Compositions for controlled release of active ingredients and methods of making same

Abstract

Compositions for controlled release of active ingredients and methods of making same are generally provided. In some embodiments, the composition comprises an active ingredient and a delivery material. In some embodiments, the composition comprises a volatile or gaseous active ingredient useful for applications in at least one of agriculture, pest control, odor control, and food preservation. In some embodiments, the active ingredient is a cyclopropene. In some embodiments, the active ingredient is an essential oil, a terpene, or a terpenoid. In some embodiments, the delivery material is a carbon material or a silicate material.

1 - 150 . (canceled) 
     
     
         151 . A composition, comprising:
 at least one active ingredient; and   a porous and solid delivery material comprising silica and having a surface area greater than 0.01 m 2 /g and configured to release the at least one active ingredient;   wherein the at least one active ingredient comprises limonene, carvone, thymol, hexanal, carvacrol, eugenol, eucalyptol, menthol, farnesol, vitamin A, vitamin C, vitamin E, fumaric acid, citric acid, sorbic acid, succinic acid, propionic acid, acetic acid, salicylic acid, methyl jasmonate, oregano oil, clove oil, lemongrass oil, peppermint oil, acacia oil, dill oil, neem oil, orange peel oil, lemon peel oil, rosemary oil, bay leaf oil, thyme oil, a cumin seed extract, a tea extract, and/or a Fenugreek extract.   
     
     
         152 . The composition of  claim 151 , wherein the delivery material comprises pores, and wherein the at least one active ingredient is present in at least some of the pores. 
     
     
         153 . The composition of  claim 151 , incorporated into a structure or form factor comprises one or more of a sachet, an insert, a gel, a coating, a powder, a pellet, a film, a sheet, a flake, a non-woven material, a woven material, a knitted material, a paint, a coating, a paper, a cardboard, a paper derivative, a fabric, a fiber, a film, a cloth, a wood, a clay, a pulp, or a plastic. 
     
     
         154 . The composition of  claim 151 , wherein the delivery material has a total chemical surface area, internal and external, greater than 1 m 2 /g. 
     
     
         155 . The composition of  claim 151 , wherein the delivery material has a total chemical surface area, internal and external, greater than 500 m 2 /g. 
     
     
         156 . The composition of  claim 151 , wherein the delivery material has a surface area between 1 m 2 /g and 3000 m 2 /g. 
     
     
         157 . The composition of  claim 151 , wherein the at least one active ingredient comprises and/or is a component of an essential oil and/or an essential oil extract present in the delivery material. 
     
     
         158 . The composition of  claim 151 , wherein the at least one active ingredient comprises clove oil. 
     
     
         159 . The composition of  claim 151 , wherein the at least one active ingredient comprises lemongrass oil. 
     
     
         160 . The composition of  claim 151 , wherein the at least one active ingredient comprises peppermint oil. 
     
     
         161 . The composition of  claim 151 , wherein the at least one active ingredient comprises farnesol. 
     
     
         162 . The composition of  claim 151 , wherein the at least one active ingredient comprises lemon peel oil. 
     
     
         163 . The composition of  claim 151 , wherein the at least one active ingredient comprises Fenugreek extract. 
     
     
         164 . The composition of  claim 151 , wherein the at least one active ingredient comprises carvone. 
     
     
         165 . The composition of  claim 151 , wherein the at least one active ingredient comprises carvacrol. 
     
     
         166 . The composition of  claim 151 , wherein the at least one active ingredient comprises hexanal. 
     
     
         167 . The composition of  claim 151 , wherein the active ingredient comprises thymol. 
     
     
         168 . The composition of  claim 151 , wherein the at least one active ingredient comprises limonene. 
     
     
         169 . The composition of  claim 151 , wherein the at least one active ingredient comprises eugenol. 
     
     
         170 . A method, comprising:
 releasing at least one active ingredient from a porous and solid delivery material comprising silica material and having a surface area greater than 0.01 m 2 /g;   wherein the at least one active ingredient comprises limonene, carvone, thymol, hexanal, carvacrol, eugenol, eucalyptol, menthol, farnesol, vitamin A, vitamin C, vitamin E, fumaric acid, citric acid, sorbic acid, succinic acid, propionic acid, acetic acid, salicylic acid, methyl jasmonate, oregano oil, clove oil, lemongrass oil, peppermint oil, acacia oil, dill oil, neem oil, orange peel oil, lemon peel oil, rosemary oil, bay leaf oil, thyme oil, a cumin seed extract, a tea extract, and/or a Fenugreek extract.   
     
     
         171 . The method of  claim 170 , wherein the delivery material comprises pores, and wherein the at least one active ingredient is present in at least some of the pores prior to the releasing. 
     
     
         172 . The method of  claim 170 , incorporated into a structure or form factor comprises one or more of a sachet, an insert, a gel, a coating, a powder, a pellet, a film, a sheet, a flake, a non-woven material, a woven material, a knitted material, a paint, a coating, a paper, a cardboard, a paper derivative, a fabric, a fiber, a film, a cloth, a wood, a clay, a pulp, or a plastic. 
     
     
         173 . The method of  claim 170 , wherein the delivery material has a total chemical surface area, internal and external, greater than 1 m 2 /g. 
     
     
         174 . The method of  claim 170 , wherein the delivery material has a total chemical surface area, internal and external, greater than 500 m 2 /g. 
     
     
         175 . The method of  claim 170 , wherein the delivery material has a surface area between 1 m 2 /g and 3000 m 2 /g. 
     
     
         176 . The method of  claim 170 , wherein the at least one active ingredient comprises and/or is a component of an essential oil and/or an essential oil extract present in the delivery material. 
     
     
         177 . The method of  claim 170 , wherein the at least one active ingredient comprises clove oil. 
     
     
         178 . The method of  claim 170 , wherein the at least one active ingredient comprises lemongrass oil. 
     
     
         179 . The method of  claim 170 , wherein the at least one active ingredient comprises peppermint oil. 
     
     
         180 . The method of  claim 170 , wherein the at least one active ingredient comprises farnesol. 
     
     
         181 . The method of  claim 170 , wherein the at least one active ingredient comprises lemon peel oil. 
     
     
         182 . The method of  claim 170 , wherein the at least one active ingredient comprises Fenugreek extract. 
     
     
         183 . The method of  claim 170 , wherein the at least one active ingredient comprises carvone. 
     
     
         184 . The method of  claim 170 , wherein the at least one active ingredient comprises carvacrol. 
     
     
         185 . The method of  claim 170 , wherein the at least one active ingredient comprises hexanal. 
     
     
         186 . The method of  claim 170 , wherein the active ingredient comprises thymol. 
     
     
         187 . The method of  claim 170 , wherein the at least one active ingredient comprises limonene. 
     
     
         188 . The method of  claim 170 , wherein the at least one active ingredient comprises eugenol. 
     
     
         189 . The method of  claim 170 , further comprising exposing produce to the released at least one active ingredient.