Abstract
The aim of this study was to evaluate the antioxidant properties of an edible lichen Ramalina conduplicans. The extract exhibited potent anti-linoleic acid peroxidation activity, free radical-scavenging activity, and reducing power. The total phenolic contents were found to be high in the extract. Activity-guided bioautographic thin layer chromatography (TLC) and HPLC identified sekikaic acid and homosekikaic acid as the main free radical-scavenging compounds in R. conduplicans extract (IC50 [50% inhibition concentration] = 0.082 and 0.276 mg/ml, respectively). The results suggested that this edible lichen species have the potential to be utilized as food additives or as protective drugs.
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Acknowledgments
This work was supported by a grant from the Korea National Research Resource Center Program (Grant 20090062634) and also by a Korea Research Foundation Grant funded by the Korean Government (MOEHRD, Basic Research Promotion Fund) (KRF-2007-313-C00669).
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Luo, H., Wei, X., Yamamoto, Y. et al. Antioxidant activities of edible lichen Ramalina conduplicans and its free radical-scavenging constituents. Mycoscience 51, 391–395 (2010). https://doi.org/10.1007/s10267-010-0048-5
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DOI: https://doi.org/10.1007/s10267-010-0048-5