论文信息 - THE SELECTIVE ACTION OF THALLOUS ACETATE FOR LACTOBACILLI

THE SELECTIVE ACTION OF THALLOUS ACETATE FOR LACTOBACILLI

SUMMARY: The effect of thallous acetate has been examined on the growth of 23 strains of lactobacilli representing 13 different species. All strains grew satisfactorily in both broth and agar media containing 0.1% of thallous acetate. Of the 18 other organisms also examined the growth of the streptococci was unsuppressed, staphylococci, a micrococcus, B. licheniformis and Pr. mirabilis were partially inhibited and strains of Bact. coli, B. cereus, Chr. prodigiosum and Ps. fluorescens were almost completely inhibited by that concentration. By its use a valuable selective medium for isolating lactobacilli from natural habitats of mixed flora was obtained, other organisms, with the exception of streptococci, being almost completely eliminated.

M. E. Sharpe

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