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http://dx.doi.org/10.3746/jkfn.2016.45.11.1580

Antioxidative and Neuroprotective Effects of Extract and Fractions from Adenophora triphylla  

Chung, Mi Ja (Department of Food Science and Nutrition, Gwangju University)
Lee, Sanghyun (Department of Integrative Plant Science, Chung-Ang University)
Park, Yong Il (Department of Biotechnology, The Catholic University of Korea)
Kwon, Ki Han (Department of Food Science and Nutrition, Gwangju University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.45, no.11, 2016 , pp. 1580-1588 More about this Journal
Abstract
The 70% ethanol extract from Adenophora triphylla showed a strong antioxidant effect and reduced cytotoxicity of $H_2O_2$ in SK-N-SH cells. The chloroform fraction from A. triphylla extract (AT-CH) among the six fractions showed strong DPPH radical and intracellular reactive oxygen species (ROS) scavenger effects and the highest protective effect against $H_2O_2$-induced SK-N-SH cell death. Bioactivity compounds were purified from AT-CH, and the chemical structures of the compounds were determined as ${\beta}$-sitosterol and daucosterol on the basis of $^1H-NMR$, $^{13}C-NMR$, and EI mass spectra. ${\beta}$-Sitosterol and daucosterol also had protective effects against oxidative stress in SK-N-SH cells. Phospho-p38 MAPK levels were elevated by $H_2O_2$ but were inhibited by treatment with AT-CH and phytosterols (${\beta}$-sitosterol and daucosterol) isolated from AT-CH. These results suggest that AT-CH has brain neuroprotective effects against oxidative stress ($H_2O_2$) by inhibiting activation of p38 pathways and scavenging intracellular ROS.
Keywords
Adenophora triphylla; antioxidant effect; neuroprotective effects; oxidative stress; SK-N-SH cells;
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