1989
DOI: 10.1271/bbb1961.53.2307
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Antibacterial substances in japanese green tea extract against Streptococcus mutans, a cariogenic bacterium.

Abstract: An extract of Japanese green tea, one of the most popular drinks in Japan, was an inhibitor of the growth of Streptococcus mutans, a bacterium responsible for causing dental caries. The analysis of the extract revealed that the main antibacterial componentsof the extract were several polyphenolic compounds, especially gallocatechin (GC), epigallocatechin (EGC), and epigallocatechin gallate (EGCg). GC was the most active component and its minimum inhibitory concentration against the bacterium was around 250 ug … Show more

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Cited by 259 publications
(191 citation statements)
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“…Sakanaka et al (1989) found about 50 to 100 mg of polyphenols in a cup (100 mL) of green tea, while Dalluge & Nelson (2000) reported an average value of 60 mg/g (ranging from 9 to 117 mg/g), depending on the origin of tea.…”
Section: Resultsmentioning
confidence: 99%
“…Sakanaka et al (1989) found about 50 to 100 mg of polyphenols in a cup (100 mL) of green tea, while Dalluge & Nelson (2000) reported an average value of 60 mg/g (ranging from 9 to 117 mg/g), depending on the origin of tea.…”
Section: Resultsmentioning
confidence: 99%
“…Each bacterium was inoculated into the medium at a density of 10 5 cells/ml, and the minimum inhibitory concentration (MIC) of the substances isolated from lemon peel was determined using the tubedilution technique (Sakanaka et al 1989). …”
Section: Methodsmentioning
confidence: 99%
“…Minimum inhibisyon konsantrasyonu 250 mg/mL civarındadır [42]. Verilerin analiz edilmesi sonucunda laktoz içeren steviosid tatlandırıcılarının dentin için karyojenik olduğu belirtilmiştir.…”
Section: Dental Plak Oluşumunda Gıdaların Etkisiunclassified