Abstract
Phytoalexins, defensive compounds produced by plants against microbial infections, were purified fromSophora exigua (Leguminosae) and their growth inhibitory effects on oral cariogenic bacteria were determined in vitro. Among three isolated compounds, 5,7,2′,4′-tetrahydroxy-8-lavandulylflavanone completely inhibited the growth of oral bacteria including primary cariogenic mutans streptococci, other oral streptococci, actinomycetes, and lactobacilli, at concentrations of 1.56 to 6.25 μg/ml.
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Tsuchiya, H., Sato, M., Iinuma, M. et al. Inhibition of the growth of cariogenic bacteria in vitro by plant falvanones. Experientia 50, 846–849 (1994). https://doi.org/10.1007/BF01956469
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DOI: https://doi.org/10.1007/BF01956469