Sodium Benzoate yog qhov ua tau zoo tshaj plaws hauv acidic tej yam kev mob (pH qis dua 4.5). Nyob rau hauv ib qho chaw acidic, nws converts rau nws daim ntawv nquag, benzoic acid. Benzoic acid tuaj yeem nkag mus rau hauv cov microbial. Nyob rau hauv nruab puag ncig ib puag ncig sab hauv lub hlwb, nws ionizes thiab acidififies sab hauv, kev cuam tshuam cov khoom nqus thiab enzyme muaj nuj nqi, yog li tiv thaiv microbial kev loj hlob.
