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Antioxidative Effect and Neuraminidase Inhibitory Activity of Polyphenols Isolated from a New Korean Red Waxy Sorghum (Sorghum bicolor L. cv. Hwanggeumchalsusu)
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  • Journal title : Journal of Life Science
  • Volume 25, Issue 7,  2015, pp.786-794
  • Publisher : Korean Society of Life Science
  • DOI : 10.5352/JLS.2015.25.7.786
 Title & Authors
Antioxidative Effect and Neuraminidase Inhibitory Activity of Polyphenols Isolated from a New Korean Red Waxy Sorghum (Sorghum bicolor L. cv. Hwanggeumchalsusu)
Ra, Ji-Eun; Seo, Kyung Hye; Ko, Jee Yeon; Lee, Mi-Ja; Kang, Hyeon Jung; Kim, Sun Lim; Chung, Ill-Min; Seo, Woo Duck;
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To identify nutritional and therapeutic properties of the new Korean red waxy sorghum cultivar ‘Hwanggeumchalsusu (HGC)’, we assayed the antioxidative effects and neuraminidase inhibitory activity. A methanol and 70% ethanol extract of HGC exhibited strong antioxidative effects (IC50 values of 83.2±2.7 for DPPH) and 85.6±2.4 μg/ml for ABTS) and neuraminidase (ND) inhibitory activity (IC50 values of 1.8±0.1 from extracted with methanol and 3.4±0.1 μg/ml from extracted with 70% ethanol) compared with that of the control, noncolored sorghum cultivar ‘Huinchalsusu (HC)’ (IC50> 200 μg/ml). We isolated nine polyphenols, Gallic acid (1), Protocatecuic acid (2), p-Hydroxy benzoic acid (3), Vanillic acid (4), Caffeic acid (5), Ferulic acid (6), Luteolinidin (7), Apigeninidin (8), Luteolin (9), from the HGC - methanol extract, to determine whether they were the active components Luteolinidin of one kind of polyphenols from the HGC, exhibited significant antioxidative effects (IC50 values of 10.9±0.5 μM for DPPH and 8.6 0.6 μM for ABTS) and neuraminidase (ND) inhibitory activity (IC50 values of 26.3±0.6) showed noncompetitive inhibition model. The binding affinity of the ND inhibitors in molecular docking experiments correlated with their ND inhibitory activities. These results suggest that HGC may be utilized to serve as a potential effective antioxidant and inhibitor of ND.
Antioxidative effect;apigeninidin;luteolinidin;neuraminidase inhibitor;Sorghum bicolor L.;
 Cited by
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