Microbiocidal formulation comprising essentials oils or their derivatives
AssigneeState of Israel, Ministry of Agriculture and Rural Development Agricultural Research Organization, Volcani Center
InventorShimshon Ben-Yehoshua
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Abstract
The present invention deals with a microbiocidal aqueous formulation comprising: (i) an effective amount of at least one essential oil component, or derivatives thereof, said derivatives thereof obtained by exposure to light or by oxidation, or mixtures thereof; and (ii) at least one additional stabilizer selected from the group consisting of ethanol in an amount of from 10% to about 50%, an emulsifier, an antioxidant, or an encapsulating agent. The invention is further directed to a method for inhibiting microbial development using said microbiocidal aqueous formulation.
Claims13
A microbiocidal aqueous formulation, comprising:
- an aqueous formulation consisting of:
- (i) at least one essential oil component or derivative thereof present in a microbiocidal effective amount, the derivative thereof being obtained by exposure to light or by oxidation or a mixture thereof;
- (ii) at least one stabilizer selected from the group consisting of:
- (a) an antioxidant, selected from the group consisting of butylated hydroxyanisole (BHA), ascorbic acid, butylated hydroxytoluene (BHT) isoascorbic acid, α-tocopherol, β-carotene, or mixtures thereof;
- and
- (b) an encapsulating agent selected from the group consisting of cornstarch, maltodextrin, silica gel, β-cyclodextrin, casein, chitosan and mixtures thereof;
- (iii) an aqueous solvent;
- and
- (iv) optionally an additional biocide,
- wherein the microbiocidal aqueous formulation does not comprise ethanol;
- and wherein when the at least one essential oil component or derivative thereof comprises citral, the citral is present at a concentration of from about 0.1% to about 1% v/v.
A method for inhibiting microbial development on a surface comprising the application to a surface of an effective amount of an aqueous formulation consisting of:
- i) at least one essential oil component or derivative thereof present in a microbiocidal effective amount, the derivative thereof being obtained by exposure to light or by oxidation or a mixture thereof;
- (ii) at least one stabilizer selected from the group consisting of:
- (a) an antioxidant, selected from the group consisting of butylated hydroxyanisole (BHA), ascorbic acid, butylated hydroxytoluene (BHT) isoascorbic acid, α-tocopherol, β-carotene, or mixtures thereof;
- and
- (b) an encapsulating agent selected from the group consisting of cornstarch, maltodextrin, silica gel, β-cyclodextrin, casein, chitosan and mixtures thereof;
- (iii) an agueous solvent;
- and
- (iv) optionally an additional biocide,
- wherein the microbiocidal aqueous formulation does not comprise ethanol;
- and wherein when the at least one essential oil component or derivative thereof comprises citral, the citral is present at a concentration of from about 0.1% to about 1% v/v.
Dependencies are inferred from the claim text.