Antimicrobial effect of monolauroylglycerol and lauric acid in model emulsion system
1999
Plockova, M. | Filip, V. | Smidrkal, J. | Rihakova, Z. (Vysoka Skola Chemicko-technologicka, Prague (Czech Republic). Ustav Technologie Mleka a Tuku)
Antimicrobial effectiveness of monolauroylglycerol (monolaurin) and lauric acid against Bacillus subtilis LCC 666, Escherichia coli DBM 3104 and Penicillium expansum DBM 4061 were studied using of two agar diffusion assays and confirmed by the testing of the surviving microbial cells in water-in-oil emulsion with monolauroylglycerol and lauric acid. By using agar spot on lawn diffusion assay , which were more sensitive than the agar well diffusion assay, the values of MIC of monolauroylglycerol (MIC-MGL) and lauric acid (MIC-LA) for Bacillus subtilis LCC 666 M-MGL = 50 microg/ml, MIC-LA= 50 microg/ml, for Escherichia coli DBM 3104 MIC-MGL = 500 microg/ml, MIC-LA= 5000 microg/ml and for Penicillium expansum DBM 4061 MIC-MGL =50 microg/ml, MIC-LA=500 microg/ml were evaluated.
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