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微生物学通报 2010
Thermophilin ST9, a New Bacteriocin Produced by Streptococcus thermophilus CGMCC 1.1864
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Abstract:
In this study,antimicrobial activity of the culture supernatant of Streptococcus thermophilus CGMCC 1.1864 was investigated with the agar diffusion method.The subsequent experiments results indicated the antimicrobial activity of the supernatant were not due to the existence of hydrogen peroxide and organic acid in the solution.The antimicrobial spectrum assays showed that the supernatant could inhibit the growth of both Gram-negative bacteria and Gram-positive bacteria.Heat stability test was also performe...