Radioprotective Effect of Extracts from Plants Indigenous to Korea
Kang Kyoung-Ah;Zhang Rui;Chae Sung-Wook;Piao Mei Jing;Shin Tae-Kyun;Lee Nam-Ho;Park Jae-Woo;Hyun Jin-Won;
ABSTRACT
We have screened the cytoprotective effect on $gamma$-ray radiation induced oxidative stress from eighteen Korean plant extracts. Querus salicina, Clerodendron trichotomum, Lamium amplexicaule, Lozoste lancifolia and Malus baccata were found to scavenge 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical and intracellular reactive oxygen species (ROS). As a result, extracts of these plants reduced cell death of Chinese hamster lung fibroblast (V79-4) cells induced by $H_2O_2$ treatment. In addition, these extracts protected cell death of V79-4 cells damaged by $gamma$-ray radiation. In addition, these extracts scavenged ROS generated by radiation. Taken together, the results suggest that Quercus salicina, Clerodendron trichotomum, Lamium amplexicaule, Lozoste lancifolia and Malus baccata protect V79-4 cells against oxidative damage by radiation through scavenging ROS.
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