CN104824651B - The krill oil microcapsule and its preparation technology of a kind of high content - Google Patents

The krill oil microcapsule and its preparation technology of a kind of high content Download PDF

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CN104824651B
CN104824651B CN201510266427.0A CN201510266427A CN104824651B CN 104824651 B CN104824651 B CN 104824651B CN 201510266427 A CN201510266427 A CN 201510266427A CN 104824651 B CN104824651 B CN 104824651B
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krill oil
oil
krill
phase
microcapsule
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CN104824651A (en
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何同胜
关荣荣
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WUHAN ZIPON CHEMICAL TECHNOLOGY Co Ltd
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WUHAN ZIPON CHEMICAL TECHNOLOGY Co Ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23DEDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
    • A23D9/00Other edible oils or fats, e.g. shortenings, cooking oils
    • A23D9/02Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
    • A23D9/04Working-up
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Abstract

The present invention relates to the krill oil microcapsule and its preparation technology of a kind of high content, the technique adds a small amount of xanthans with krill oil, micropore starch as core in oil phase;With chitosan oligosaccharide, oxidized starch as wall material, mix in proportion with oil phase antioxidant, water phase antioxidant, emulsifying agent, dispersant etc., be made microemulsion, then spray-dried be made krill oil microcapsules pulvis.The content of phospholipid of gained krill oil microcapsule product is 10 30%, maintain bioactivity, improve krill oil to the stability of photo-thermal, soda acid etc., in cold water also have good dissolubility, more conducively process, transport and store, substantially increase security, mobility and the water solubility of product, the range of application of krill oil is expanded, is excellent healthy food material, be widely applied to dairy products, drink, health products, baking, tablet etc..Prepare that krill oil microcapsules pulvis yield is high using the technique, content of phospholipid is high in product, is suitable to largely prepare krill oil microcapsules pulvis, realizes serialization large-scale production.

Description

The krill oil microcapsule and its preparation technology of a kind of high content
Technical field
The present invention relates to the production technical field of krill oil microcapsule, and in particular to a kind of krill oil microcapsule of high content And its preparation technology.
Background technology
Krill is one of the biology of highest containing protein having been found that, protein content up to 50 percent with On, but also be that the Nature is presented to the day of the mankind containing amino acid and vitamin A necessary to extremely abundant tissue Right healthy food, contains the irreplaceable effect of other food.
The phosphatide mating type Omega-3 that antarctic krill oil contains(Including EPA and DHA), than the triglyceride type in fish oil Omega-3 is easier to absorb, and is effective source of DHA and EPA.In addition, krill oil also contains natural --- shrimp is blue or green Element.Astaxanthin also has protective effect except energy prevention of cardiovascular disease to retina and central nervous system.The health care of krill oil Function includes:Reduction blood fat, cholesterol, prevention cerebral hemorrhage, cerebral thrombus;Reduce blood viscosity, stimulate circulation, prevent Hypertension;Brain tonic and intelligence development, active thinking prevents senile dementia;Protection neuron membrane, strengthens notice and memory, reason Xie Li;Promote Fetal Brain development;It is antifatigue;Alleviate gout and rheumatoid arthritis;Reduce stiff, swelling and Tender Joint; Green Tea Extract, delaying aging;It is obviously improved wrinkle of skin depth;Support vision health;Improve women's premenstrual molimen symptom etc..
In China, the exploitation to krill resource is still in starting stage, in China's patent protection, krill oil extract The patent of aspect accounts for main body, and the patent of krill oil microcapsual powder or pulverulent product is less, and microcapsule powder krill oil content of phospholipid It is relatively low, therefore limit the range of application of krill oil.The weight of national marine development strategy deposit is had become due to krill Want one of content, thus accelerate the technical research of krill development of resources, prepare the krill oil microcapsule powder of high content, expand The range of application of krill oil, realizes the industrialization production to krill resource, is significant.
Spray drying process is that core material is dispersed in the solution containing capsule material, is well mixed, then by aerodynamic atomization Dry, solvent is evaporated rapidly, wall material solidification coats core material and forms micro-capsule wherein.
In the selection of microcapsule wall material, traditional more such as gelatin of wall material application, casein sodium, Arabic gum, but it is past It is relatively low toward the microcapsule product content for obtaining, it is unsuitable for the preparation of high content product.In addition, the product flowing of protide wall material Property, it is water-soluble relatively poor, particularly disadvantageous in cold water diffusion, release property is poor, the strong influence using effect of product.Cause This, prepares the krill oil microcapsules pulvis of high content, select suitable microcapsule wall material be to microcapsules technology it is the most key, It directly determines microencapsulation embedding effect, product content and release characteristics.
The content of the invention
A kind of technical problems to be solved by the invention, aiming at the deficiencies in the prior art, there is provided krill of high content Oil microcapsule and its preparation technology.The technique adds a small amount of xanthans with krill oil, micropore starch as core in oil phase;With Chitosan oligosaccharide, oxidized starch are wall material, are mixed in proportion with oil phase antioxidant, water phase antioxidant, emulsifying agent, dispersant etc., Microemulsion is made, then spray-dried is made krill oil microcapsules pulvis.The content of phospholipid of gained krill oil microcapsule product is 10-30%, maintains bioactivity, and improve krill oil also has well to the stability of photo-thermal, soda acid etc., in cold water Dissolubility, more conducively processes, transports and stores, and substantially increases security, mobility and the water solubility of product, expands phosphorus The range of application of shrimp sauce, is excellent healthy food material, is widely applied to dairy products, drink, health products, baking, tablet etc.. Prepare that krill oil microcapsules pulvis yield is high using the technique, content of phospholipid is high in product, is suitable to largely prepare the micro- glue of krill oil Capsule pulvis, realizes serialization large-scale production.
The krill oil microcapsule and its preparation technology of a kind of high content, it is characterised in that:Described krill oil microcapsule by Core, wall material, oil phase antioxidant, water phase antioxidant, emulsifying agent, dispersant composition,
Described wall material is chitosan oligosaccharide, oxidized starch and a small amount of xanthans;
Described core is krill oil, micropore starch;
Described dispersant is the one kind or any two or three in sucrose, glucose, trehalose, lactose;
Described oil phase antioxidant is natural VE, butylated hydroxy anisole(BHA), butyl hydroxy toluene (BHT), propylgallate(PG), TBHQ(TBHQ)In one kind or any two or three;
Described water phase antioxidant is Tea Polyphenols, ascorbic acid, EDTA-Na, sodium ascorbate, D-araboascorbic acid sodium In one kind or any two or three;
Described emulsifying agent is the one kind or any two or three in monoglyceride, sucrose fatty ester, lecithin.
Preferably, the preparation technology of the krill oil microcapsule of a kind of high content as described above, it is characterised in that including such as Lower step:
(1)Stir molten during the chitosan oligosaccharide of the oxidized starch of 10-60%, 1-5% is added into 60~100 DEG C, the water of 50-90% Solution, the emulsifying agent of the dispersant of 0.1-6%, the water phase antioxidant of 0.1-6%, 0.1-6% is added in the solution for having dissolved, Stirring is allowed to well mixed, 50~70 DEG C of insulation stand for standby use, and water phase is obtained;
(2)The krill oil of 10-80%, the micropore starch of 1-10%, the xanthans of 0.1-0.25%, 0.1~1% oil phase are resisted Oxidant mixes, 60~90 DEG C of 3~10min of oil bath, and oil phase is obtained;
(3)The water phase and oil phase that will have been dissolved are while blowing, controls flow, by water phase respectively:Oil phase=5-1:1(Quality Than)With pipeline cutter on-line mixing, 10000~16000 revs/min of 5~10min of revolution, 19000~28000 rev/min 5~ 8min, then homogeneous under 30~50Mpa again, is obtained microemulsion;
(4)Microemulsion is spray-dried, spray tower intake air temperature is controlled in 150~190 DEG C, air outlet temperature control System is in 60~90 DEG C, 1000~1400r/min of atomizer rotating speed;Krill oil microcapsule is obtained.
Advantageous Effects of the invention are:
1st, with chitosan oligosaccharide as wall material.In patent document both domestic and external, using shitosan as the more of wall material, using chitosan oligosaccharide For wall material is little, but chitosan oligosaccharide is compared with shitosan, more advantage.Chitosan oligosaccharide is that the degree of polymerization after degradation of chitosan is 2-10 Product.Shitosan is water insoluble and aqueous slkali, dissolves in most of low concentration inorganic acids or organic acid, therefore as wall material, Must generally be dissolved in acetic acid and use, and chitosan oligosaccharide is water-soluble, acid and alkaline solution, using more extensive.Chitosan oligosaccharide has more preferable Moisture absorption, moisturizing and film forming, the characteristic for good biocompatibility and easily absorbing, its filming performance is to make the micro- glue of krill oil The ideal material of capsule, reaches the effect of slow-release controlled-release core, keeps krill oil bioactivity, and chitosan oligosaccharide molecular weight is small, 99% with On can be absorbed, can be widely applied to food, medicine, cosmetics, agricultural and feedstuff industry.
2nd, use micropore starch as core and adsorbent in technical solution of the present invention, the function of sheltering can be played, prevent Only krill oil is oxidized, and is used cooperatively with oxidized starch, xanthans, product is reached highest bioactivity, improves storage phase.
3rd, oil phase with the addition of a small amount of xanthans as wall material in this technique, and xanthans has unique strong anti-oxidation Can, it is highly beneficial for oxidizable krill oil core.In addition, xanthans has larger viscosity, special shearing Can be conducive to the stabilization of emulsion with high emulsibility, the compactness of wall material and the oxidation resistance of product can be strengthened.Xanthans Droplet for forming larger in spray-drying process is highly beneficial, can obtain larger particles and improve the stream of microscapsule powder Dynamic property.
4th, krill oil microcapsule preparation process of the present invention, products obtained therefrom maintains bioactivity, improves krill oil Stability to photo-thermal, soda acid etc., also there is good dissolubility in cold water, more conducively process, transport and store, carry significantly The high security of product, mobility and water solubility, expand the range of application of krill oil, are excellent healthy food materials, It is widely applied to dairy products, drink, health products, baking, tablet etc..Krill oil microcapsules pulvis yield is prepared using the technique Height, content of phospholipid is high in product, is suitable to largely prepare krill oil microcapsules pulvis, realizes serialization large-scale production.
Specific embodiment
For the technical characterstic for illustrating the present invention program can be understood, with reference to specific embodiment, the present invention is illustrated. But protection scope of the present invention is not limited to these embodiments.It is every equal without departing substantially from the change of present inventive concept or equivalent substitute It is included within protection scope of the present invention.
Embodiment 1
(1)The oxidized starch of 35kg, 3kg chitosan oligosaccharides are added to stirring and dissolving in 90 DEG C of 210kg water, by 5kg marine algas Sugar, 5kg EDTA-Na, 0.1kg monoglycerides are added in the solution for having dissolved, and stirring is allowed to well mixed, 50~70 DEG C of insulations Stand for standby use, is obtained water phase;
(2)By 65kg krill oils(Content of phospholipid is 40%), 5kg micropore starch, 0.2kg xanthans, 0.1kg naturally tie up life Plain E, 0.1kg TBHQ(TBHQ)Mixing, 90 DEG C of 3~10min of oil bath are obtained oil phase.
(3)The water phase and oil phase that will have been dissolved are while blowing, controls flow, by water phase respectively:Oil phase=4:1(Mass ratio) With pipeline cutter on-line mixing, 10000~16000 revs/min of 5~10min of revolution, 19000~28000 revs/min of 5~8min, Then homogeneous under 30~50Mpa again, is obtained microemulsion.
(4)Microemulsion is spray-dried, spray tower intake air temperature is controlled in 150~190 DEG C, air outlet temperature control System is in 60~90 DEG C, 1000~1400r/min of atomizer rotating speed;Krill oil microcapsule is obtained.Phosphatide contains in the microcapsule product Amount is not less than 20%.
Embodiment 2
(1)The oxidized starch of 25kg, 2kg chitosan oligosaccharides are added to stirring and dissolving in 90 DEG C of 210kg water, by 5kg marine algas Sugar, 5kg EDTA-Na, 0.1kg monoglycerides are added in the solution for having dissolved, and stirring is allowed to well mixed, 50~70 DEG C of insulations Stand for standby use, is obtained water phase;
(2)By 80kg krill oils(Content of phospholipid is 40%), 5kg micropore starch, 0.2kg xanthans, 0.1kg naturally tie up life Plain E, 0.1kg TBHQ(TBHQ)Mixing, 90 DEG C of 3~10min of oil bath are obtained oil phase.
(3)The water phase and oil phase that will have been dissolved are while blowing, controls flow, by water phase respectively:Oil phase=3:1(Mass ratio) With pipeline cutter on-line mixing, 10000~16000 revs/min of 5~10min of revolution, 19000~28000 revs/min of 5~8min, Then homogeneous under 30~50Mpa again, is obtained microemulsion.
(4)Microemulsion is spray-dried, spray tower intake air temperature is controlled in 150~190 DEG C, air outlet temperature control System is in 60~90 DEG C, 1000~1400r/min of atomizer rotating speed;Krill oil microcapsule is obtained.Phosphatide contains in the microcapsule product Amount is not less than 25%.
Embodiment 3
(1)The oxidized starch of 20kg, 1kg chitosan oligosaccharides are added to stirring and dissolving in 90 DEG C of 420kg water, by 5kg lactose, 5kg ascorbic acid, 0.2kg sucrose esters are added in the solution for having dissolved, and stirring is allowed to well mixed, and 50~70 DEG C of insulations stand It is standby, water phase is obtained;
(2)By 150kg krill oils(Content of phospholipid is 40%), 10kg micropore starch, 0.4kg xanthans, 0.2kg naturally tie up Raw element E, 0.2kg propylgallate(PG)Mixing, 90 DEG C of 3~10min of oil bath are obtained oil phase.
(3)The water phase and oil phase that will have been dissolved are while blowing, controls flow, by water phase respectively:Oil phase=3:1(Mass ratio) With pipeline cutter on-line mixing, 10000~16000 revs/min of 5~10min of revolution, 19000~28000 revs/min of 5~8min, Then homogeneous under 30~50Mpa again, is obtained microemulsion.
(4)Microemulsion is spray-dried, spray tower intake air temperature is controlled in 150~190 DEG C, air outlet temperature control System is in 60~90 DEG C, 1000~1400r/min of atomizer rotating speed;Krill oil microcapsule is obtained.Phosphatide contains in the microcapsule product Amount is not less than 30%.

Claims (1)

1. the preparation technology of the krill oil microcapsule of a kind of high content, it is characterised in that comprise the following steps:
(1)Stirring and dissolving during the chitosan oligosaccharide of the oxidized starch of 10-60%, 1-5% is added into 60~100 DEG C, the water of 50-90%, will The dispersant of 0.1-6%, the water phase antioxidant of 0.1-6%, the emulsifying agent of 0.1-6% are added in the solution for having dissolved, and stirring makes Well mixed, 50~70 DEG C of insulation stand for standby use are obtained water phase;
(2)The krill oil of 10-80%, the micropore starch of 1-10%, the xanthans of 0.1-0.25%, 0.1~1% oil phase is anti-oxidant Agent mixes, 60~90 DEG C of 3~10min of oil bath, and oil phase is obtained;
(3)The water phase and oil phase that will have been dissolved are while blowing, controls flow, water phase, oil phase 5-1 in mass ratio respectively:1 uses pipeline Cutter on-line mixing, 10000~16000 revs/min of 5~10min of revolution, 19000~28000 revs/min of 5~8min, Ran Houzai Homogeneous under 30~50Mpa, is obtained microemulsion;
(4)Microemulsion is spray-dried, at 150~190 DEG C, air outlet temperature control exists the control of spray tower intake air temperature 60~90 DEG C, 1000~1400r/min of atomizer rotating speed is obtained krill oil microcapsule.
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