Methods for washing and processing fruits, vegetables, and other produce with medium chain peroxycarboxylic acid compositions
First Claim
Patent Images
1. A method of reducing a microbial population in an aqueous stream used for transporting or processing food product, the method comprising:
- treating the aqueous stream with a medium chain peroxycarboxylic acid composition in amount and for time sufficient to reduce the microbial population;
the aqueous stream comprising;
about 2 to about 500 ppm peroxyoctanoic acid;
about 5 to about 2000 ppm octanoic acid;
about 95 to about 99.99 wt-% water; and
about 2 to about 23,000 ppm polyalkylene oxide, monoalkyl ether of polyalkylene oxide, dialkyl ether of polyalkylene oxide, nonionic surfactant, anionic surfactant, or mixture thereof;
the composition comprising at least about 2 parts by weight of peroxyoctanoic acid for each 7 parts by weight of octanoic acid.
2 Assignments
0 Petitions
Accused Products
Abstract
The present invention relates to methods employing compositions including medium chain peroxycarboxylic acid for reducing microbial contamination on fruit, vegetable, or other produce; in waters used to transport or process fruit, vegetable, or other produce; or on surfaces employed in transporting or processing fruit, vegetable, or other produce. The present invention also relates to the medium chain peroxycarboxylic acid compositions. The methods include applying a medium chain peroxycarboxylic acid composition to fruit, vegetable, or other produce; into waters used to transport or process fruit, vegetable, or other produce; or to surfaces employed in transporting or processing fruit, vegetable, or other produce.
129 Citations
9 Claims
-
1. A method of reducing a microbial population in an aqueous stream used for transporting or processing food product, the method comprising:
-
treating the aqueous stream with a medium chain peroxycarboxylic acid composition in amount and for time sufficient to reduce the microbial population;
the aqueous stream comprising;
about 2 to about 500 ppm peroxyoctanoic acid;
about 5 to about 2000 ppm octanoic acid;
about 95 to about 99.99 wt-% water; and
about 2 to about 23,000 ppm polyalkylene oxide, monoalkyl ether of polyalkylene oxide, dialkyl ether of polyalkylene oxide, nonionic surfactant, anionic surfactant, or mixture thereof;
the composition comprising at least about 2 parts by weight of peroxyoctanoic acid for each 7 parts by weight of octanoic acid.
-
-
2. A method of reducing a microbial population in an aqueous stream used for transporting or processing food product, the method comprising:
-
adding to the aqueous stream a medium chain peroxycarboxylic acid composition; and
reducing the microbial population in the aqueous stream;
the added medium chain peroxycarboxylic acid composition comprising;
about 0.0005 to about 5 wt-% peroxyoctanoic acid;
about 0.001 to about 10 wt-% octanoic acid;
about 5 to about 99.99 wt-% water;
about 0.001 to about 60 wt-% polyalkylene oxide, monoalkyl ether of polyalkylene oxide, dialkyl ether of polyalkylene oxide, nonionic surfactant, anionic surfactant, or mixture thereof;
about 0.002 to about 10 wt-% oxidizing agent;
about 0.001 to about 30 wt-% inorganic acid; and
about 0.001 to about 5 wt-% sequestrant;
the composition comprising at least about 2 parts by weight of peroxyoctanoic acid for each 7 parts by weight of octanoic acid.
-
-
3. A method of reducing a microbial population in an aqueous stream used for transporting or processing food product, the method comprising:
-
adding to the aqueous stream a medium chain peroxycarboxylic acid composition; and
reducing the microbial population in the aqueous stream;
the added medium chain peroxycarboxylic acid composition comprising;
about 0.5 to about 5 wt-% peroxyoctanoic acid;
about 1 to about 10 wt-% octanoic acid;
about 5 to about 97 wt-% water;
about 1 to about 20 wt-% anionic surfactant;
about 5 to about 10 wt-% oxidizing agent;
about 15 to about 35 wt-% inorganic acid; and
about 1 to about 5 wt-% sequestrant;
the composition comprising a microemulsion.
-
-
4. A method of reducing a microbial population in an aqueous stream used for transporting or processing food product, the method comprising:
-
adding to the aqueous stream a medium chain peroxycarboxylic acid composition; and
reducing the microbial population in the aqueous stream;
the added medium chain peroxycarboxylic acid composition comprising;
about 0.0005 to about 5 wt-% peroxyoctanoic acid;
about 0.001 to about 10 wt-% octanoic acid;
about 40 to about 99.99 wt-% water;
about 0.001 to about 60 wt-% polyalkylene oxide, monoalkyl ether of polyalkylene oxide, dialkyl ether of polyalkylene oxide, anionic surfactant, nonionic surfactant, or mixture thereof, or mixture thereof;
about 0.002 to about 10 wt-% oxidizing agent;
about 0.001 to about 30 wt-% inorganic acid; and
about 0.001 to about 5 wt-% sequestrant.
-
-
5. An antimicrobial concentrate composition comprising:
-
a medium chain peroxycarboxylic acid composition effective for reducing the microbial burden in an aqueous stream;
the composition comprising;
about 0.0005 to about 5 wt-% peroxyoctanoic acid;
about 0.001 to about 10 wt-% octanoic acid;
about 5 to about 99.99 wt-% water;
about 0.001 to about 60 wt-% polyalkylene oxide, monoalkyl ether of polyalkylene oxide, dialkyl ether of polyalkylene oxide, nonionic surfactant, anionic surfactant, or mixture thereof;
about 0.002 to about 10 wt-% oxidizing agent;
about 0.001 to about 30 wt-% inorganic acid; and
about 0.001 to about 5 wt-% sequestrant;
the composition comprising at least about 2 parts by weight of peroxyoctanoic acid for each 7 parts by weight of octanoic acid.
-
-
6. An antimicrobial concentrate composition comprising:
-
a medium chain peroxycarboxylic acid composition effective for reducing the microbial burden in an aqueous stream;
the composition comprising;
about 0.5 to about 5 wt-% peroxyoctanoic acid;
about 1 to about 10 wt-% octanoic acid;
about 5 to about 97 wt-% water;
about 1 to about 20 wt-% anionic surfactant;
about 5 to about 10 wt-% oxidizing agent;
about 15 to about 35 wt-% inorganic acid; and
about 1 to about 5 wt-% sequestrant;
the composition comprising a microemulsion.
-
-
7. An antimicrobial concentrate composition comprising:
-
a medium chain peroxycarboxylic acid composition effective for reducing the microbial burden in an aqueous stream;
the composition comprising;
about 0.0005 to about 5 wt-% peroxyoctanoic acid;
about 0.001 to about 10 wt-% octanoic acid;
about 40 to about 99.99 wt-% water;
about 0.001 to about 60 wt-% polyalkylene oxide, monoalkyl ether of polyalkylene oxide, dialkyl ether of polyalkylene oxide, anionic surfactant, nonionic surfactant, or mixture thereof, or mixture thereof;
about 0.002 to about 10 wt-% oxidizing agent;
about 0.001 to about 30 wt-% inorganic acid; and
about 0.001 to about 5 wt-% sequestrant.
-
-
8. A method of treating produce to reduce a microbial population on the produce, the method comprising applying to the produce a medium chain peroxycarboxylic acid composition;
the composition comprising;
about 2 to about 500 ppm peroxyoctanoic acid;
about 5 to about 2000 ppm octanoic acid;
about 95 to about 99.99 wt-% water; and
about 2 to about 23,000 ppm polyalkylene oxide, monoalkyl ether of polyalkylene oxide, dialkyl ether of polyalkylene oxide, nonionic surfactant, anionic surfactant, or mixture thereof;
the composition comprising at least about 2 parts by weight of peroxyoctanoic acid for each 7 parts by weight of octanoic acid.
-
9. -28. (canceled)
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeEcolab USA Incorporated (Ecolab, Inc.)
-
Original AssigneeEcolab, Inc.
-
InventorsMan, Victor Fuk-Pong, Magnuson, Joshua Paul
-
Granted Patent
-
Time in Patent OfficeDays
-
Field of Search
-
US Class Current252/186.100
-
CPC Class CodesA01N 2300/00 Combinations or mixtures of...A01N 25/30 characterised by the surfac...A01N 37/02 Saturated carboxylic acids ...A01N 37/16 containing the group; Thio ...A23B 7/154 Organic compounds; Microorg...A23L 3/3508 containing carboxyl groupsC11D 1/72 Ethers of polyoxyalkylene g...C11D 3/2079 Monocarboxylic acids-salts ...C11D 3/3945 Organic per-compounds C11D3...C11D 3/3947 Liquid compositionsC11D 3/48 Medical, disinfecting agent...
