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  • Title: The effect of hydro alcoholic extract of seven plants on cariogenic bacteria--an in vitro evaluation.
    Author: Kermanshah H, Kamangar SS, Arami S, Kamalinegad M, Karimi M, Mirsalehian A, Jabalameli F, Fard MJ.
    Journal: Oral Health Dent Manag; 2014 Jun; 13(2):395-401. PubMed ID: 24984654.
    Abstract:
    AIM: To compare the antibacterial effect of hydro alcoholic extract of Salvia officinalis, Pimpinella anisum, Satureja hortensis, Rhus coriaria, Carum copticum, Mentha longifolia, Achillea millefolium against Streptococcus mutans, Lactobacillus rhamnosus and Actinomyces viscosus through two in vitro methods. METHODS: In this experimental study, hydro-alcoholic extracts have been prepared from the shoot of Salvia officinalis, Satureja hortensis, Mentha longifolia and Achillea millefolium, the seed of Pimpinella anisum and Carum copticum and the fruit of Rhus coriaria with maceration method. Their antibacterial activity against Streptococcus mutans, Lactobacillus rhamnosus and Actinomyces viscosus have been evaluated with broth macrodilution and agar diffusion methods. RESULTS: In Broth macrodilution method MIC (Minimum Inhibitory Concentration) of Pimpinella anisum, Salvia officinalis, Mentha longifolia, Achillea millefolium, Satureja hortensis, Carum copticum and Rhus coriaria for Streptococcus mutans were respectively 12.5, 6.25, 12.5, 50, 50, 12.5 and 50 μg/ml, for Lactobacillus rhamnosus 12.5, 1.56, 3.12, 12.5, 6.25, 6.25 and 6.25 μg/ml and for Actinomyces viscosus 50, 12.5, 100, 50, 100, 25 and 25 μg/ml. In Agar diffusion method Pimpinella anisum, Salvia officinalis and Rhus coriaria against Streptococcus mutans, Pimpinella anisum, Carum copticum and Rhus coriaria against Lactobacillus rhamnosus and Mentha longifolia, Rhus coriaria and Carum copticum against Actinomyces viscosus had antibacterial effects. CONCLUSION: All seven extracts had growth inhibitory effects on all three bacteria. Salvia officinalis had the greatest inhibitory effect on growth of all three bacteria. All of the extracts except Carum copticum had bactericidal effect in the range of concentration. By agar diffusion method Rhus coriaria had antibacterial effect against all three cariogenic bacteria.
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