CN102613577B - 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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- 235000021122 unsaturated fatty acids Nutrition 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 150000004670 unsaturated fatty acids Chemical class 0.000 title abstract description 7
- -1 unsaturated fatty acid ester Chemical class 0.000 claims abstract description 65
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims abstract description 19
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- 235000019425 dextrin Nutrition 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
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- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 32
- 108010073771 Soybean Proteins Proteins 0.000 claims description 28
- 235000002378 plant sterols Nutrition 0.000 claims description 28
- 235000019710 soybean protein Nutrition 0.000 claims description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 13
- 238000004945 emulsification Methods 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 9
- 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
- 239000005018 casein Substances 0.000 claims description 6
- 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 6
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- 239000000203 mixture Substances 0.000 claims description 6
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- 235000013305 food Nutrition 0.000 abstract description 9
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- 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
- 229920002774 Maltodextrin Polymers 0.000 description 23
- 239000005913 Maltodextrin Substances 0.000 description 23
- 229940035034 maltodextrin Drugs 0.000 description 23
- 239000003921 oil Substances 0.000 description 20
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- 150000002148 esters Chemical class 0.000 description 13
- 238000012360 testing method Methods 0.000 description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 8
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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
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- OYHQOLUKZRVURQ-HZJYTTRNSA-M 9-cis,12-cis-Octadecadienoate Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC([O-])=O OYHQOLUKZRVURQ-HZJYTTRNSA-M 0.000 description 4
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- Coloring Foods And Improving Nutritive Qualities (AREA)
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 by the embedding of phytosterol unsaturated fatty acid ester being made to the preparation method of the water-soluble plant sterol unsaturated fatty acid ester microcapsules of microcapsules.
Background technology
Phytosterin ester has the effect of obvious reduction blood LDL-cholesterol level, and have good non-oxidizability and stronger antiinflammatory action, be the cardiopathic functional food ingredient of a kind 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 be used the label of " good for health ", and therefore, phytosterin ester can be used safely in food.
But phytosterin ester cannot synthesize in vivo, can only from meals or medicine, absorb.In addition, because phytosterin ester only has fat-solublely preferably, be difficult to water-soluble substances misciblely, so greatly limited 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 prior art, the invention provides a kind of water miscible phytosterol unsaturated fatty acid ester ester microcapsules of extensive use that can be in dairy products, beverage etc.
Meanwhile, the present invention is also in order to provide a kind of preparation technology simple, and equipment requirement is low, is suitable for the preparation method of the water-soluble plant sterol unsaturated fatty acid ester microcapsules of large-scale industrial production.
Solving the technical scheme that above-mentioned technical problem adopts is that the raw material that it comprises following quality proportioning is made:
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.
In microcapsules of the present invention, also include silica, the mass percent of silica is 0.1～0.5%.
In microcapsules of the present invention, also include casein, 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 to be combined between any one or they in phytosterol oleate, phytosterol linoleate, 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 any combination.
The mass ratio of mono stearate glyceryl ester of the present invention and sucrose ester is 1: 1.
The preparation method of above-mentioned water-soluble plant sterol unsaturated fatty acid ester microcapsules is: the heating of glycerin monostearate and phytosterol unsaturated fatty acid ester is mixed to dissolve and make oil phase; Sucrose dissolved, in water, then is added to sucrose ester, be stirred to completely and dissolve, add soybean protein isolate and dextrin, at 40～60 ℃, be stirred to and mix, be prepared into water; Pour oil phase into water under 45～65 ℃ of stirrings in, emulsification is 15～25 minutes, 20～35MPa homogeneous 2～4 times, 120～140 ℃ of inlet temperatures, at 70～90 ℃ of outlet temperatures, spray dry, obtain water-soluble plant sterol unsaturated fatty acid ester microcapsules.
Above-mentioned while preparing oil phase, in the mixed liquor of glycerin monostearate and phytosterol unsaturated fatty acid ester, add silica; When preparing water, when adding soybean protein isolate, be also added with casein.
It is core that water-soluble plant sterol unsaturated fatty acid ester microcapsules of the present invention are selected phytosterol unsaturated fatty acid ester, water miscible maltodextrin and soybean protein isolate are wall material, sucrose, casein and silica are auxiliary agent, by spray drying process, make the microcapsules of water-soluble plant sterol ester, its good water solubility, can be miscible with water-soluble substances, expanded the application of phytosterin ester in functional food, dairy products and beverage, and preparation method of the present invention is simple, equipment requirement is low, is applicable to large-scale industrial production.The water-soluble plant sterol unsaturated fatty acid ester microcapsules that adopt the present invention to prepare, indices all meets corresponding national Specification after tested, can use safely.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in more detail, but the invention is not restricted to these embodiment.
Embodiment 1
To prepare water-soluble plant sterol oleate microcapsules, take 100g as example, raw material and proportioning thereof used are as follows:
Its preparation methods steps is as follows:
Step 1: prepare oil phase
Take mono fatty acid glyceride 1.25g and phytosterol oleate 35g in 200ml beaker, be heated to 50～70 ℃ and dissolve completely, obtain oil phase.
Step 2: prepare water
Separately get the beaker of a 1000ml, add 18.75g sucrose, by 400ml purified water, in 40～60 ℃, adding 3.75g model after making it to dissolve is the sucrose ester of SE-15, the mass ratio that makes glycerin monostearate and sucrose ester is 1: 3, the mass ratio of sucrose ester and sucrose is 1: 5, stirring is dissolved sucrose ester, add successively again soybean protein isolate 30.94g and maltodextrin 10.31g, make the mass ratio of soybean protein isolate and maltodextrin be about 3: 1, at 40～60 ℃, be stirred to and mix, be prepared into water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, the solid content of emulsion is 20%.
Step 4: homogeneous
Then homogeneous 1 time under 20～25MPa carries out homogeneous the 2nd time under 25～30MPa, carries out homogeneous under 30～35MPa the 3rd time.
Step 5: dry
After homogeneous completes, resulting emulsion is sprayed dry, inlet temperature when spraying is dry is 120～140 ℃, by regulating charging rate to use draught temperature, is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 2
To prepare water-soluble plant sterol oleate microcapsules, take 100g as example, raw material and proportioning thereof used are as follows:
Its preparation method is as follows:
In step 1, take mono fatty acid glyceride 1.25g and phytosterol oleate 25g in 200ml beaker, be heated to 50～70 ℃ and dissolve completely, 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, in this step, other step is identical with embodiment 1.
Other step is identical with embodiment 1.
Embodiment 3
To prepare water-soluble plant sterol oleate microcapsules, take 100g as example, raw material and proportioning thereof used are as follows:
Its preparation method is as follows:
In step 1, take mono fatty acid glyceride 1.25g and phytosterol oleate 40g in 200ml beaker, be heated to 50～70 ℃ and dissolve completely, 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 in this step, other step is identical with embodiment 1.
Other step is identical with embodiment 1.
Embodiment 4
To prepare water-soluble plant sterol oleate microcapsules, take 100g as example, raw material and proportioning thereof used are as follows:
Its preparation method is as follows:
Step 1: prepare oil phase
Take glycerin monostearate 3.75g and phytosterol oleate 35g in 200ml beaker, be heated to 50～70 ℃ and dissolve completely, obtain oil phase.
Step 2: prepare water
Separately get the beaker of a 1000ml, add 6.25g sucrose, by 400ml purified water, in 40～60 ℃, adding 1.25g model after making it to dissolve is the sucrose ester of 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 is dissolved sucrose ester, add successively soybean protein isolate 40.31g and maltodextrin 13.44g, the mass ratio of soybean protein isolate and maltodextrin is about 3: 1,40～60 ℃ are stirred to and mix, and are prepared into water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, the solid content of emulsion is 20%.
Step 4: homogeneous
Under 20～25MPa, homogeneous is 1 time, carries out homogeneous under 30～35MPa the 2nd time.
Step 5: dry
After homogeneous completes, resulting emulsion is sprayed dry, inlet temperature when spraying is dry is 120～140 ℃, by regulating charging rate to use draught temperature, is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 5
To prepare water-soluble plant sterol oleate microcapsules, take 100g as example, raw material and proportioning thereof used are as follows:
Its preparation method is as follows:
Step 1: prepare oil phase
Take mono fatty acid glyceride 1.88g and phytosterol oleate 35g in 200ml beaker, be heated to 50～70 ℃ and dissolve completely, obtain oil phase.
Step 2: prepare water
Separately get the beaker of a 1000ml, add 15.6g sucrose, by 400ml purified water, in 40～60 ℃, adding 3.12g model after making it to dissolve is the sucrose ester of SE-15, the mass ratio of glycerin monostearate and sucrose ester is about 1: 1.67, stirring is dissolved sucrose ester, adds successively soybean protein isolate 11.1g and maltodextrin 33.3g, and the mass ratio of soybean protein isolate and maltodextrin is about 0.33: 1, at 40～60 ℃, be stirred to and mix, be prepared into water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, solid content is 20%.
Step 4: homogeneous
Then homogeneous 1 time under 20～25MPa carries out homogeneous the 2nd time under 25～30MPa, carries out homogeneous under 30～33MPa the 3rd time, under 33～35MPa, carries out the 4th homogeneous.
Step 5: dry
After homogeneous completes, resulting emulsion is sprayed dry, inlet temperature when spraying is dry is 120～140 ℃, by regulating charging rate to use draught temperature, is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 6
To prepare water-soluble plant sterol oleate microcapsules, take 100g as example, raw material and proportioning thereof used are as follows:
Its preparation method is as follows:
Step 1: prepare oil phase
Take mono fatty acid glyceride 2.5g and phytosterol oleate 35g in 200ml beaker, be heated to 50～70 ℃ and dissolve completely, obtain oil phase.
Step 2: prepare water
Separately get the beaker of a 1000ml, add 12.5g sucrose, by 400ml purified water, in 40～60 ℃, adding 2.5g model after making it to dissolve is the sucrose ester of SE-15, the mass ratio of glycerin monostearate and sucrose ester is 1: 1, stirring is dissolved sucrose ester, then adds successively soybean protein isolate 30g and maltodextrin 17.5g, makes the mass ratio of soybean protein isolate and maltodextrin be about 1.71: 1, at 40～60 ℃, be stirred to and mix, be prepared into water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, solid content is 20%.
Step 4: homogeneous
Then homogeneous 1 time under 20～25MPa carries out homogeneous the 2nd time under 25～30MPa, carries out homogeneous under 30～33MPa the 3rd time, under 33～35MPa, carries out the 4th homogeneous.
Step 5: dry
After homogeneous completes, resulting emulsion is sprayed dry, inlet temperature when spraying is dry is 120～140 ℃, by regulating charging rate to use draught temperature, is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 7
To prepare water-soluble plant sterol oleate microcapsules, take 100g as example, raw material and proportioning thereof used are as follows:
Its preparation method is as follows:
Step 1: prepare oil phase
Take mono fatty acid glyceride 2.5g and phytosterol oleate 35g in 200ml beaker, be heated to 50～70 ℃ and dissolve completely, obtain oil phase.
Step 2: prepare water
Separately get the beaker of a 1000ml, add 12.5g sucrose, by 400ml purified water, in 40～60 ℃, adding 2.5g model after making it to dissolve is the sucrose ester of SE-15, stirring and dissolving, add successively again soybean protein isolate 23.75g and maltodextrin 23.75g, the mass ratio that makes soybean protein isolate and maltodextrin is 1: 1, at 40～60 ℃, is stirred to and mixes, and is prepared into water mixed liquor.
Step 3: emulsification
Under stirring, oil phase is poured in water mixed liquor, kept 45～65 ℃, 400～550rpm emulsification 20 minutes, solid content is 20%.
Step 4: homogeneous
Then homogeneous 1 time under 20～25MPa carries out homogeneous the 2nd time under 25～30MPa, carries out homogeneous under 30～33MPa the 3rd time, under 33～35MPa, carries out the 4th homogeneous.
Step 5: dry
After homogeneous completes, resulting emulsion is sprayed dry, inlet temperature when spraying is dry is 120～140 ℃, by regulating charging rate to use draught temperature, is controlled between 70～90 ℃, obtains water-soluble plant sterol oleate microcapsules 100g.
Embodiment 8
In above-described embodiment 1～7, the soybean protein isolate of 0.25g and maltodextrin are replaced with the silica of 0.25g, other component is identical with corresponding embodiment.
Its preparation method is as follows:
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 corresponding embodiment.
Embodiment 9
In above-described embodiment 1～7, the soybean protein isolate of 0.5g and maltodextrin are replaced with the silica of 0.5g, other component is identical with corresponding embodiment.
Its preparation method is as follows:
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 corresponding embodiment.
Embodiment 10
In above-described embodiment 1～7, the soybean protein isolate of 0.1g and maltodextrin are replaced with the silica of 0.1g, other component is identical with corresponding embodiment.
Its preparation method is as follows:
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 corresponding embodiment.
Embodiment 11
In above-described embodiment 1～10, the soybean protein isolate of 2g and maltodextrin are replaced with the casein of 2g, other component is identical with corresponding embodiment.
Its preparation method is as follows:
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 corresponding embodiment.
Embodiment 12
In above-described embodiment 1～11, maltodextrin replaces with beta-schardinger dextrin-, and other component is identical with corresponding embodiment.
Preparation method is identical with corresponding embodiment.
Embodiment 13
In above-described embodiment 1～11, maltodextrin replaces with maltodextrin and beta-schardinger dextrin-, and other component is identical with corresponding embodiment.
Preparation method is identical with corresponding embodiment.
Embodiment 14
In above-described embodiment 1～13, phytosterol oleate replaces with phytosterol linoleate, and other component and content thereof are identical with corresponding embodiment.
Preparation method is identical with corresponding embodiment.
Embodiment 15
In above-described embodiment 1～13, phytosterol oleate replaces with phytosterol linolenate, and other component and content thereof are identical with corresponding embodiment.
Preparation method is identical with corresponding embodiment.
Embodiment 16
In above-described embodiment 1～13, phytosterol oleate replaces with phytosterol linoleate and phytosterol linolenate, the mass percent sum of phytosterol linoleate and phytosterol linolenate equates with the mass percent of phytosterol oleate, and other component and content thereof are identical with corresponding embodiment.
Preparation method is identical with corresponding embodiment.
Embodiment 17
In above-described embodiment 1～13, phytosterol oleate replaces with phytosterol oleate and phytosterol linolenate, the mass percent sum of phytosterol oleate and phytosterol linolenate equates with the mass percent of phytosterol oleate, and other component and content thereof are identical with corresponding embodiment.
Preparation method is identical with corresponding embodiment.
The current 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.At american plant sterol/phytosterin ester, also passed through GRAS (" it is generally acknowledged safe ") approval of FDA.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 has been ratified the healthy declaration of phytosterin ester in 2000: " in every portion of food, at least contain the phytosterin ester of 0.65 gram, take in every day twice, be at least to take in the phytosterin ester of 1.3 grams every day, take in the meals of low saturated fatty acid and cholesterol simultaneously, can reduce the danger of cardiac trigger disease ".
The consumption being defined in food with reference to the GRAS of U.S. FDA be take sterol ester 1.3g as standard, the addition of the prepared water-soluble sterol oleate microcapsules of the embodiment of the present invention 1 of take in milk, biscuit and beverage is 32.1% to be example, need for each person every day to take in 4.05g, concrete specification is:
With 250g/ bag milk, two bags of calculating for each person every day, addition is 8.1mg/g;
With 100g/ box biscuit, one bag of calculating for each person every day, addition is 40.5mg/g;
With 500ml/ bottle beverage, one bottle of calculating for each person every day, addition is 8.1mg/g.
Result of the test
1, take milk experiment tests detection to it as example, specific as follows:
Choosing the Te Lunsu plain chocolate of Mengniu Milk's production tests, we get the above-mentioned milk of 250g, add the prepared water-soluble sterol oleate microcapsules 4.05g by embodiment 1, stir 5 minutes, it is tested with reference to GB25190-2010.
Testing result is as follows:
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 |
By table 1 and table 2, can be drawn, phytosterol oleate microcapsules of the present invention add after milk, to the quality of milk and have no significant effect, can use safely, and in milk without grumeleuse, without precipitation, without twenty-twenty vision visible foreign matters etc., water-soluble better.
2, the detection of other project
According to corresponding detection method, the water-soluble plant sterol oleate microcapsules of embodiments of the invention 1 gained are detected.
Testing result and method are in Table 3.
Table 3 testing result
Appendix:
1, water-soluble
Method: take sample, be placed in the water of 25 ± 2 ℃ of certain capacities, in 30 seconds of powerful jolting every 5 minutes, observe the dissolving situation in 30 minutes, as be the emulsion of homogeneous without visual visible precipitate, be considered as dissolving.
2, embedding rate
Step 1: be taken at 105 ℃ of testing sample 5g of dry 2 hours, divide three washings with 50ml benzinum, after filtering, filtrate is removed benzinum through rotary evaporation, is dried 2 hours at 105 ℃, and m weighs to obtain
1;
Step 2: be separately taken at 105 ℃ of dry 2 hours testing sample 5g and grind fragmentation, take benzinum as extractant, Soxhlet is extracted 2 hours, and rotary evaporation is removed benzinum, is dried 2 hours at 105 ℃, and m weighs to obtain
2.
3, the content of the phytosterol oleate of the embedding in micrometer capsule
Step 1: be taken at 105 ℃ of testing sample 5g of dry 2 hours, divide three washings with 50ml benzinum, after filtering, filtrate is removed benzinum through rotary evaporation, is dried 2 hours at 105 ℃, and m weighs to obtain
1;
Step 2: be separately taken at 105 ℃ of dry 2 hours testing sample 5g and grind fragmentation, take benzinum as extractant, Soxhlet is extracted 2 hours, and rotary evaporation is removed benzinum, is dried 2 hours at 105 ℃, and m weighs to obtain
2.
By table 3, can be drawn, the indices of water-soluble plant sterol unsaturated fatty acid ester microcapsules of the present invention all meets corresponding national Specification, can use safely.
Claims (4)
1. water-soluble plant sterol unsaturated fatty acid ester microcapsules, is characterized in that: the raw material that it comprises following quality proportioning is made:
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, and the mass ratio of dextrin and soybean protein isolate is 1:0.33～3;
Above-mentioned phytosterol unsaturated fatty acid ester is to be combined between any one or they in phytosterol oleate, phytosterol linolenate.
2. water-soluble plant sterol unsaturated fatty acid ester microcapsules according to claim 1, is characterized in that: the mass percent of described phytosterol unsaturated fatty acid ester is 35%.
3. water-soluble plant sterol unsaturated fatty acid ester microcapsules according to claim 1, is characterized in that: described mono stearate glyceryl ester and the mass ratio of sucrose ester are 1:1.
4. a preparation method for water-soluble plant sterol unsaturated fatty acid ester microcapsules claimed in claim 1, is characterized in that it comprises the steps:
1) heating of glycerin monostearate and phytosterol unsaturated fatty acid ester is mixed to dissolve make oil phase, then add silica, the mass percent of silica is 0.1～0.5%;
2) by sucrose dissolved in water, then add sucrose ester, be stirred to completely and dissolve, add soybean protein isolate and dextrin, at 40～60 ℃, be stirred to and mix, be prepared into water, when adding soybean protein isolate, be also added with casein, caseic mass percent is 2%;
3) under 45～65 ℃ of stirrings, pour oil phase into water in emulsification 15～25 minutes;
4) 20～35MPa homogeneous is 2～4 times;
5) 120～140 ℃ of inlet temperatures, at 70～90 ℃ of outlet temperatures, spray dry, obtain water-soluble plant sterol unsaturated fatty acid ester microcapsules.
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| CN103141845B (en) * | 2013-03-22 | 2014-11-05 | 山东三星玉米产业科技有限公司 | Soft phytosterol capsule and method for preparing same |
| CN103349948B (en) * | 2013-06-21 | 2015-05-27 | 江南大学 | Phytostanol microencapsulation method |
| CN103404854A (en) * | 2013-08-02 | 2013-11-27 | 合肥工业大学 | Preparation method of phytosterol ester microcapsules |
| CN109528607A (en) * | 2018-11-29 | 2019-03-29 | 云南百叶集生物科技有限公司 | Skin barrier remediation composition and skin barrier repair product |
| CN110192651A (en) * | 2019-05-31 | 2019-09-03 | 浙江工业大学 | A kind of preparation method of the nanoemulsions using soybean protein isolate load phytosterin ester |
| CN113456529A (en) * | 2021-08-09 | 2021-10-01 | 西安海斯夫生物科技有限公司 | Phytosterol isostearate microcapsule for water-based cosmetics |
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