CN102613577A - Water-soluble phytosterol unsaturated fatty acid microcapsule and preparation method of water-soluble phytosterol unsaturated fatty acid microcapsule - Google Patents
Water-soluble phytosterol unsaturated fatty acid microcapsule and preparation method of water-soluble phytosterol unsaturated fatty acid microcapsule Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 49
- 239000003094 microcapsule Substances 0.000 title claims abstract description 48
- 235000021122 unsaturated fatty acids Nutrition 0.000 title claims abstract description 39
- 150000004670 unsaturated fatty acids Chemical class 0.000 title abstract description 7
- -1 unsaturated fatty acid ester Chemical class 0.000 claims abstract description 64
- 229930006000 Sucrose Natural products 0.000 claims abstract description 42
- 239000005720 sucrose Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims abstract description 20
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims abstract description 14
- 229920001353 Dextrin Polymers 0.000 claims abstract description 9
- 239000004375 Dextrin Substances 0.000 claims abstract description 9
- 235000019425 dextrin Nutrition 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 4
- 229940049964 oleate Drugs 0.000 claims description 34
- 235000002378 plant sterols Nutrition 0.000 claims description 33
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 108010073771 Soybean Proteins Proteins 0.000 claims description 28
- 235000019710 soybean protein Nutrition 0.000 claims description 28
- 229920002774 Maltodextrin Polymers 0.000 claims description 24
- 239000005913 Maltodextrin Substances 0.000 claims description 24
- 229940035034 maltodextrin Drugs 0.000 claims description 24
- 239000012071 phase Substances 0.000 claims description 22
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 238000001694 spray drying Methods 0.000 claims description 13
- 238000004945 emulsification Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 9
- 239000005018 casein Substances 0.000 claims description 7
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 7
- 235000021240 caseins Nutrition 0.000 claims description 7
- 229940040452 linolenate Drugs 0.000 claims description 7
- DTOSIQBPPRVQHS-PDBXOOCHSA-M linolenate Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC([O-])=O DTOSIQBPPRVQHS-PDBXOOCHSA-M 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- OYHQOLUKZRVURQ-HZJYTTRNSA-M 9-cis,12-cis-Octadecadienoate Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC([O-])=O OYHQOLUKZRVURQ-HZJYTTRNSA-M 0.000 claims description 5
- 229940049918 linoleate Drugs 0.000 claims description 5
- 239000008346 aqueous phase Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 235000013305 food Nutrition 0.000 abstract description 9
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- 239000000126 substance Substances 0.000 abstract description 5
- 235000013365 dairy product Nutrition 0.000 abstract description 4
- 235000013376 functional food Nutrition 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 3
- 108090000623 proteins and genes Proteins 0.000 abstract description 2
- 102000004169 proteins and genes Human genes 0.000 abstract description 2
- 229940075999 phytosterol ester Drugs 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 20
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- 238000001035 drying Methods 0.000 description 13
- 150000002148 esters Chemical class 0.000 description 13
- 238000012360 testing method Methods 0.000 description 10
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- 206010013786 Dry skin Diseases 0.000 description 8
- 239000000839 emulsion Substances 0.000 description 8
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- 239000008267 milk Substances 0.000 description 8
- 210000004080 milk Anatomy 0.000 description 8
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- 235000014113 dietary fatty acids Nutrition 0.000 description 6
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- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 5
- 239000008213 purified water Substances 0.000 description 5
- 229930182558 Sterol Natural products 0.000 description 4
- 238000002390 rotary evaporation Methods 0.000 description 4
- 235000003702 sterols Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
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- 235000012054 meals Nutrition 0.000 description 3
- 235000015895 biscuits Nutrition 0.000 description 2
- 235000012000 cholesterol Nutrition 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
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- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
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Abstract
The invention belongs to the technical field of food and chemical industry and particularly relates to a water-soluble phytosterol unsaturated fatty acid microcapsule and preparation method of water-soluble phytosterol unsaturated fatty acid microcapsule. The microcapsule comprises 25 to 40 percent of phytosterol unsaturated fatty acid ester, 5 percent of emulsifying agents, 6.25 to 18.75 percent of sucrose and the balance wall materials, wherein the total quantity is 100 percent, the emulsifying agents are glycerin monostearate and sucrose ester, the mass ration of the glycerin monostearate to the sucrose ester is 1:(0.33-3), the ratio of the sucrose ester to the sucrose is 1:5, and the wall materials are dextrin and soy isolate protein. The water solubility of the phytosterol unsaturated fatty acid microcapsule is good, the phytosterol unsaturated fatty acid microcapsule can be mixed and dissolved with water-soluble matters, the application of the phytosterol ester to functional food, dairy products and beverages is widened, in addition, the preparation method disclosed by the invention is simple, the equipment requirement is low, and the preparation method is suitable for large-scale industrial production.
Description
Technical field
The invention belongs to food, chemical technology field, be specifically related to a kind of preparation method of the water-soluble plant sterol unsaturated fatty acid ester microcapsules through the embedding of phytosterol unsaturated fatty acid ester being processed microcapsules.
Background technology
Phytosterin ester has the effect of obvious reduction blood LDL-cholesterol level; And good non-oxidizability and stronger antiinflammatory action are arranged, be a kind of cardiopathic functional food ingredient of desirable reduction serum cholesterol, prevention and treatment coronary atherosclerosis class.In September, 2000, the food that phytosterol and phytosterin ester have been added in U.S. food and Drug Administration (FDA) approval can use the label of " good for health ", and therefore, phytosterin ester can be used safely in food.
But phytosterin ester can't synthesize in vivo, can only from meals or medicine, absorb.In addition because that phytosterin ester only has is fat-soluble preferably, be difficult to water-soluble substances miscible, so greatly limitations its application in functional food, dairy products, beverage etc., cause it in food industry, not to be widely used.
Summary of the invention
In order to solve the water-fast shortcoming of phytosterin ester common in the prior art, the invention provides a kind of can be at the water miscible phytosterol unsaturated fatty acid ester ester microcapsules of the extensive use in dairy products, the beverage etc.
Simultaneously, also in order to provide a kind of preparation technology simple, equipment requirements is low in the present invention, is suitable for the preparation method of the water-soluble plant sterol unsaturated fatty acid ester microcapsules of large-scale industrial production.
Solving the above-mentioned technical scheme that technical problem adopted and be it comprises following quality proportion raw material and processes:
Above-mentioned emulsifying agent is glycerin monostearate and sucrose ester, and the mass ratio of glycerin monostearate and sucrose ester is 1: 0.33～3; The ratio of sucrose ester and sucrose is 1: 5; Above-mentioned wall material is dextrin and soybean protein isolate.
Also include silica in the microcapsules of the present invention, the mass percent of silica is 0.1～0.5%.
Also include casein in the microcapsules of the present invention, its mass percent is 2%.
The mass percent of phytosterol unsaturated fatty acid ester of the present invention is 35%.
Phytosterol unsaturated fatty acid ester of the present invention is any one or the combination in any between them in phytosterol oleate, phytosterol linoleate, the phytosterol linolenate.
The mass ratio of dextrin of the present invention and soybean protein isolate is 1: 0.33～3.
Dextrin of the present invention is maltodextrin or beta-schardinger dextrin-or its combination in any.
Mono stearate glyceryl ester of the present invention is 1: 1 with the ratio of the quality of sucrose ester.
The preparation method of above-mentioned water-soluble plant sterol unsaturated fatty acid ester microcapsules is: glycerin monostearate and the dissolving of phytosterol unsaturated fatty acid ester heating mixing are processed oil phase; Sucrose dissolved in water, is added sucrose ester again, be stirred to fully dissolving, add soybean protein isolate and dextrin, be stirred at 40～60 ℃ and mix, be prepared into water; Under 45～65 ℃ of stirrings, poured oil phase into aqueous phase emulsification 15～25 minutes; 20～35MPa homogeneous 2～4 times; 120～140 ℃ of inlet temperatures, carry out spray-drying under 70～90 ℃ of the outlet temperatures, obtain water-soluble plant sterol unsaturated fatty acid ester microcapsules.
During above-mentioned preparation oil phase, in the mixed liquor of glycerin monostearate and phytosterol unsaturated fatty acid ester, add silica; When the preparation water, when adding soybean protein isolate, also be added with casein.
It is core that water-soluble plant sterol unsaturated fatty acid ester microcapsules of the present invention are selected the phytosterol unsaturated fatty acid ester for use; Water miscible maltodextrin and soybean protein isolate are the wall material, and sucrose, casein and silica are auxiliary agent, make the microcapsules of water-soluble plant sterol ester through spray drying process; Its good water solubility; Can be miscible with water-soluble substances, enlarged the application of phytosterin ester in functional food, dairy products and beverage, and preparation method of the present invention is simple; Equipment requirements is low, is fit to large-scale industrial production.Adopt the water-soluble plant sterol unsaturated fatty acid ester microcapsules of the present invention's preparation, all meet the corresponding national standards regulation, can use safely through test each item index.
The specific embodiment
To further explain of the present invention, but the invention is not restricted to these embodiment below in conjunction with embodiment.
Embodiment 1
With preparation water-soluble plant sterol oleate microcapsules is example with 100g, and used raw material and proportioning thereof are following:
Its preparation methods steps is following:
Step 1: preparation oil phase
Take by weighing mono fatty acid glyceride 1.25g and phytosterol oleate 35g in the 200ml beaker, be heated to 50～70 ℃ of dissolvings fully, promptly obtain oil phase.
Step 2: preparation water
Other gets the beaker of a 1000ml; Add 18.75g sucrose, use the 400ml purified water to make it to dissolve the back and add the sucrose ester of 3.75g model, make that the mass ratio of glycerin monostearate and sucrose ester is 1: 3 as SE-15 in 40～60 ℃; The mass ratio of sucrose ester and sucrose is 1: 5; Stirring makes the sucrose ester dissolving, adds soybean protein isolate 30.94g and maltodextrin 10.31g more successively, makes the mass ratio of soybean protein isolate and maltodextrin be about 3: 1; Be stirred at 40～60 ℃ and mix, be prepared into the water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in the water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, the solid content of emulsion is 20%.
Step 4: homogeneous
Homogeneous 1 time under 20～25MPa carries out homogeneous the 2nd time under 25～30MPa then, under 30～35MPa, carries out homogeneous the 3rd time.
Step 5: drying
Homogeneous carries out spray-drying with resulting emulsion after accomplishing, and the inlet temperature during spray-drying is 120～140 ℃, uses draught temperature through the adjusting charging rate and is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 2
With preparation water-soluble plant sterol oleate microcapsules is example with 100g, and used raw material and proportioning thereof are following:
Its preparation method is following:
In step 1, take by weighing mono fatty acid glyceride 1.25g and phytosterol oleate 25g in the 200ml beaker, be heated to 50～70 ℃ of dissolvings fully, promptly obtain oil phase.
In step 2, add soybean protein isolate 30.94g and maltodextrin 20.31g, make the mass ratio of soybean protein isolate and maltodextrin be about 1.52: 1, other step is identical with embodiment 1 in this step.
Other step is identical with embodiment 1.
Embodiment 3
With preparation water-soluble plant sterol oleate microcapsules is example with 100g, and used raw material and proportioning thereof are following:
Its preparation method is following:
In step 1, take by weighing mono fatty acid glyceride 1.25g and phytosterol oleate 40g in the 200ml beaker, be heated to 50～70 ℃ of dissolvings fully, promptly obtain oil phase.
In step 2, add soybean protein isolate 30.94g and maltodextrin 15.31g, the mass ratio of soybean protein isolate and maltodextrin is about 2.02: 1, and other step is identical with embodiment 1 in this step.
Other step is identical with embodiment 1.
Embodiment 4
With preparation water-soluble plant sterol oleate microcapsules is example with 100g, and used raw material and proportioning thereof are following:
Its preparation method is following:
Step 1: preparation oil phase
Take by weighing glycerin monostearate 3.75g and phytosterol oleate 35g in the 200ml beaker, be heated to 50～70 ℃ of dissolvings fully, promptly obtain oil phase.
Step 2: preparation water
Other gets the beaker of a 1000ml; Add 6.25g sucrose, use the 400ml purified water to make it to dissolve the back in 40～60 ℃ and add the sucrose ester of 1.25g model as SE-15, the mass ratio of glycerin monostearate and sucrose ester is 1: 0.33; The mass ratio of sucrose ester and sucrose is 1: 5; Stirring makes and the sucrose ester dissolving adds soybean protein isolate 40.31g and maltodextrin 13.44g successively that the mass ratio of soybean protein isolate and maltodextrin is about 3: 1; 40～60 ℃ are stirred to and mix, and are prepared into the water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in the water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, the solid content of emulsion is 20%.
Step 4: homogeneous
Homogeneous is 1 time under 20～25MPa, under 30～35MPa, carries out homogeneous the 2nd time.
Step 5: drying
Homogeneous carries out spray-drying with resulting emulsion after accomplishing, and the inlet temperature during spray-drying is 120～140 ℃, uses draught temperature through the adjusting charging rate and is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 5
With preparation water-soluble plant sterol oleate microcapsules is example with 100g, and used raw material and proportioning thereof are following:
Its preparation method is following:
Step 1: preparation oil phase
Take by weighing mono fatty acid glyceride 1.88g and phytosterol oleate 35g in the 200ml beaker, be heated to 50～70 ℃ of dissolvings fully, promptly obtain oil phase.
Step 2: preparation water
Other gets the beaker of a 1000ml, adds 15.6g sucrose, uses the 400ml purified water to make it to dissolve the back in 40～60 ℃ and adds the sucrose ester of 3.12g model as SE-15; The mass ratio of glycerin monostearate and sucrose ester is about 1: 1.67; Stirring makes and the sucrose ester dissolving adds soybean protein isolate 11.1g and maltodextrin 33.3g successively that the mass ratio of soybean protein isolate and maltodextrin is about 0.33: 1; Be stirred at 40～60 ℃ and mix, be prepared into the water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in the water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, solid content is 20%.
Step 4: homogeneous
Homogeneous 1 time under 20～25MPa carries out homogeneous the 2nd time under 25～30MPa then, under 30～33MPa, carries out homogeneous the 3rd time, under 33～35MPa, carries out the 4th homogeneous.
Step 5: drying
Homogeneous carries out spray-drying with resulting emulsion after accomplishing, and the inlet temperature during spray-drying is 120～140 ℃, uses draught temperature through the adjusting charging rate and is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 6
With preparation water-soluble plant sterol oleate microcapsules is example with 100g, and used raw material and proportioning thereof are following:
Its preparation method is following:
Step 1: preparation oil phase
Take by weighing mono fatty acid glyceride 2.5g and phytosterol oleate 35g in the 200ml beaker, be heated to 50～70 ℃ of dissolvings fully, promptly obtain oil phase.
Step 2: preparation water
Other gets the beaker of a 1000ml, adds 12.5g sucrose, uses the 400ml purified water to make it to dissolve the back in 40～60 ℃ and adds the sucrose ester of 2.5g model as SE-15; The mass ratio of glycerin monostearate and sucrose ester is 1: 1; Stirring makes the sucrose ester dissolving, adds soybean protein isolate 30g and maltodextrin 17.5g more successively, makes the mass ratio of soybean protein isolate and maltodextrin be about 1.71: 1; Be stirred at 40～60 ℃ and mix, be prepared into the water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in the water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, solid content is 20%.
Step 4: homogeneous
Homogeneous 1 time under 20～25MPa carries out homogeneous the 2nd time under 25～30MPa then, under 30～33MPa, carries out homogeneous the 3rd time, under 33～35MPa, carries out the 4th homogeneous.
Step 5: drying
Homogeneous carries out spray-drying with resulting emulsion after accomplishing, and the inlet temperature during spray-drying is 120～140 ℃, uses draught temperature through the adjusting charging rate and is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 7
With preparation water-soluble plant sterol oleate microcapsules is example with 100g, and used raw material and proportioning thereof are following:
Its preparation method is following:
Step 1: preparation oil phase
Take by weighing mono fatty acid glyceride 2.5g and phytosterol oleate 35g in the 200ml beaker, be heated to 50～70 ℃ of dissolvings fully, promptly obtain oil phase.
Step 2: preparation water
Other gets the beaker of a 1000ml; Add 12.5g sucrose, use the 400ml purified water to make it to dissolve the back and add the sucrose ester of 2.5g model as SE-15, stirring and dissolving in 40～60 ℃; Add soybean protein isolate 23.75g and maltodextrin 23.75g more successively; Make that the mass ratio of soybean protein isolate and maltodextrin is 1: 1, be stirred at 40～60 ℃ and mix, be prepared into the water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in the water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, solid content is 20%.
Step 4: homogeneous
Homogeneous 1 time under 20～25MPa carries out homogeneous the 2nd time under 25～30MPa then, under 30～33MPa, carries out homogeneous the 3rd time, under 33～35MPa, carries out the 4th homogeneous.
Step 5: drying
Homogeneous carries out spray-drying with resulting emulsion after accomplishing, and the inlet temperature during spray-drying is 120～140 ℃, uses draught temperature through the adjusting charging rate and is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 8
In the foregoing description 1～7, the soybean protein isolate of 0.25g and the maltodextrin silica with 0.25g is replaced, other component is identical with respective embodiments.
Its preparation method is following:
In step 1, in the mixed liquor of glycerin monostearate and phytosterol unsaturated fatty acid ester, add silica, other operations in this step are identical with corresponding embodiment.
Other step is identical with respective embodiments.
Embodiment 9
In the foregoing description 1～7, the soybean protein isolate of 0.5g and the maltodextrin silica with 0.5g is replaced, other component is identical with respective embodiments.
Its preparation method is following:
In step 1, in the mixed liquor of glycerin monostearate and phytosterol unsaturated fatty acid ester, add silica, other operations in this step are identical with corresponding embodiment.
Other step is identical with respective embodiments.
Embodiment 10
In the foregoing description 1～7, the soybean protein isolate of 0.1g and the maltodextrin silica with 0.1g is replaced, other component is identical with respective embodiments.
Its preparation method is following:
In step 1, in the mixed liquor of glycerin monostearate and phytosterol unsaturated fatty acid ester, add silica, other operations in this step are identical with corresponding embodiment.
Other step is identical with respective embodiments.
Embodiment 11
In the foregoing description 1～10, the soybean protein isolate of 2g and the maltodextrin casein with 2g is replaced, other component is identical with respective embodiments.
Its preparation method is following:
In step 2, when adding soybean protein isolate, add casein, other step of this step is identical with corresponding embodiment.
Other step is identical with respective embodiments.
Embodiment 12
In the foregoing description 1～11, maltodextrin replaces with beta-schardinger dextrin-, and other component is identical with corresponding embodiment.
The preparation method is identical with respective embodiments.
Embodiment 13
In the foregoing description 1～11, maltodextrin replaces with maltodextrin and beta-schardinger dextrin-, and other component is identical with corresponding embodiment.
The preparation method is identical with respective embodiments.
Embodiment 14
In the foregoing description 1～13, the phytosterol oleate replaces with the phytosterol linoleate, and other component and content thereof are identical with respective embodiments.
The preparation method is identical with respective embodiments.
Embodiment 15
In the foregoing description 1～13, the phytosterol oleate replaces with the phytosterol linolenate, and other component and content thereof are identical with respective embodiments.
The preparation method is identical with respective embodiments.
Embodiment 16
In the foregoing description 1～13; The phytosterol oleate replaces with phytosterol linoleate and phytosterol linolenate; The mass percent sum of phytosterol linoleate and phytosterol linolenate equates that with the mass percent of phytosterol oleate other component and content thereof are identical with respective embodiments.
The preparation method is identical with respective embodiments.
Embodiment 17
In the foregoing description 1～13; The phytosterol oleate replaces with phytosterol oleate and phytosterol linolenate; The mass percent sum of phytosterol oleate and phytosterol linolenate equates that with the mass percent of phytosterol oleate other component and content thereof are identical with respective embodiments.
The preparation method is identical with respective embodiments.
The present domestic relevant standard that do not have, usage and dosages etc. all do not have standard, and in Europe, Australia and New Zealand, according to its alimentary codex, phytosterol/phytosterin ester is approved for new resource food.Also passed through GRAS (" it is generally acknowledged safe ") approval of FDA at american plant sterol/phytosterin ester.FDAApproved Health Claim US Market (GRAS CLAIM) " Foods containing atleast 0.65g per serving of vegetable oil sterol esters; eaten twice a day with meals for adaily total intake of at least 1.3g; as part of a diet low in saturated fat and cholesterol; may reduce the risk ofheart disease. U.S. FDA was being ratified the healthy declaration of phytosterin ester in 2000 the: " phytosterin ester that contains 0.65 gram in every portion of food at least; Take in every day twice; Be the phytosterin ester of taking in 1.3 grams every day at least, take in the meals of low saturated fatty acid and cholesterol simultaneously, can reduce the sick danger of cardiac trigger ".
The consumption that is defined in the food with reference to the GRAS of U.S. FDA is a standard with sterol ester 1.3g; With the embodiment of the invention 1 prepared addition of water-soluble sterol oleate microcapsules in milk, biscuit and beverage is 32.1% to be example; Need take in 4.05g for each person every day, concrete specification is:
With 250g/ bag milk, two bags of calculating for each person every day, then addition is 8.1mg/g;
With 100g/ box biscuit, one bag of calculating for each person every day, then addition is 40.5mg/g;
With 500ml/ bottle beverage, one bottle of calculating for each person every day, then addition is 8.1mg/g.
Result of the test
1, with the milk experiment be example to its detection that makes an experiment, specific as follows:
The Te Lunsu plain chocolate of choosing Mengniu Milk's production makes an experiment; We get the above-mentioned milk of 250g; Adding was stirred 5 minutes by embodiment 1 prepared water-soluble sterol oleate microcapsules 4.05g, and it is tested with reference to GB25190-2010.
Testing result is following:
Table 1 organoleptic indicator
Table 2 physical and chemical index
| Project | Index | The method of inspection | Testing result | Conclusion |
| Fat/(g/100g) >;= | 3.1 | GB5413.3 | 4.0 | Meet the requirements |
| Protein/(g/100g) >;= | 2.9 | GB5009.5 | 3.7 | Meet the requirements |
| Non-fat solid/(g/100g) >;= | 8.1 | GB5413.39 | 9.7 | Meet the requirements |
| Acidity/(° T) | 12～18 | GB5413.34 | 13 | Meet the requirements |
Can draw by table 1 and table 2, after phytosterol oleate microcapsules of the present invention add milk, the quality of milk not had obvious influence, can use safely, and in milk, not have grumeleuse, do not have deposition, no twenty-twenty vision visible foreign matters etc., water-soluble better.
2, the detection of other project
Detect according to the water-soluble plant sterol oleate microcapsules of corresponding detecting method embodiments of the invention 1 gained.
Testing result and method are seen table 3.
Table 3 testing result
Appendix:
1, water-soluble
Method: take by weighing sample, place the water of 25 ± 2 ℃ of one constant volume, every at a distance from 5 minutes 30 seconds of powerful jolting, observe the dissolving situation in 30 minutes, as there is not visual visible precipitate for homogenous emulsion, promptly be regarded as dissolving.
2, embedding rate
Step 1: be taken at 2 hours testing sample 5g of 105 ℃ of dryings, divide three washings, filter rear filtrate and remove benzinum through rotary evaporation with the 50ml benzinum, 105 ℃ of dryings 2 hours, weigh m
1
Step 2: other is taken at 2 hours testing sample 5g of 105 ℃ of dryings and grinds brokenly, is extractant with the benzinum, and Suo Shi extracted 2 hours, and rotary evaporation is removed benzinum, 105 ℃ of dryings 2 hours, weigh m
2
3, the content of the phytosterol oleate of the embedding in the micrometer capsule
Step 1: be taken at 2 hours testing sample 5g of 105 ℃ of dryings, divide three washings, filter rear filtrate and remove benzinum through rotary evaporation with the 50ml benzinum, 105 ℃ of dryings 2 hours, weigh m
1
Step 2: other is taken at 2 hours testing sample 5g of 105 ℃ of dryings and grinds brokenly, is extractant with the benzinum, and Suo Shi extracted 2 hours, and rotary evaporation is removed benzinum, 105 ℃ of dryings 2 hours, weigh m
2
Can be drawn by table 3, each item index of water-soluble plant sterol unsaturated fatty acid ester microcapsules of the present invention all meets the corresponding national standards regulation, can use safely.
Claims (10)
1. water-soluble plant sterol unsaturated fatty acid ester microcapsules, it is characterized in that: it comprises following quality proportion raw material and processes:
Above-mentioned emulsifying agent is glycerin monostearate and sucrose ester, and the mass ratio of glycerin monostearate and sucrose ester is 1: 0.33～3; The mass ratio of sucrose ester and sucrose is 1: 5; Described wall material is dextrin and soybean protein isolate.
2. water-soluble plant sterol unsaturated fatty acid ester microcapsules according to claim 1 is characterized in that: also include silica in the described microcapsules, the mass percent of silica is 0.1～0.5%.
3. water-soluble plant sterol unsaturated fatty acid ester microcapsules according to claim 2 is characterized in that: also include casein in the described microcapsules, its mass percent is 2%.
4. water-soluble plant sterol unsaturated fatty acid ester microcapsules according to claim 1, it is characterized in that: the mass percent of described phytosterol unsaturated fatty acid ester is 35%.
5. water-soluble plant sterol unsaturated fatty acid ester microcapsules according to claim 4 is characterized in that: described phytosterol unsaturated fatty acid ester is any one or the combination in any between them in phytosterol oleate, phytosterol linoleate, the phytosterol linolenate.
6. water-soluble plant sterol unsaturated fatty acid ester microcapsules according to claim 1, it is characterized in that: the mass ratio of described dextrin and soybean protein isolate is 1: 0.33～3.
7. water-soluble plant sterol unsaturated fatty acid ester microcapsules according to claim 6 is characterized in that: described dextrin is maltodextrin or beta-schardinger dextrin-or its combination in any.
8. according to each described water-soluble plant sterol unsaturated fatty acid ester microcapsules in the claim 1 to 7, it is characterized in that: described mono stearate glyceryl ester is 1: 1 with the ratio of the quality of sucrose ester.
9. the preparation method of the described water-soluble plant sterol of claim 1 unsaturated fatty acid ester microcapsules is characterized in that it comprises the steps:
1) glycerin monostearate and the dissolving of phytosterol unsaturated fatty acid ester heating mixing are processed oil phase;
2) with sucrose dissolved in water, add sucrose ester again, be stirred to fully dissolving, add soybean protein isolate and dextrin, be stirred at 40～60 ℃ and mix, be prepared into water;
3) under 45～65 ℃ of stirrings, poured oil phase into aqueous phase emulsification 15～25 minutes;
4) 20～35MPa homogeneous is 2～4 times;
5) 120～140 ℃ of inlet temperatures, carry out spray-drying under 70～90 ℃ of the outlet temperatures, obtain water-soluble plant sterol unsaturated fatty acid ester microcapsules.
10. preparation method according to claim 9 is characterized in that: in step 1), in the mixed liquor of glycerin monostearate and phytosterol unsaturated fatty acid ester, add silica, the mass percent of silica is 0.1～0.5%; In step 2) in, when adding soybean protein isolate, also being added with casein, caseic mass percent is 2%.
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