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http://dx.doi.org/10.15230/SCSK.2012.38.3.275

Antioxidative Effect of Extracts from Different Parts of Juncus effusus L.  

Choi, Chang-Hwan (Department of Fine Chemistry, Nanobiocosmetic laboratory, and Cosmetic R&D center, Seoul National University of Science and Technology)
Won, Doo-Hyun (Department of Fine Chemistry, Nanobiocosmetic laboratory, and Cosmetic R&D center, Seoul National University of Science and Technology)
Hwang, Jun-Pil (Department of Fine Chemistry, Nanobiocosmetic laboratory, and Cosmetic R&D center, Seoul National University of Science and Technology)
Park, Soo-Nam (Department of Fine Chemistry, Nanobiocosmetic laboratory, and Cosmetic R&D center, Seoul National University of Science and Technology)
Publication Information
Journal of the Society of Cosmetic Scientists of Korea / v.38, no.3, 2012 , pp. 275-282 More about this Journal
Abstract
In this study, the antioxidative effects of extracts from different parts of Juncus effusus L. were investigated. The three parts (above-ground part, below-ground part, medulla part) were selected. 50 % ethanol extract, ethyl acetate and aglycone fractions of J. effusus L. were used in experiments. The highest DPPH (1,1-diphenyl-2-picrylhydrazyl) scavenging activities ($FSC_{50}$) was shown by medulla part (42.9 ${\mu}g/mL$) in 50 % ethanol extracts, below-ground part (12.1 ${\mu}g/mL$) in ethyl acetate fractions, and below-ground part (12.1 ${\mu}g/mL$) in aglycone fractions. Reactive oxygen species (ROS) scavenging activities ($OSC_{50}$) on ROS generated in $Fe^{3+}$-EDTA/$H_2O_2$ system using the luminol-dependent chemiluminescence assay showed the most prominent effect of medulla part (0.29 ${\mu}g/mL$) in 50 % ethanol extracts, below-ground part (0.25 ${\mu}g/mL$) in ethyl acetate fractions, and medulla part (0.20 ${\mu}g/mL$) in aglycone fractions. The cellular protective effects of extract/fractions of J. effusus L. on the rose-bengal sensitized photohemolysis of human erythrocytes were increased in a concentration dependent manner (0.5 ~ 10 ${\mu}g/mL$). Especially, aglycone fraction of medulla part at a concentration of 10 ${\mu}g/mL$ showed the most prominent protective effect among all extracts (${\tau}_{50}$, 321.0 min). These results indicate that extracts from below-ground part and medulla part of J. effusus L. extracts can be used as an natural antioxidant. Particularly, J. effusus L. can protect suggesting a high ${\tau}_{50}$ skin where many $^1O_2$ was generated by sunlight exposure.
Keywords
J. effusus L.; antioxidative activity; singlet oxygen; cell protection;
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Times Cited By KSCI : 2  (Citation Analysis)
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