Antimicrobial compositions for use on food products
An antimicrobial, composition technology, applied in detergent compositions, organic non-surface active detergent compositions, food science, etc.
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Embodiment 1
[0092] The following is an example of an octanoic acid composition for use in the method of the present invention, wherein the octanoic acid composition is activated by passage of a food product through a simulated shrink tunnel.
[0093] For this example, a solution of 1,000 ppm to about 10,000 ppm octanoic acid, about 1.0% to about 4.0% ethylene oxide / propylene oxide copolymer (Pluronic F108), and about 2.0 to about 6.0% propylene glycol is adjusted to pH1.0.
[0094] Table 1 Caprylic Acid Composition
[0095]
[0096] Final solution pH ~ 1.18
[0097] An aliquot mixture of five strains of Listeria monocytogenes including ATCC19112, ATCC19114, ATCC19115, ATCC7644 and NCTC10890 suspended in phosphate buffered dilution water was used as the inoculum. A 0.1 ml inoculum was placed on the RTE turkey breast, spread with a sterile bent glass rod, and stored at 5°C for 10 min to allow bacterial attachment. RTE turkey breasts were then sprayed with the antimicrobial composition...
Embodiment 2
[0102] The following example determines the effect of a 1.0% caprylic acid solution in reducing L. monocytogenes on RTE oven-roasted turkey breasts in which caprylic acid was activated by simulated food through a simulated submerged tunnel shrinker. For this example, a 1% aqueous solution of octanoic acid was prepared using 3% polysorbate 20 as a coupling agent, and then acidified with 2.55% citric acid. Four test solutions were prepared and the pH of each was adjusted to a different pH from pH 2 to pH 5 using up to 1.08% sodium hydroxide. An aliquot mixture of five strains of Listeria monocytogenes including ATCC19112, ATCC19114, ATCC19115, ATCC7644 and NCTC10890 suspended in phosphate buffered dilution water was used as the inoculum. Spot inoculate the sample surface with 50 microliters of the inoculum. Spread the inoculum with a sterile bent glass rod. Inoculated samples were stored at 5°C for 30 minutes to allow bacterial attachment before processing. Transfer the inocu...
Embodiment 3
[0107] The following examples determine the efficacy of caprylic acid solutions in killing Listeria monocytogenes on turkey frankfurters when used in the method of the present invention, wherein the caprylic acid combination is activated by passage of simulated food through an immersion tunnel shrinker things.
[0108] For this example, 990, 5,000 and 10,000 ppm octanoic acid solutions were prepared using sodium 1-octanesulfonate as the coupling agent and acidified using phosphoric acid. A 10,000 ppm octanoic acid solution was prepared with 1% caprylic acid, 1% 1-hydroxyacetal-1,1-diphosphoric acid, 1.25% sodium octane sulfonate, and acidified to pH 1.2 using phosphoric acid. A 5,000 ppm octanoic acid solution was prepared using 50% 10,000 ppm octanoic acid, 50% water, and a pH of 1.4. A 990 ppm octanoic acid solution was prepared using 9.9% 10,000 ppm octanoic acid, 89.42% water, and brought to a pH of 1.5 with 0.68% phosphoric acid. An aliquot mixture of five strains of Li...
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