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KMID : 0380619880200010023
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Korean Journal of Food Science and Technology
1988 Volume.20 No. 1 p.23 ~ p.27
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Combination Effects of Potassium Sorbate and Sodium Benzoate with Sodium Chloride on the Growth of Bacillus subtilis
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최언호/Choi, Eon Ho
조남숙/양여영/윤정해/Cho, Nam Sook/Yang, Yeo Young/Youn, Jung Hee
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Abstract
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In order to investigate the combined effect of potassium sorbate and sodium benzoate and the synergistic effect of sodium chloride on bacterial cell growth inhibition, Bacillus subtilis was cultured with or without shaking in tryptone-glucose-yeast extract broth containing 0.1 potassium sorbate and/or 0.03% sodium benzoat, which are equivalent to half of the maximum permissible levels, respectively. The combined treatment of the two preservatives did not show any synergistic effect of the growth inhibition of B. subtilis. Addition of 2 sodium chloride, however, showed remarkable synergistic effect on the growth inhibition of the bacterium by potassium sorbate.
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