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OALib Journal期刊
ISSN: 2333-9721
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Thermophilin ST9, a New Bacteriocin Produced by Streptococcus thermophilus CGMCC 1.1864
嗜热链球菌CGMCC 1.1864所产的一种新型细菌素ST9

Keywords: Streptococcus thermophilus,Bacteriocin,Purification,Antimicrobial activity,Antimicrobial spectrum
嗜热链球菌
,细菌素,纯化,抑菌活性,抑菌谱

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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...

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