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KMID : 1020220170170030493
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Journal of Korean Society of Dental Hygiene
2017 Volume.17 No. 3 p.493 ~ p.504
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Antimicrobial activities of Ramaria botrytis (Fr.) against oral bacteria
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Kim Ki-Hwa
Han So-Ra
Kim Byeol-Lee
Jung Sang-Hee
Oh Tae-Jin
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Abstract
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Objectives: This study aimed to find out the antimicrobial activities of Ramaria botrytis (Fr.) extracts against oral pathogens.
Methods: The antimicrobial activities of Ramaria botrytis (Fr.) extracts were evaluated against oral pathogens by the disc diffusion assay, and the minimum inhibitory concentrations (MICs) of ethyl acetate extracts were determined by broth dilution method. The strains used in this study were Staphylococcus aureus, Streptococcus mutans, Streptococcus sanguinis, Streptococcus sobrinus, Streptococcus anginosus, Streptococcus ratti, Streptococcus criceti, Actinomyces israelii, Actinomyces viscosus and Aggregatibacter actinomycetemcomitans.
Results: The ethyl acetate extract of Ramaria botrytis (Fr.) effectively inhibited the growth of oral bacteria compared with acetone or ethanol extract. The ethyl acetate extract exhibited MIC values ranging from 3.75 to 15.00 mg/ml, and it showed antimicrobial activity against both Gram-positive and negative oral bacteria.
Conclusions: The ethyl acetate extracts from Ramaria botrytis (Fr.) showed the antimicrobial activities against ten oral bacteria. Thus, the extract of Ramaria botrytis (Fr.) may be considered as an effective natural antimicrobial agent for the prevention of oral pathogens.
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KEYWORD
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Antimicrobial activity, Growth inhibition, Minimum inhibitory concentration, Oral bacteria, Ramaria botrytis
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