옥표 (성균관대학교 약학대학) ;
  • 문형인 (한국생명공학연구원 면역제어연구실)
  • Published : 2002.09.30
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Abstract

In search for the plant-derived antioxidant compound, it was found that the EtOAc, BuOH extracts obtained from the leaves parts of Oryza sativa L. which exhibited a significant antioxidant activity from 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical cleavage. Activity-guided fractionation on the basis of the inhibitory activity upon the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical cleavage. and repeated column chromatography afforded several antioxidant compounds from Oryza sativa L. The structures and stereochemistry of these compounds were established on the basis of analysis of spectra and some chemical transformations as follows: 5,7-dihydroxy- 8-methoxyflavone, $acacetin-7-O-{\beta}-rutinoside$, $pectolinarigenin-7-O-{\beta}-rutinoside$. At antioxidant activity test for isolated three compounds, antioxidant activity was showed too.

Keywords

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