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2004•Acta Academiae Medicinae ZunyiRequires access

Antibacterial activities of tea polyphenols to streptococcus mutans in vitro

Liang Wen

Open publisher page 1 citations

Abstract

Objective This study was aimed at observing the antibacterial activities of tea polyphenols on Streptococcus mutans. Methods The agar dilution method was used to determine the minimal inhitory concentration (MIC) of tea polyphenols against 34 clinical isolates of Streptococcus mutans. Results The MIC R of tea polyphenols on Streptococcus mutans was 500～4000mg/L, the MIC 50 was 1000mg/L and the MIC 90 was 2000mg/L. The different concentration of Streptococcus mutans (1×10 6CFU/ml and 1×10 8CFU/ml) had a slight effect on MIC. Conclusions Tea polyphenols has significant antibacterial effect on Streptococcus mutans.

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What this paper is about

Objective This study was aimed at observing the antibacterial activities of tea polyphenols on Streptococcus mutans. Methods The agar dilution method was used to determine the minimal inhitory concentration (MIC) of tea polyphenols against 34 clinical isolates of Streptococcus mutans. Results The MIC R of tea polyphenols on Streptococcus mutans was 500～4000mg/L, the MIC 50 was 1000mg/L and the MIC 90 was 2000mg/L. The different concentration of Streptococcus mutans (1×10 6CFU/ml and 1×10 8CFU/ml) had a slight effect on MIC. Conclusions Tea polyphenols has significant antibacterial effect on Streptococcus mutans.

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Available abstract

Objective This study was aimed at observing the antibacterial activities of tea polyphenols on Streptococcus mutans. Methods The agar dilution method was used to determine the minimal inhitory concentration (MIC) of tea polyphenols against 34 clinical isolates of Streptococcus mutans. Results The MIC R of tea polyphenols on Streptococcus mutans was 500～4000mg/L, the MIC 50 was 1000mg/L and the MIC 90 was 2000mg/L. The different concentration of Streptococcus mutans (1×10 6CFU/ml and 1×10 8CFU/ml) had a slight effect on MIC. Conclusions Tea polyphenols has significant antibacterial effect on Streptococcus mutans.

Key concepts: Streptococcus mutans, Polyphenol, Agar dilution, Agar Dilution Method, Chemistry, Streptococcus, Microbiology, Antibacterial activity

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