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Antioxidant and Antimicrobial Activities of Fruiting Bodies of Phellinus gilvus Collected in Korea
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국내에서 수집된 마른진흙버섯 자실체의 항산화 및 항균 효과

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Type
Academic journal
Author
Journal
The Korean Society for Clinical Laboratory Science 대한임상검사과학회지 대한임상검사과학회지 제48권 제4호 KCI Accredited Journals
Published
2016.1
Pages
355 - 364 (10page)

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Antioxidant and Antimicrobial Activities of Fruiting Bodies of Phellinus gilvus Collected in Korea
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This study was initiated to evaluate the antioxidant and antimicrobial activities of methanol extract (ME) and hot water extract (HWE) obtained from the fruiting bodies of medicinal mushroom, Phellinus gilvus. The free radical scavenging activity of ME from P. gilvus on 1,1-diphenyl-2-pi-crylhydrazyl (DPPH) were 93.65% at 2 mg/mL, which was comparable with the positive control, butylated hydroxytoluene (BHT, 96.97%) at the same concentration. The ferrous ion-chelating ability of ME and HWE was significantly higher than that of BHT at all concentration levels. The antimicrobial assay of ME was performed against six bacteria and one species of fungus. ME exhibited antibacterial activity against 5 out of 6 bacteria: Staphylococcus aureus, Streptococcus mutans, Bacillus subtilis, Escherichia coli, and Pseudomonas aeruginosa; whereas, ME did not show antimicrobial activity against gram-negative bacterium Vibrio vulnificus and fungal species Candida albicans. The minimum inhibitory concentration (MIC) of ME against 5 strains of bacteria, such as S. aureus, S. mutans, B. subtilis, E. coli, and P. aeruginosa, was 100, 100, 50, 100, 200 mg/mL, respectively. The results suggest that good antioxidant and microbial activities of P. gilvus fruiting bodies might be used for natural antioxidant and antimicrobial agents.

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