The in vitro antimicrobial activity of Amomum subulatum and Elettaria cardamomum fruit extracts were studied against Streptococcus mutans, Staphylococcus aureus, Lactobacillus acidophilus, Candida albicans and Saccharomyces cerevisiae. The acetone, ethanol and methanol extracts of the selected plants exhibited antimicrobial activity against all tested microorganism except L. acidophilus. The most susceptible microorganism was S.aureus followed by S.mutans, S.cerevisiae and C.albicans in case of Amomum subulatum while in the case of Elettaria cardamomum; S.aureus was followed by C.albicans, S. cerevisiae and S.mutans. The largest mean zone of inhibition was obtained with the ethanolic extract of A. subulatum and acetonic extract of E.cardamomum against Staphylococcus aureus (16.32mm and 20.96mm respectively). Minimum inhibitory concentrations (MIC) of the extracts were also determined against the four selected microorganisms showing zones of inhibition ≥10mm. This study depicts that ethanol and acetone extracts of fruits of Amomum subulatum and Elettaria cardamomum can be used as a potential source of novel antimicrobial agents used to cure dental caries.
Aneja, K. R. and Joshi, Radhika
"Antimicrobial Activity of Amomum subulatum and Elettaria cardamomum Against Dental Caries Causing Microorganisms,"
Ethnobotanical Leaflets: Vol. 2009
, Article 3.
Available at: http://opensiuc.lib.siu.edu/ebl/vol2009/iss7/3