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KMID : 0364820070430030227
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Korean Journal of Microbiology
2007 Volume.43 No. 3 p.227 ~ p.231
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Screening of the Natural Plant Extracts for the Antimicrobial Activity on Dental Pathogens
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Baek Dong-Heon
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Abstract
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Many of antimicrobial components used in the mouthwash have disadvantages such as coloring of periodontal tissue and burning sensation. To find the more biocompatible antimicrobial agent, we have screened the 2,125 kinds of natural plant extracts obtained from by the Plant Extract Bank (Daejeon, Korea). The antimicrobial activity was determined by spectrophotometric growth inhibition assay for the major dental pathogens. For the Porphyromonas gingivalis, 19 plant extracts had an antimicrobial activity, 17 plant extracts for the Prevotella intermedia, 45 plant extracts for the Haemophilus actinomycetemcomitans and 85 plant extracts for the Streptococcus mutans. Among these effective extracts, 8 kind of natural plant extracts had an antimicrobial activity for more than 3 species of dental pathogens. In our experiment, Cudrania tricuspidata, Morus bombycis and Mallotus japonicas have antibacterial effects on the all kinds of major dental pathogens. Therefore these plant extracts have a possibility to be a candidate for major antibacterial components in dental products.
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KEYWORD
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antimicrobial activity, dental pathogen, plant extract
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