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J Ethnopharmacol. 1996 Nov;54(2-3):171-6.

Flavones with antibacterial activity against cariogenic bacteria.

Author information

1
Department of Oral Microbiology, Asahi University School of Dentistry, Gifu, Japan.

Abstract

Methanolic extracts obtained from 13 plants were studied for their antibacterial activity against cariogenic bacteria. Among them, the extract from Artocarpus heterophyllus showed the most intensive activity. Serial chromatographic purifications offered two active compounds which were identified as 6-(3-methyl-1-butenyl)-5,2',4'-trihydroxy-3-isoprenyl-7-methoxy flavone and 5,7,2',4'-tetrahydroxy-6-isoprenylflavone. Both isolates completely inhibited the growth of primary cariogenic bacteria at 3.13-12.5 micrograms/ml. They also exhibited the growth inhibitory effects on plaque-forming streptococci. These phytochemical isoprenylflavones would be potent compounds for the prevention of dental caries.

PMID:
8953432
[Indexed for MEDLINE]

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