A method for antimicrobial treatment (e.g. antimicrobial treatment of food packaging and equipment) comprising applying to microbes a composition containing a diluting solvent (e.g., water), an antimicrobially-active solvent having a density different from the density of the diluting solvent, and an
A method for antimicrobial treatment (e.g. antimicrobial treatment of food packaging and equipment) comprising applying to microbes a composition containing a diluting solvent (e.g., water), an antimicrobially-active solvent having a density different from the density of the diluting solvent, and an optional cosolvent, surfactant, or additional antimicrobial agent, wherein the amount of antimicrobially-active solvent or additional antimicrobial agent is sufficiently high and the amount of cosolvent or surfactant is sufficiently low so that the composition will provide greater than a 1-log order reduction in the population of bacteria or spores of Bacillus cereus within 10 seconds at 60° C. Preferred methods of the invention employ compositions containing an additional antimicrobial agent such as peroxyacetic acid. Compositions for use in the method can be prepared as concentrates, and used full strength or in diluted form.
대표청구항▼
1. A method of reducing the population of one or more microbe(s) in food packaging and/or food equipment comprising: applying to the food packaging and/or food equipment a composition comprising: diluting solvent;antimicrobially-active solvent having a density different from the density of the dilut
1. A method of reducing the population of one or more microbe(s) in food packaging and/or food equipment comprising: applying to the food packaging and/or food equipment a composition comprising: diluting solvent;antimicrobially-active solvent having a density different from the density of the diluting solvent and comprising ether, hydroxyether, C1-16 protonated carboxylic acid, or mixture thereof;additional antimicrobial agent comprising carboxylic acid, active oxygen compound, or mixture thereof; andoptional cosolvent, surfactant, or mixture thereof, wherein the amount of antimicrobially-active solvent or additional antimicrobial agent is sufficiently high and the amount of cosolvent or surfactant is sufficiently low so that the composition will provide greater than a 1-log order reduction in the population of spores or bacteria of Bacillus cereus within 10 seconds at 60° C. 2. A method according to claim 1 wherein the composition will also provide greater than a 1-log order reduction in the population of the mold Chaetomium funicola within 10 seconds at 60° C. 3. The method of claim 1, wherein the diluting solvent comprises water. 4. The method of claim 1, wherein the antimicrobially active solvent comprises ethylene glycol phenyl ether, propylene glycol phenyl ether 2-ethyl-1-hexanoic acid, butyric acid, octanoic acid, heptanoic acid, nonanoic acid, decanoic acid, or mixture thereof. 5. The method of claim 4, wherein the antimicrobially active solvent comprises 2-ethyl-1-hexanoic acid, butyric acid, octanoic acid, heptanoic acid, nonanoic acid, decanoic acid, or mixture thereof. 6. The method of claim 1, wherein the additional antimicrobial agent comprises butyric acid, heptanoic acid, octanoic acid, nonanoic acid, decanoic acid, or mixture thereof. 7. The method of claim 1, wherein the additional antimicrobial agent comprises peracid. 8. The method of claim 7, wherein the additional antimicrobial agent comprises peracetic acid, perheptanoic acid, peroctanoic acid, perdecanoic acid, or mixture thereof. 9. The method of claim 1, wherein the composition comprises surfactant and the surfactant comprises anionic surfactant. 10. The method of claim 9, wherein the anionic surfactant comprises C6-C24 alkylbenzene sulfonates, C6-C24 olefin sulfonates, C6-C24 paraffin sulfonates, cumene sulfonate, xylene sulfonate, C6-C24 alkyl naphthalene sulfonates, C6-C24 alkyl or dialkyl diphenyl ether sulfonates or disulfonates, C4-C24 mono or dialkyl sulfosuccinates, sulfonated or sulfated fatty acids, C6-C24 alcohol sulfates, C6-C24 alcohol ether sulfates having 1 to about 20 ethylene oxide groups, C4-C24 alkyl, aryl or alkaryl phosphate esters or their alkoxylated analogues having 1 to about 40 ethylene, propylene or butylene oxide units, or mixture thereof. 11. The method of claim 1, comprising applying the composition to a hard surface or soft surface of the food package or food equipment. 12. A method for antimicrobial treatment comprising applying to microbes a composition containing a diluting solvent, an antimicrobially-active solvent having a density different from the density of the diluting solvent, and an optional cosolvent, surfactant, or additional antimicrobial agent, wherein the amount of antimicrobially-active solvent or additional antimicrobial agent is sufficiently high and the amount of cosolvent or surfactant is sufficiently low so that the composition will provide greater than a 1-log order reduction in the population of spores or bacteria of Bacillus cereus within 10 seconds at 60° C. 13. A method according to claim 12 wherein the diluting solvent comprises water. 14. A method according to claim 12 wherein the composition comprises such additional antimicrobial agent. 15. A method according to claim 14 wherein the additional antimicrobial agent comprises an oxidizing or non-oxidizing compound selected from the group consisting of hydrogen peroxide, organic peroxides, peracids, carboxylic acids, carboxylic esters, active halogen compounds, sulfonic acids, iodo-compounds, phenolic derivatives, quaternary ammonium compounds, and mixtures thereof. 16. A method according to claim 12 wherein the composition will also provide greater than a 1-log order reduction in the population of the mold Chaetomium funicola within 10 seconds at 60° C. 17. A method according to claim 12 wherein the treatment comprises applying the composition to a hard surface, soft surface, porous surface, food substance or skin. 18. A method according to claim 12 wherein the treatment comprises applying the composition to food packaging and the composition will provide greater than a 3-log order reduction in the population of bacteria or spores of Bacillus cereus within 10 seconds at 60° C. 19. A method according to claim 18 wherein the food packaging is aseptic food packaging. 20. A method according to claim 12 wherein the treatment comprises applying the composition to hospital or surgical linens or garments and wherein the composition will provide greater than a 3-log order reduction in the population of bacteria or spores of Bacillus cereus within 10 seconds at 60° C. 21. A method according to claim 12 wherein the treatment comprises sanitizing a solution or hard surface and wherein the composition will provide greater than a 3-log order reduction within 10 seconds at 60° C. in the population of bacteria or spores of the Bacillus species in such solution or on such surface. 22. A method according to claim 12 wherein the treatment comprises disinfecting a hard surface and wherein the composition will provide greater than a 5-log order reduction within 10 seconds at 60° C. in the population of bacteria or spores of the Bacillus species on such surface. 23. A method according to claim 12 wherein the treatment acts as a sporicide in a solution or on a hard surface and wherein the composition will provide greater than a 5-log order reduction within 10 seconds at 60° C. in the population of bacteria or spores of the Bacillus species in such solution or on such surface. 24. A method according to claim 12 wherein the treatment comprises sterilizing a hard surface and wherein the composition will provide substantially complete elimination of the population of bacteria or spores of the Bacillus species on such surface. 25. A method according to claim 12 wherein the treatment comprises reducing microbial or viral populations on a surface or object or in a body or stream of water. 26. A method according to claim 12 wherein the treatment comprises a teat dip, hard surface cleaner, sanitizer, disinfectant, sterilizer, surgical garment treatment, ware wash, wash water treatment, bleach, laundry liquid, plant treatment or food treatment.
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