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KMID : 0379120180460010051
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Korean Journal of Mycology
2018 Volume.46 No. 1 p.51 ~ p.57
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Antioxidant Properties of Water Extracts from Lentinula edodes Cultivars Grown on Oak Log
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Seo Soo-Young
Jang Yeong-Seon
Ryoo Rhim
Ka Kang-Hyeon
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Abstract
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We investigated the antioxidant activities of nine Lentinula edodes varieties cultivated on oak log. The total polyphenol content (TPC), total flavonoid content (TFC), and antioxidant properties of L. edodes (varieties: Dasanhyang, Chunbaegko, Poongnyunko, Soohyangko, Baekwhahyang, Chunjang 1ho, Chunjang 2ho, Sanlim 5ho, and Sanlim 7ho) were evaluated using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical-scavenging assay and the ferric reducing antioxidant power (FRAP) assay. The TPC and TFC of mushroom extracts ranged from 5.10 to 10.88 mg gallic acid equivalent (GAE)/g and 0.76 to 5.78 mg quercetin equivalent (QE)/g, respectively. In addition, mushroom extracts exhibited DPPH radical scavenging activity of 24.22~90.41%, 2.0 mg/mL and FRAP of 0.056~0.231, 2.0 mg/mL. The Chunbaegko variety showed the highest TPC (10.88 mg GAE/g), TFC (5.78 mg QE/g), DPPH activity (38.19~90.11%, 0.2~2.0 mg/mL), and FRAP (0.075~0.231, 0.2~2.0 mg/mL).
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KEYWORD
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Antioxidant activity, Lentinula edodes, Log cultivation
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