CN101856124B - Preparation technology for polyunsaturated fatty acid oil microcapsule - Google Patents
Preparation technology for polyunsaturated fatty acid oil microcapsule Download PDFInfo
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- CN101856124B CN101856124B CN2010101990301A CN201010199030A CN101856124B CN 101856124 B CN101856124 B CN 101856124B CN 2010101990301 A CN2010101990301 A CN 2010101990301A CN 201010199030 A CN201010199030 A CN 201010199030A CN 101856124 B CN101856124 B CN 101856124B
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- fatty acid
- polyunsaturated fatty
- drying device
- preparation technology
- fluidized drying
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- 239000003094 microcapsule Substances 0.000 title claims abstract description 46
- 235000020777 polyunsaturated fatty acids Nutrition 0.000 title claims abstract description 46
- 238000005516 engineering process Methods 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000000839 emulsion Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims abstract description 6
- 239000004519 grease Substances 0.000 claims description 49
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- 229920002774 Maltodextrin Polymers 0.000 claims description 13
- 239000005913 Maltodextrin Substances 0.000 claims description 13
- 229940035034 maltodextrin Drugs 0.000 claims description 13
- 229920002472 Starch Polymers 0.000 claims description 11
- 239000008107 starch Substances 0.000 claims description 11
- 235000019698 starch Nutrition 0.000 claims description 11
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims description 8
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- 239000001506 calcium phosphate Substances 0.000 claims description 8
- 239000005018 casein Substances 0.000 claims description 8
- 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 8
- 235000021240 caseins Nutrition 0.000 claims description 8
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 8
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 8
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 8
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 8
- 229940078499 tricalcium phosphate Drugs 0.000 claims description 8
- 229910000391 tricalcium phosphate Inorganic materials 0.000 claims description 8
- 235000019731 tricalcium phosphate Nutrition 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 102000004407 Lactalbumin Human genes 0.000 claims description 6
- 108090000942 Lactalbumin Proteins 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 235000006708 antioxidants Nutrition 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 229930003427 Vitamin E Natural products 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims description 4
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 claims description 4
- 235000019165 vitamin E Nutrition 0.000 claims description 4
- 229940046009 vitamin E Drugs 0.000 claims description 4
- 239000011709 vitamin E Substances 0.000 claims description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 3
- 239000011786 L-ascorbyl-6-palmitate Substances 0.000 claims description 3
- QAQJMLQRFWZOBN-LAUBAEHRSA-N L-ascorbyl-6-palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](O)[C@H]1OC(=O)C(O)=C1O QAQJMLQRFWZOBN-LAUBAEHRSA-N 0.000 claims description 3
- 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 description 3
- 229930006000 Sucrose Natural products 0.000 claims description 3
- 235000010385 ascorbyl palmitate Nutrition 0.000 claims description 3
- 239000008103 glucose Substances 0.000 claims description 3
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 3
- 235000013824 polyphenols Nutrition 0.000 claims description 3
- 235000010378 sodium ascorbate Nutrition 0.000 claims description 3
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 claims description 3
- 229960005055 sodium ascorbate Drugs 0.000 claims description 3
- PPASLZSBLFJQEF-RXSVEWSESA-M sodium-L-ascorbate Chemical compound [Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RXSVEWSESA-M 0.000 claims description 3
- 239000005720 sucrose Substances 0.000 claims description 3
- 229920001817 Agar Polymers 0.000 claims description 2
- 108010082495 Dietary Plant Proteins Proteins 0.000 claims description 2
- 239000008272 agar Substances 0.000 claims description 2
- 229940023476 agar Drugs 0.000 claims description 2
- 235000010419 agar Nutrition 0.000 claims description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 2
- 229960003563 calcium carbonate Drugs 0.000 claims description 2
- 235000010216 calcium carbonate Nutrition 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 229940032147 starch Drugs 0.000 claims description 2
- 235000013616 tea Nutrition 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 4
- 235000016709 nutrition Nutrition 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 238000005422 blasting Methods 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- YZXBAPSDXZZRGB-DOFZRALJSA-N arachidonic acid Chemical compound CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O YZXBAPSDXZZRGB-DOFZRALJSA-N 0.000 description 26
- 235000021342 arachidonic acid Nutrition 0.000 description 13
- 229940114079 arachidonic acid Drugs 0.000 description 13
- MBMBGCFOFBJSGT-KUBAVDMBSA-N docosahexaenoic acid Natural products CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCC(O)=O MBMBGCFOFBJSGT-KUBAVDMBSA-N 0.000 description 12
- 235000020669 docosahexaenoic acid Nutrition 0.000 description 10
- 239000012530 fluid Substances 0.000 description 7
- 238000000265 homogenisation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 235000010489 acacia gum Nutrition 0.000 description 3
- 239000001785 acacia senegal l. willd gum Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 2
- JAZBEHYOTPTENJ-JLNKQSITSA-N all-cis-5,8,11,14,17-icosapentaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O JAZBEHYOTPTENJ-JLNKQSITSA-N 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 229940090949 docosahexaenoic acid Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000020673 eicosapentaenoic acid Nutrition 0.000 description 2
- 229960005135 eicosapentaenoic acid Drugs 0.000 description 2
- JAZBEHYOTPTENJ-UHFFFAOYSA-N eicosapentaenoic acid Natural products CCC=CCC=CCC=CCC=CCC=CCCCC(O)=O JAZBEHYOTPTENJ-UHFFFAOYSA-N 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 235000020778 linoleic acid Nutrition 0.000 description 2
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920000107 Acetylated distarch adipate Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 206010011732 Cyst Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 108010084695 Pea Proteins Proteins 0.000 description 1
- 206010034960 Photophobia Diseases 0.000 description 1
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- 230000033228 biological regulation Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
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- 239000008120 corn starch Substances 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000004626 essential fatty acids Nutrition 0.000 description 1
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- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000020664 gamma-linolenic acid Nutrition 0.000 description 1
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Images
Abstract
The invention relates to a preparation technology for polyunsaturated fatty acid oil microcapsules, which comprises the following technological steps: mixing oil containing polyunsaturated fatty acid with emulsifier and water to obtain mixture; homogenizing the mixture to obtain emulsion; atomizing the emulsion into liquid drops which are sprayed into a preheated fluidized drying device, wherein the temperature in the fluidized drying device is 30-90 DEG C and powder embedding materials are contained at the bottom part of the fluidized drying device, and blasting air for drying to keep the temperature in the fluidized drying device to be 30-90 DEG C; and further drying and screening to obtain polyunsaturated fatty acid oil microcapsule products. The invention has the advantages that the temperature of the preparation technology is low and the nutritional ingredients are not apt to be damaged; the technology is simple and the automatic mass production is facilitated; and the oil embedding rate of the obtained independent polyunsaturated fatty acid oil microcapsule particles is high, the embedding performance is good, the product shelf life is long and the stability is good.
Description
Technical field
The present invention relates to a kind of preparation technology of polyunsaturated fatty acid grease microcapsules.
Background technology
Polyunsaturated fatty acid (Polyunsaturated fatty acids, PUFA) referring to contain two or more pairs key and carbon chain length is the straight chain fatty acid of 18～22 carbon atoms, mainly comprise linoleic acid (LA), gamma-Linolenic acid (GLA), arachidonic acid (AA), eicosapentaenoic acid (EPA) and DHA (DHA) etc., wherein, n-3 and n-6 series polyunsaturated fatty acid are as human essential fatty acid, in Human Physiology, bringing into play very crucial effect, be mainly manifested in: cardiovascular disease, preventing of the diseases such as cancer, the aspects such as the growth of promotion physiological cells and immunological regulation.And polyunsaturated fatty acid is owing to the reason of its structure, be easy to oxidized, in case after the oxidation, will produce the smell that becomes sour, thereby affect the taste of oil product etc., therefore polyunsaturated fatty acid is carried out effectively embedding and be added on the main contents that become present people's research in the food.
Microcapsules technology refer to utilize filmogen with solid, liquid or gas pockets in wherein, form the technology of the small container of tens microns to thousands of microns of diameters, the inner material that loads of microcapsules is called core (or claiming core material), and the wall film of outside packing is called wall material (or claiming coating material).Through the development of decades, microcapsules technology reaches its maturity, and is widely used in the industrial circles such as pharmacy, food, agricultural chemicals, spices, feed addictive and household chemicals.Wherein, microcapsules technology especially attracts people's attention in the preparation field of high added value oil and fat product.Behind microencapsulation, the thermal sensitivity of grease and light sensitivity reduce, thereby can prevent that liposoluble constituent is damaged, and improve trophism, flavor stability and the bioavilability of oil product.
At present, polyunsaturated fatty acid grease microcapsulesization generally all is to adopt the high temperature spray-drying method, and it is with low cost, and technique is simple, is easy to large-scale industrial production, but dry temperature required height, the easy inactivation of active component, and the slit is easily arranged on the cyst wall, compactness is poor.
Summary of the invention
Technical problem to be solved by this invention provides a kind of preparation technology of polyunsaturated fatty acid grease microcapsules.This preparation technology's temperature is low, and nutritional labeling is difficult for being damaged; Technique is simple, is convenient to large-scale production; The grease embedding rate of the independently polyunsaturated fatty acid grease microcapsules particle that obtains is high, and embeddability properties is good, and the product shelf phase is long, good stability.
The technical scheme that provides for the technical problem that solves the present invention's proposition is:
A kind of preparation technology of polyunsaturated fatty acid grease microcapsules is characterized in that: grease, emulsifying agent and the water that will contain polyunsaturated fatty acid mix, and obtain mixture; With the mixture homogeneous, obtain emulsion; Emulsion is atomized in the fluidized drying device that drop is injected to preheating, temperature in the fluidized drying device is 30 ℃～90 ℃, powder embedding material is equipped with in fluidized drying device bottom, and simultaneously forced air drying is to keep temperature in the fluidized drying device as 30 ℃～90 ℃; Then further dry, screening obtains the polyunsaturated fatty acid grease microcapsules product.
Press such scheme, described emulsifying agent is one or more the mixing in vegetable protein, casein, casein sodium, converted starch, lactalbumin, the food-grade glue; Described filler is one or more mixing of maltodextrin, glucose, sucrose; Described antioxidant is one or more mixing of sodium ascorbate, vitamin E, ascorbyl palmitate, Tea Polyphenols.
Press such scheme, described mixture also comprises antioxidant, filler; Described mixture by weight percentage, its mixing match is: the grease 10～30%, emulsifying agent 2～30%, antioxidant 0～0.5%, filler 0～30%, the water 30～70% that contain polyunsaturated fatty acid.
Press such scheme, described mixing temperature is preferably 30～80 ℃.
Press such scheme, the atomizing type of described emulsion is pressure type atomizing, centrifugal spraying or air-blast atomization; The atomizing of described pressure type atomizing pressure be 0.5MPa～2MPa; Centrifugal pan rotating speed during centrifugal spraying is 2000～5000rpm/min; The stream pressure of air-blast atomization is 0.01～0.2MPa.Adopt final products particle size range that this atomization condition obtains between 50～400 μ m.
Press such scheme, described powder embedding material is one or more the mixing in starch, microcrystalline cellulose, tricalcium phosphate, calcium carbonate, agar powder, the maltodextrin; The weight proportion of described powder embedding material and emulsion is 10: 1～1: 2.
Press such scheme, described powder embedding material joins in the fluidized drying device in forced air drying continuously or off and on.
Press such scheme, described further drying is to transfer to external fluidized bed middle drying at the fluidized drying device inner drying or by induction system, and wherein the temperature in the fluidized drying device is less than or equal to 90 ℃; External fluidized bed temperature is less than or equal to 70 ℃.
Press such scheme, in the polyunsaturated fatty acid grease microcapsules product that the preparation technology of described polyunsaturated fatty acid grease microcapsules obtains, powder embedding material shared percentage by weight in final products is 20～50%.
Beneficial effect of the present invention:
(1) this process using a kind of new dry technology, namely under fluidized state, the drop part that atomizing is obtained is dry, the powder embedding material parcel that is blown afloat simultaneously, and then by further low temperature drying, obtaining the microcapsule granule product, its baking temperature is low, polyunsaturated fatty acid is not easy oxidation, and nutritional labeling is difficult for being damaged; Technique is simple, is convenient to large-scale production;
(2) the independently polyunsaturated fatty acid grease microcapsules granule interior that obtains is fine and close, tight, and the grease embedding rate is high, good fluidity;
(3) in emulsion being atomized into the fluidized drying device that drop is injected to preheating, adopt powder embedding material that polyunsaturated fatty acid is carried out the secondary embedding, embedding rate and the embeddability properties of grease have been improved, effectively completely cut off contacting of polyunsaturated fatty acid and air, thereby further improved product shelf phase and the stability of this oil product.
Description of drawings
Fig. 1 is preparation technology's flow chart of polyunsaturated fatty acid grease microcapsules.
The specific embodiment
Embodiment 1
Table 1
| Arachidonic acid content is 40% grease | Maltodextrin | Casein sodium | Converted starch | Lactalbumin | Arabic gum | Sodium ascorbate | Water |
| 500g | 400g | 30g | 30g | 380g | 1g | 5g | 1000g |
After 40 ℃ of mixing, homogeneous under the homogenization pressure of 20MPa obtains uniform emulsion with the described batching of table 1; Then adopt high-pressure pump, emulsion is atomized in the fluidized drying device that drop sprays into preheating by atomizing lance, the atomizing pressure of described pressure type atomizing is 0.5MPa, temperature in the fluidized drying device is 90 ℃, 5000g starch is equipped with in the fluidized drying device bottom, and simultaneously air blast is not less than 70 ℃ with the temperature of keeping in the fluidized drying device, makes the drop of atomizing dry by part, and the starch that is blown afloat by one deck bottom wraps up, after emulsion is all sprayed into fluidized drying device; The temperature that improves again fluidized drying device is 80 ℃, further dry 3min, screening, isolate unnecessary powder embedding material starch, being about to it uses first 60 mesh standard sieves to sieve, then the screenings that obtains (granularity is passed sieve aperture less than the material of sieve aperture becomes screenings) is sieved through 100 mesh standard sieves, the oversize that obtains (granularity then resides in compass screen surface greater than the material of sieve aperture becomes oversize) is the arachidonic acid microcapsule product.
Detect:
| Arachidonic acid content | Yield | Moisture | The grease embedding rate |
| 10.52％ | 81％ | 3.2％ | 99.88％ |
Can extrapolate according to testing result that content of starch is 45% in the product.
Embodiment 2
Table 2
| Arachidonic acid content is 40% grease | Pea protein | Lactalbumin | Arabic gum | Maltodextrin | Vitamin E | Water |
| 50Kg | 2Kg | 39Kg | 2Kg | 40Kg | 1Kg | 100Kg |
After 60 ℃ of mixing, homogeneous under the homogenization pressure of 40MPa obtains uniform emulsion with the described batching of table 2; Then 90 ℃ of insulation 3min sterilize; Adopt again high-pressure pump, emulsion is atomized in the fluidized drying device that drop sprays into preheating by atomizing lance, the atomizing pressure of described pressure type atomizing is 2MPa, temperature in the fluidized drying device is 80 ℃, the 100Kg microcrystalline cellulose is equipped with in the fluidized drying device bottom, simultaneously air blast is not less than 50 ℃ with the temperature of keeping in the fluidized drying device, make the drop of atomizing dry by part, and the microcrystalline cellulose that is blown afloat by one deck bottom wraps up, adopt at the same time vacuum feeding equipment constantly in fluidized drying device, to replenish the 600kg microcrystalline cellulose, and constantly material is drawn onto in fluidized drying device and carries out drying the fluid bed, the baking temperature of fluid bed is not higher than 60 ℃, then dried finished product is sieved through 60 and 100 mesh sieves, separate microcapsule product and microcrystalline cellulose, obtain the arachidonic acid oil microcapsule product, and the microcrystalline cellulose that separation obtains is sent back in the fluidized drying device by induction system again.
Detect:
| Arachidonic acid content | Yield | Moisture | The grease embedding rate |
| 10.7％ | 95％ | 2.7％ | 99.9％ |
Can extrapolate according to testing result that the microcrystalline cellulose cellulose content is 42.3% in the product.
Embodiment 3
Table 3
| DHA content is 35% grease | Casein sodium | Lactalbumin | Arabic gum | Glucose | Vitamin E | Water |
| 60Kg | 3Kg | 37Kg | 3Kg | 40Kg | 1.5Kg | 200Kg |
After 80 ℃ of mixing, homogeneous under the homogenization pressure of 60MPa obtains uniform emulsion with the described batching of table 3; Then 90 ℃ of insulation 3min sterilize; By delivery pump emulsion is sent in the centrifugal pan on the fluidized drying device again, then emulsion is atomized into drop and is distributed in the fluidized drying device of preheating under the high speed centrifugation effect of centrifugal pan, the centrifugal pan rotating speed of described centrifugal spraying is 2000～3500r/min, temperature in the fluidized drying device is 90 ℃, the tricalcium phosphate of 100Kg is equipped with in the fluidized drying device bottom, simultaneously air blast is not less than 50 ℃ with the temperature of keeping in the fluidized drying device, make the drop of atomizing dry by part, and wrapped up by the tricalcium phosphate that the bottom blowing of one deck tower rises, adopt at the same time vacuum feeding equipment constantly in fluidized drying device, to replenish the 500Kg tricalcium phosphate, and constantly material is sucked in fluidized drying device and carries out drying the fluid bed, the baking temperature of fluid bed is not higher than 60 ℃; The microcapsules finished product that drying is good sieves through 60 and 100 mesh sieves, separates microcapsule product and tricalcium phosphate, obtains the docosahexaenoic acid grease microcapsule product, and the tricalcium phosphate that separation obtains is sent back in the fluidized drying device by induction system.
Detect:
| DHA content | Yield | Moisture | The grease embedding rate |
| 10.5％ | 91％ | 2.8％ | 99.91％ |
Can extrapolate according to testing result that tricalcium phosphate content is 41.8% in the product.
Embodiment 4
Table 4
| DHA content is 35% grease | Casein sodium | Lactalbumin | Maltodextrin | Ascorbyl palmitate | Water |
| 60Kg | 3Kg | 39Kg | 42Kg | 1Kg | 150Kg |
60 ℃ of mixing, homogeneous under the homogenization pressure of 80MPa forms uniform emulsion with the described batching of table 4; Then 90 ℃ of insulation 3min sterilize; Adopt again high-pressure pump, emulsion is atomized in the fluidized drying device that drop sprays into preheating by atomizing lance, the atomizing pressure of described pressure type atomizing is 2MPa, temperature in the fluidized drying device is 80 ℃, the calcium carbonate of 50Kg is equipped with in the fluidized drying device bottom, simultaneously air blast is not less than 50 ℃ with the temperature of keeping in the fluidized drying device, make the drop of atomizing dry by part, and wrapped up by the calcium carbonate that the bottom blowing of one deck tower rises, adopt at the same time vacuum feeding equipment constantly in fluidized drying device, to replenish 200Kg calcium carbonate, and constantly material is sucked in fluidized drying device and carries out drying the fluid bed, the baking temperature of fluid bed is not higher than 60 ℃; The microcapsules finished product that drying is good sieves through 60 and 100 mesh sieves, separates microcapsule product and calcium carbonate, obtains the docosahexaenoic acid grease microcapsule product, and the calcium carbonate of separating is got back in the fluidized drying device by induction system is defeated.
Detect:
| DHA content | Yield | Moisture | The grease embedding rate |
| 10.9％ | 93％ | 3.0％ | 99.85％ |
Can extrapolate according to testing result that calcium carbonate content is 36.1% in the product.
Embodiment 5
Table 5
| Arachidonic acid content is 40% grease | Casein sodium | Converted starch | Sucrose | Tea Polyphenols | Water |
| 50Kg | 7Kg | 6Kg | 70Kg | 1Kg | 110Kg |
60 ℃ of mixing, homogeneous under the homogenization pressure of 120MPa forms uniform emulsion with the described batching of table 5; Then 90 ℃ of insulation 3min sterilize; By delivery pump feed liquid is sent into atomizing lance, under the stream pressure of 0.05～0.1MPa, with pure air feed liquid is atomized in the fluidized drying device that drop sprays into preheating, temperature in the fluidized drying device is 40 ℃, the maltodextrin of 80Kg is equipped with in the fluidized drying device bottom, simultaneously air blast is not less than 40 ℃ with the temperature of keeping in the fluidized drying device, make the drop of atomizing dry by part, and wrapped up by the maltodextrin that the bottom blowing of one deck tower rises, adopt at the same time vacuum feeding equipment constantly in fluidized drying device, to replenish the 300kg maltodextrin, and constantly material is sucked in fluidized drying device in fluidized drying device and carries out drying the fluid bed, the fluidized bed drying temperature is not higher than 60 ℃; The microcapsules that drying is good sieve through 60 and 100 mesh sieves, separate microcapsule product and maltodextrin, obtain the arachidonic acid oil microcapsule product, and the maltodextrin of separating is still got back in the fluidized drying device by induction system.
Detect:
| Arachidonic acid content | Yield | Moisture | The grease embedding rate |
| 10.3％ | 89％ | 3.1％ | 99.88％ |
The content that can extrapolate maltodextrin in the product according to testing result is 40.1%.
Powder embedding material starch among the embodiment 1 is cornstarch or acetylated distarch adipate.
In the polyunsaturated fatty acid grease microcapsules product that above-described embodiment 1～5 obtains: arachidonic acid or DHA content are the percetage by weight of arachidonic acid or DHA in the polyunsaturated fatty acid grease microcapsules product; Contain the weight that contains the grease of polyunsaturated fatty acid in the weight/raw material of grease of polyunsaturated fatty acid in yield=polyunsaturated fatty acid grease microcapsules product; Moisture is the percetage by weight of water in the polyunsaturated fatty acid grease microcapsules product; The grease embedding rate is percetage by weight.
Claims (8)
1. the preparation technology of a polyunsaturated fatty acid grease microcapsules is characterized in that: will contain grease, emulsifying agent and the water mixing of polyunsaturated fatty acid, and obtain mixture; With the mixture homogeneous, obtain emulsion; Emulsion is atomized in the fluidized drying device that drop is injected to preheating, temperature in the fluidized drying device is 30 ℃ ~ 90 ℃, powder embedding material is equipped with in the fluidized drying device bottom, described powder embedding material is one or more the mixing in starch, microcrystalline cellulose, tricalcium phosphate, calcium carbonate, agar powder, the maltodextrin, and simultaneously forced air drying is to keep temperature in the fluidized drying device as 30 ℃ ~ 90 ℃; Then further dry, screening obtains the polyunsaturated fatty acid grease microcapsules product;
Wherein: the atomizing type of described emulsion is pressure type atomizing, centrifugal spraying or air-blast atomization; The atomizing of described pressure type atomizing pressure be 0.5MPa ~ 2MPa; Centrifugal pan rotating speed during centrifugal spraying is 2000 ~ 5000rpm/min; The stream pressure of air-blast atomization is 0.01 ~ 0.2MPa;
The weight proportion of described powder embedding material and emulsion is 10:1 ~ 1:2.
2. the preparation technology of polyunsaturated fatty acid grease microcapsules according to claim 1 is characterized in that: described emulsifying agent is one or more the mixing in vegetable protein, casein, casein sodium, converted starch, lactalbumin, the food-grade glue.
3. the preparation technology of polyunsaturated fatty acid grease microcapsules according to claim 1, it is characterized in that: described mixture also comprises antioxidant, filler; Described mixture by weight percentage, its mixing match is: the grease 10 ~ 30%, emulsifying agent 2 ~ 30%, antioxidant 0 ~ 0.5%, filler 0 ~ 30%, the water 30 ~ 70% that contain polyunsaturated fatty acid.
4. the preparation technology of polyunsaturated fatty acid grease microcapsules according to claim 3 is characterized in that: described filler is one or more mixing of maltodextrin, glucose, sucrose; Described antioxidant is one or more mixing of sodium ascorbate, vitamin E, ascorbyl palmitate, Tea Polyphenols.
5. the preparation technology of polyunsaturated fatty acid grease microcapsules according to claim 1, it is characterized in that: described mixing temperature is 30 ~ 80 ℃.
6. the preparation technology of polyunsaturated fatty acid grease microcapsules according to claim 1, it is characterized in that: described powder embedding material joins in the fluidized drying device in forced air drying continuously or off and on.
7. the preparation technology of polyunsaturated fatty acid grease microcapsules according to claim 1, it is characterized in that: described further drying is to transfer to external fluidized bed middle drying at the fluidized drying device inner drying or by induction system, and wherein the temperature in the fluidized drying device is less than or equal to 90 ℃; External fluidized bed temperature is less than or equal to 70 ℃.
8. the preparation technology of polyunsaturated fatty acid grease microcapsules according to claim 1, it is characterized in that: in the polyunsaturated fatty acid grease microcapsules product that the preparation technology of described polyunsaturated fatty acid grease microcapsules obtains, powder embedding material shared percentage by weight in final products is 20 ~ 50%.
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| CN102318888A (en) * | 2011-08-26 | 2012-01-18 | 嘉吉烯王生物工程（武汉）有限公司 | Microcapsule preparation method and product thereof |
| CN104621570B (en) * | 2015-03-11 | 2017-04-26 | 杨昭鹏 | High-stability algae oil DHA microcapsule powder and preparation method thereof |
| CN109699986B (en) * | 2018-12-29 | 2022-08-26 | 明富（上海）健康科技有限公司 | Equipment for industrially producing oil embedded sour agent particles and production method thereof |
| CN110100959A (en) * | 2019-06-12 | 2019-08-09 | 瞿瀚鹏 | Ruminant rumen grease and its preparation method and application |
| CN110140967B (en) * | 2019-06-21 | 2022-12-13 | 上海世康特制药有限公司 | Compound nutritional suspension and preparation method and application thereof |
| CN112274494A (en) * | 2019-07-24 | 2021-01-29 | 重庆桑禾动物药业有限公司 | Preparation of novel high-stability vitamin D3 microcapsule dispersing agent |
| CN113287747A (en) * | 2021-03-29 | 2021-08-24 | 河南中大恒源生物科技股份有限公司 | Preparation method of plant extract dry powder |
| CN113598210B (en) * | 2021-06-29 | 2024-04-05 | 嘉必优生物技术（武汉）股份有限公司 | DHA microcapsule powder used in baked food and yeast fermented baked food |
| CN114376076B (en) * | 2021-12-20 | 2024-03-08 | 嘉必优生物技术（武汉）股份有限公司 | Lactose-free or lactose-free milk protein powder, and preparation method and application thereof |
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| CN101669920A (en) * | 2008-09-10 | 2010-03-17 | 阜宁怀仁生物有限公司 | Strong anti-oxidation DHA microcapsule and preparation method thereof |
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| CN101669920A (en) * | 2008-09-10 | 2010-03-17 | 阜宁怀仁生物有限公司 | Strong anti-oxidation DHA microcapsule and preparation method thereof |
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