Antimicrobial effects of butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT)
1987
Lim, C.M. | Kyung, K.H. | Yoo, Y.J. (King Sejong Univ., Seoul (Korea R.))
Butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) were tested for their effectiveness in inhibiting the growth of microorganisms. Among the test microorganisms, the growth of three yeasts (Saccharomyces cerevisiae, Kloeckera apiculata, Cryptococcus hungaricus), three bacteria (Bacillus subtilis, Lactobacillus casei, Escherichia coli) and two molds (Aspergillus oryzae, Penicillium sp.) was progressively decreased as concentrations of BHA were increased. A. oryzae was completely inhibited with 100ppm of BHA and a majority of the test microorganisms (S. cerevisiae, K. apiculata, C. hungaricus, B. subtilis, A. oryzae) were completely inhibited by 150 ppm of BHA. The growths of L. casei, E. coli and Penicillium sp. were not affected as much as those of other microorganisms by BHA. Final cell yields were becoming lower as the concentration of BHA increased. The growth of C. hungaricus and L. cas0743ei was slightly inhibited by BHT. Other microorganisms were not affected by the test concentrations of
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