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http://dx.doi.org/10.4489/MYCO.2006.34.3.124

Antioxidative Activity of Lichen Thamnolia vermicularis in vitro  

Luo, Heng (Department of Environmental Sciences & Education)
Ren, Meirong (Department of Environmental Sciences & Education)
Lim, Kwang-Mi (Department of Environmental Sciences & Education)
Koh, Young-Jin (Department of Plant medicine, Sunchon National University)
Wang, Li-Song (Crytogamic Herbarium, Kunming Institute of Botany, Chinese Academy of Sciences)
Hur, Jae-Seoun (Department of Environmental Sciences & Education)
Publication Information
Mycobiology / v.34, no.3, 2006 , pp. 124-127 More about this Journal
Abstract
This study was aimed at evaluating the antioxidant activities of methanol extract of Thamnolia vermicularis. The antioxidant activity, reducing power, superoxide anion radical scavenging and free radical scavenging activities were studied. The antioxidant activity of the extract correlated with its concentration ($0.2{\sim}2\;mg/ml$) in the reaction mixtures containing linoleic acid. Upto 67% of lipid peroxidation was inhibited by 2 mg/ml of the lichen extract. The extract showed strong free radical scavenging activity similar to that of BRA (positive control) in a manlier of concentration dependent. The lichen extract also showed moderate effects on superoxide anoin scavenging activity and reducing power, which was not so effective as that of Quercetin and BHA used as positive controls. This study suggests that T. vermicularis lichen can be used as a novel source of natural antioxidant.
Keywords
Antioxidant activity; Free radical scavenging activity; Lichen extract; Natural antioxidant; Thamnolia vermicularis;
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