The present invention relates to the use of a lipidic phase comprising an oil and a lipophilic additive (LPA), which is suitable to make an oil-in-water emulsion by application of low energy or a manual operation. The lipidic phase contains a Lipophilic Additive (LPA) which forms self-assembly struc
The present invention relates to the use of a lipidic phase comprising an oil and a lipophilic additive (LPA), which is suitable to make an oil-in-water emulsion by application of low energy or a manual operation. The lipidic phase contains a Lipophilic Additive (LPA) which forms self-assembly structures inside the emulsion oil droplets. The aqueous phase contains a hydrophilic emulsifier and the lipidic and aqueous phases are mixed without using classical high shearing devices or homogenisers.
대표청구항▼
1. A process for preparing an oil-in-water emulsion, the process comprising mixing a lipidic phase with an aqueous phase by manual operation or using a low energy device, wherein the lipidic phase comprises: (i) an oil selected from the group consisting of mineral oils, hydrocarbons, vegetable oils,
1. A process for preparing an oil-in-water emulsion, the process comprising mixing a lipidic phase with an aqueous phase by manual operation or using a low energy device, wherein the lipidic phase comprises: (i) an oil selected from the group consisting of mineral oils, hydrocarbons, vegetable oils, waxes, alcohols, fatty acids, mono-, di-, tri-acylglycerols, essential oils, flavouring oils, lipophilic vitamins, esters, neutraceuticals, terpins, terpenes, and mixtures thereof, and(ii) a lipophilic additive (LPA) or mixtures of lipophilic and hydrophilic additives, having a resulting HLB value (Hydrophilic-Lipophilic Balance) lower than about 10, wherein the LPA content in the lipidic phase is between 0.25 wt-% and 84 wt-%,wherein the aqueous phase contains an emulsifier or an emulsion stabilizer, and wherein the emsulsion forms oil droplets having a diameter in the range of 5 nm to hundreds of micrometers which droplets exhibit nano-sized self-assembled structures with hydrophilic domains having a diameter in the range of 0.5 to 200 nm due to the presence of the LPA in the lipidic phase. 2. The process according to claim 1, wherein the LPA content in the lipidic phase is between 2.5 wt-% and 80 wt. 3. The process according to claim 1, wherein the LPA content in the lipidic phase is between 5 wt-% and 80 wt %. 4. The process according to claim 1, wherein the LPA content in the lipidic phase is between 10 wt-% and 80 wt %. 5. The process according to claim 1, wherein the oil droplets contain oil soluble, oil non-soluble or water soluble material selected from the group consisting of flavours, flavour precursors, drugs, nutraceuticals, selected from the group comprising of lutein, lutein esters, β-carotene, tocopherol, tocopherol acetate, tocotrienol, lycopene, Co-Q10, flax seed oil, lipoic acid, vitamin B12, vitamin D, α- and γ-polyunsaturated fatty acids or phytosterols, food supplements, food additives, plant extracts, medicaments, cosmeceuticals, peptides, proteins or carbohydrates, nutrients, aromas, and aroma precursors. 6. The process according to claim 1, wherein the LPA is selected from the group of long-chain alcohols, fatty acids, pegylated fatty acids, glycerol fatty acid esters, monoglycerides, diglycerides, derivatives of mono-diglycerides, pegylated vegetable oils, sorbitan esters, polyoxyethylene sorbitan esters, propylene glycol mono- or diesters, phospholipids, phosphatides, cerebrosides, gangliosides, cephalins, lipids, glycolipids, sulfatides, sugar esters, sugar ethers, sucrose esters, sterols, and polyglycerol esters. 7. The process according to claim 6, wherein the LPA is selected from the group consisting of myristic acid, oleic acid, lauric acid, stearic acid, palmitic acid, PEG 1-4 stearate, PEG 2-4 oleate, PEG-4 dilaurate, PEG-4 dioleate, PEG-4 distearate, PEG-6 dioleate, PEG-6 distearate, PEG-8-dioleate, PEG-3-16 castor oil, PEG 5-10 hydrogenated castor oil, PEG 6-20 corn oil, PEG 6-20 almond oil, PEG-6 olive oil, PEG-6 peanut oil, PEG-6 palm kernel oil, PEG-6 hydrogenated palm kernel oil, PEG-4 capric/caprylic triglyceride, mono, di, tri, tetraesters of vegetable oil and sorbitol, pentaerythrityl di, tri, or tetra stearate, isostearate, oleate, caprylate or caprate, polyglyceryl-3 dioleate, stearate, or isostearate, polyglyceryl 4-10 pentaoleate, polyglyceryl 2-4 oleate, stearate, or isostearate, polyglyceryl 4-10 pentaoleate, polyglyceryl-3 dioleate, polyglyceryl-6 dioleate, polyglyceryl-10 trioleate, polyglyceryl-3 distearate, propylene glycol mono- or diesters of C6 to C20 fatty acids, monoglycerides of C6 to C20 fatty acids, lactic acid derivatives of monoglycerides, lactic acid derivatives of diglycerides, diacetyl tartaric ester of monoglycerides, triglycerol monostearate, cholesterol, phytosterol, PEG 5-20 soya sterol, PEG-6 sorbitan tetra or hexastearate, PEG-6 sorbitan tetraoleate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan mono or trioleate, sorbitan mono or tristearate, sorbitan monoisostearate, sorbitan sesquioleate, sorbitan sesquistearate, PEG-2-5 oleyl ether, POE 2-4 lauryl ether, PEG-2 cetyl ether, PEG-2 stearyl ether, sucrose distearate, sucrose dipalmitate, ethyl oleate, isopropyl myristate, isopropyl palmitate, ethyl linoleate, isopropyl linoleate, poloxamers, phospholipids, lecithins, cephalins, oat lipids and lipophilic or amphiphilic lipids from other plants, and mixtures thereof. 8. The process according to claim 1, wherein the emulsifier is selected from the group consisting of low molecular weight surfactants having a HLB>8, proteins from milk or soya, peptides, protein hydrolysates, block co-polymers, surface active hydrocolloids such as arabic gum, xanthan gum, surfactant-protein nanoparticles, surfactant stabilized nano- or micro silica particles, and mixtures thereof. 9. The process according to claim 1, further comprising preparing a powder from the emulsion, which powder is easily reconstituted into an aqueous phase at room or cold temperatures. 10. The process according to claim 1, wherein the emulsion is a final product. 11. The process according to claim 1, wherein the emulsion is a starting material, an intermediate product or an additive to a final product. 12. The process according to claim 1, wherein the manual operation or low energy device is selected from the group consisting of manual squeezing, magnetic stirring, hand shaking, spoon or whisk stirring, vortex mixing, membrane emulsification, static mixer, kitchen mixer, nano- and microfluidics devices, pouch mixing, any mixer which creates a turbulent flow, or combinations thereof.
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