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In this study,an antimicrobial component(RTCI)was purified from the skin of Rana temporaria chensinensis,David.Antimicrobial activities of RTCI against clinical multi-drug resistant bacterial strains,including Escherichia coli,Pseudomonas aeruginosa,Staphylococcus aureaus,Klebsiella oxytoca,Klebsiella pneumoniae,Enterococcus faecalis,and Proteus mirabilis were measured in vitro by means of minimal inhibitory concentration and time-kill studies.The results indicate that RTCI could inhibit the growth of these bacteria at a proper concentration and suggest that RTCI shows a better antimicrobial activity to Gram-negative bacterial strains than to Gram-positive bacterial strains.
In this study, an antimicrobial component (RTCI) was purified from the skin of Rana temporaria chensinensis, David. Antimicrobial activities of RTCI against clinical multi-drug resistant bacterial strains, including Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureaus, Klebsiella oxytoca, Klebsiella pneumoniae , Enterococcus faecalis, and Proteus mirabilis were measured in vitro by means of minimal inhibitory concentration and time-kill studies. The results indicate that that RTCI could inhibit the growth of these bacteria at a proper concentration and suggest that RTCI shows a better antimicrobial activity to Gram Negative bacterial strains than to Gram-positive bacterial strains.