Sodium benzoate
from class: Microbiology Definition Sodium benzoate is a chemical compound widely used as a preservative in food and pharmaceuticals. It inhibits the growth of bacteria, yeast, and fungi by altering their internal pH.
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Predict what's on your test 5 Must Know Facts For Your Next Test Sodium benzoate is effective in acidic conditions with a pH less than 7. It works by disrupting the microbial cellular respiration process. Commonly used concentrations are between 0.1% to 0.5% in food products. It is often combined with other preservatives for enhanced antimicrobial efficacy. Sodium benzoate can convert to benzene, a known carcinogen, under certain conditions, such as high heat and presence of vitamin C. Review Questions In what type of environment is sodium benzoate most effective? What is the primary mechanism by which sodium benzoate controls microbial growth? Why might sodium benzoate be combined with other preservatives? "Sodium benzoate" also found in:
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