• Title/Summary/Keyword: Dryopteris rhizoma

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Antimicrobial Activity of Dryopteris rhizoma against Some Food Spoilage Microorganisms (일부 식품부패성 미생물에 대한 관중의 항균활성)

  • 곽이성;김미주;안대진;이종철
    • Journal of Food Hygiene and Safety
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    • v.15 no.1
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    • pp.36-40
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    • 2000
  • This study was carried out to know the active faction of Dryopteris rhizoma on antimicrobial activity against some food spoilage microorganisms. Also, antimicrobial activities were investigated for the aqueous and ethanolic extracts of four herbs such as Teminaliae fructus, Eugeniae flos, Salviae miltior-rhizae radix and Dryopteris rhizoma. Antimicrobial activities of three herbs except for Terminaliae fructus showed higher activities in 75% ethanolic extracts than in aqueous extract. Ethanolic extract of Dryopteris rhizoma showed the highest antimicrobial activity among extracts of four herbs. Antimicrobial activity intensities of solvent fractions of Dryopteris rhizoma extracted by 75% ethanol were order to CHC1$_3$fraction>EtOAc fraction >BuOH fraction>$H_2O$ fraction. The CHC1$_3$, EtOAc and BuOH fractions also inhibited growth of food spoilage microorganisms as the concentration increased, respectively. In case of EtOAc fraction, 1000 ppm of fraction almost inhibited completely the growth of microorganisms tested.

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Antimicrobial effect of Ethanol Extract from Dryopteris crassirhizoma against Streptococcus mutans (Streptococcus mutans에 대한 Dryopteris crassirhizoma 에탄올 추출물의 항균효과)

  • Eum, Jin-Seong
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2010.10a
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    • pp.657-659
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    • 2010
  • Rhizoma of Dryopteris crassirhizoma, Root of Glycyrrhiza uralensis, Root of Sophora flavescens and Pericarp of Citrus unshiu were extracted with ethanol. The ethanol extracts of 4 medicinal plant were tested for the antimicrobial activity against Streptococcus mutans. The extracts of Rhizoma of Dryopteris crassirhizoma, Root of Sophora flavescens, Root of Glycyrrhiza uralensis showed antimicrobial activity against Streptococcus mutans. At the 300ug/disk concentration of the ethanol extract from Dryopteris crassirhizoma and Sophora flavescens showed significant antimicrobial activity against Streptcoccus mutans. These results suggested that the extracts from Dryopteris crassirhizoma could be the potential source of antimicrobial agents against S. mutans.

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Screening of Herbal Plant extracts Showing Antimicrobial Activity against Some Food Spoilage and Pathogenic Microorganisms (일부 식품 부패성 및 병원성 미생물에 대해 항균활성을 나타내는 생약자원의 검색)

  • Ahn, Dae-Jin;Kwak, Yi-Seong;Kim, Mi-Ju;Lee, Jong-Chul;Shin, Chang-Sik;Jeong, Kee-Taeg
    • Korean Journal of Medicinal Crop Science
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    • v.8 no.2
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    • pp.109-116
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    • 2000
  • This study was carried out to screen herbs among herbal plants showing antimicrobial activity against some food spoilage and pathogenic microorganisms. One hundred fifteen kinds of herbal plants were extracted by 70% ethanol, and then they have been screened for antimicroorganisms. Six herbal plants such as Salviae radix, Dryopteris rhizoma, Terminaliae fructus, Araliae radix, Psoraleae fructus and Schisandrae fructus showed strong antimicrobial activities against Bacillus subtilis. Antimicrobial activities were showed in Anemarrhena radix and Dryopteris rhizoma on Candida albicans, and in Anemarrhenae radix, Dryopteris rhizoma and Polygalae radix on Schizosaccharomyces sp. It was revealed that eight herbal plants such as Dryopteris rhizoma, Salviae radix, Sappan ligunum, Sinomeniae radix, Schisandrae fructus, Rhui fructus, Sophorae radix and Inulae radix also showed antimicrobial activities on Streptococcus mutans. In addition, Anemarrhena radix, Curcuma tuber, Inulae radix, Polygonum radix, Sanguisorbae radix, Scutellariae radix and Terminaliae fructus and showed antimicrobial activities on Trichophyton mentagrophytes. Four kinds of herbal plants such as Dropteris rhizoma, Salviae radix, Terminaliae fructus and Scutellariae radix which showed broad antimicrobial spectrums were mixed by 1 : 1 ratio with the other herbal paints showing relatively strong microbial activities such as Terminaliae fructus, Sinomeniae radix and Scutellariae radix etc. The extracts of mixed herbal paints showed higher antimicrobial activities than those of single herbal plant.

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Isolation of the Antibacterial Constituents from Crassirhizomae Rhizoma and Evaluation of Activity (관중의 항균성물질 분리 및 충치균에 대한 항균력 평가)

  • Do, Dong-Seon;Min, Byeong-Seon;Bae, Gi-Hwan
    • YAKHAK HOEJI
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    • v.40 no.4
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    • pp.478-481
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    • 1996
  • Two constituents were isolated as the antibacterial principles from the methanolic extract of Crassirhizomae Rhizoma against Streptococcus mutans OMZ176 which is known to be a strong cariogenic bacterium. They were identified as flavaspidic acid PB and flavaspidic acid AB by means of physicochemical methods. They exhibited strong antibacterial activity and the minimal inhibitory concentration(MIC) value was 6.3${\mu}g$/ml

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