CN109464425A - A kind of probiotics embedded particles and preparation method thereof - Google Patents

A kind of probiotics embedded particles and preparation method thereof Download PDF

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CN109464425A
CN109464425A CN201811635102.5A CN201811635102A CN109464425A CN 109464425 A CN109464425 A CN 109464425A CN 201811635102 A CN201811635102 A CN 201811635102A CN 109464425 A CN109464425 A CN 109464425A
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probiotics
starch
layer
coating
lactobacillus
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CN109464425B (en
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邵卫樑
贾素中
夏祎稚
施云
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ONLY CO Ltd SHANGHAI JIANTONG UNIV
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ONLY CO Ltd SHANGHAI JIANTONG UNIV
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5073Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/66Microorganisms or materials therefrom
    • A61K35/74Bacteria
    • A61K35/741Probiotics
    • A61K35/744Lactic acid bacteria, e.g. enterococci, pediococci, lactococci, streptococci or leuconostocs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/66Microorganisms or materials therefrom
    • A61K35/74Bacteria
    • A61K35/741Probiotics
    • A61K35/744Lactic acid bacteria, e.g. enterococci, pediococci, lactococci, streptococci or leuconostocs
    • A61K35/745Bifidobacteria
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/66Microorganisms or materials therefrom
    • A61K35/74Bacteria
    • A61K35/741Probiotics
    • A61K35/744Lactic acid bacteria, e.g. enterococci, pediococci, lactococci, streptococci or leuconostocs
    • A61K35/747Lactobacilli, e.g. L. acidophilus or L. brevis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5036Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5036Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • A61K9/5047Cellulose ethers containing no ester groups, e.g. hydroxypropyl methylcellulose
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system

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Abstract

The present invention provides a kind of probiotics embedded particles and preparation method thereof, are related to probiotics technical field.Probiotics embedded particles of the present invention include three encapsulating layers outside probiotics core and the probiotics core, and the encapsulating layer is from inside to outside successively are as follows: starch protection layer, film coating separation layer and enteric coat layer.Viable detection is 39~49% after scheme of the present invention embedding;Survival rate after accelerating storage 2 months at 37 DEG C is 18~42%;And the survival rate of 60min is 77~85% in simulated gastric fluid, probiotics is remarkably improved in the viable bacteria content of shelf life, while most of probiotics can also be made to discharge in enteron aisle, to play beneficial effect.

Description

A kind of probiotics embedded particles and preparation method thereof
Technical field
The invention belongs to keep probiotic active technical field, and in particular to a kind of probiotics embedded particles and its preparation side Method.
Background technique
In recent years, probiotics has key effect in human health, has been widely used in multiple product, and by More and more people approve.Because probiotics preparation be to body and its in environment be provided with benefit viable bacteria, improve human body it is micro- The ecological balance.Therefore, viable count contained by unit formulation is one of the major criterion for evaluating probiotics preparation.And prebiotic becteriums product In probiotics raw material viable bacteria stability with regard to most important.Viable count and its time-to-live remove and strain sheet in probiotics preparation Body has outside the Pass, has very close relationship with dosage form, condition of storage.Since most probiotics are that anaerobism or inclined anaerobism are living Bacterium, general light, temperature, humidity and pH have a significant impact probiotics, and temperature is higher, and humidity is bigger, and viable bacteria life span is shorter.
In addition, probiotics must reach enteron aisle by gastric environment with a large amount of viable bacteria and be settled in competence exertion on intestinal mucosa Its physiological function can generate Beneficial Effect to human body by changing intestinal flora balance.However, there is many active probiotics to exist Just because that gastric acid and bile act on is dead before into enteron aisle, therefore the ability for proliferation of surviving in host is lower, very greatly Their probiotic effects are affected in degree.Therefore also just become another important finger of probiotic effect in the survival rate of enteron aisle Mark.
Various probiotics preparation products under normal conditions, to human body generate beneficial functional before, will undergo production process, Storage process and through intestines and stomach process.Therefore, the viable bacteria stability of the probiotics raw material in prebiotic becteriums product is just to Guan Chong It wants.
In order to extend the probiotics time-to-live to greatest extent, especially increase survival volume of the probiotics in enteron aisle, very It researchs and produces personnel more and has carried out embedding techniques in the application study in probiotics field, mainly include following four:
1. spray drying process: by probiotics and with wall material it is miscible with solution in, spray drying.Simple process, but probiotics Embedding rate is low, and because of dry aqueous solution, at least 60 DEG C or more of drying temperature, although the time is shorter, spray drying temperature is prebiotic Bacterium does not tolerate, and temperature is positively correlated with yield (i.e. mist flow), and 60 DEG C of spray drying yield is impossible to reach It is production-scale, although having hermetically sealed spray drying technology now, it can be spray-dried with low-temperature circulating, yield can be improved, only It is the experimental stage, but also wants 60 DEG C of circulations, and energy consumption greatly improves.
2. fluidized bed embeds: probiotics (mixing other auxiliary materials) powder to be embedded boils in fluidized bed, the spray of packaging material aqueous solution Mist coated powder, dry simultaneously, though temperature can be reduced to 40 DEG C or so, embedding rate is improved relative to spray drying, embedding Time is very long (preventing from bonding, mist flow cannot be big, and to dry after embedding).Probiotics is deposited in long-time thermal histories Motility rate is greatly reduced.
3. extrusion coacervation: it agglomerates different phases to form embedding using physical and chemical principle, but embeds not exclusively densification, Enteric packaging material is even more it is not possible that (low pH gastric juice is easily penetrated into).
4. high-pressure electrostatic method: making core material and packaging material band difference charge attract each other to form embedding, but this embedding is also not Fine and close, that is, the leakproofness being isolated from the outside world is very poor, and opposite probiotics will be isolated as far as possible for outside air and moisture, substantially It is nonsensical, needless to say stop the gastric acid liquid of low pH.
In conclusion improving the stability of probiotics solid material with embedding method, much still belong to experimental stage.Even if having Production-scale (as squeezed coacervation), can not have both the preservation characteristics and acidproof enteric characteristics of leakproofness.
Summary of the invention
In view of this, being prepared the purpose of the present invention is to provide a kind of probiotics embedded particles and preparation method thereof Probiotics embedded particles can guarantee viable bacteria content in shelf life, and a certain number of viable bacterias can be made to enter enteron aisle and acted as With.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of probiotics embedded particles, the probiotics embedded particles include probiotics core and described Three encapsulating layers outside probiotics core, the encapsulating layer is from inside to outside successively are as follows: starch protection layer, film coating separation layer and Enteric coat layer.
Preferably, the diameter of the probiotics core is 180~380 μm;The starch protection layer with a thickness of 40~80 μ m;The film coating separation layer with a thickness of 5~10 μm;The enteric coat layer with a thickness of 6~12 μm.
Preferably, the probiotics type of the probiotics core includes: lactobacillus plantarum, lactobacillus acidophilus, cheese cream bar Bacterium, lactobacillus paracasei, Lactobacillus rhamnosus, lactobacillus fermenti, Lactobacillus salivarius, Lactobacillus helveticus, lactobacillus reuteri, lattice Family name's lactobacillus, Lactobacillus crispatus, Yue Shi lactobacillus, lactobacillus bulgaricus, streptococcus thermophilus, bifidobacterium lactis, long bifid bar Two or more mixing in bacterium, bifidobacterium breve, bifidobacterium infantis, bifidobacterium bifidum and bifidobacterium adolescentis Strain.
The present invention also provides the preparation methods of above-mentioned probiotics embedded particles, comprising the following steps: (1) will be described prebiotic The bacterium powder of bacterium is successively embedded as core with starch and water layer by layer, until obtaining starch embedding after 1~3 times of bacterium powder weight gain Probiotic granulate;
(2) the starch embedding probiotic granulate is subjected to film coating with film-coating premixing material, until the starch packet After burying probiotic granulate weight gain 8~20%, film coating probiotic granulate is obtained;
(3) by the film coating probiotic granulate enteric coating liquid, enteric coating is carried out, until the film coating is beneficial It is dry that prebiotic bacterium bag buries particle after raw bacterium weight gain 8~30%.
Preferably, when step (1) described embedding, after one layer of starch and water embedding, next layer of starch is carried out again after drying With the embedding of water.
Preferably, embedded particles water content≤3% after drying.
Preferably, the type of starch includes porous-starch or resistant starch.
Preferably, temperature of charge when step (2) described film coating is 30~37 DEG C.
It preferably, include the raw material of following weight ratio: enteric material: plasticizer: anticaking agent=1 in the enteric coating liquid : 0.05~0.2: 0.25~0.5.
Preferably, the temperature of charge when enteric coating is 30~35 DEG C.
The present invention provides a kind of probiotics embedded particles, the probiotics embedded particles include probiotics core and described Three encapsulating layers outside probiotics core, the encapsulating layer is from inside to outside successively are as follows: starch protection layer, film coating separation layer and Enteric coat layer.Starch protection layer of the present invention can play heat protective effect, while probiotics can be avoided as far as possible direct with moisture Contact, as far as possible hot environment of the isolation in embedding process, guarantee probiotics living environment;The film coating separation layer tool There is leakproofness, the viable bacteria stability in shelf life can be improved and stops enteric-coating material in lower step living to probiotics Property influence;The enteric coat layer can make a certain amount of active probiotic enter enteron aisle to play work since its enteric acts on With.
The present invention also provides the preparation methods of the probiotics embedded particles to make difference using different embedding methods Encapsulating layer reaches different weight gain requirements, so that probiotics core be embedded layer by layer, significantly improves the activity and entrance of probiotics The amount of small intestine.
Detailed description of the invention
Fig. 1 is the schematic cross-section of probiotics embedded particles of the present invention.
Specific embodiment
The present invention provides a kind of probiotics embedded particles, the probiotics embedded particles include probiotics core and described Three encapsulating layers outside probiotics core, the encapsulating layer is from inside to outside successively are as follows: starch protection layer, film coating separation layer and Enteric coat layer.
The structure of probiotics embedded particles of the present invention is as shown in Figure 1, include probiotics core and the prebiotic sclerotium Three encapsulating layers outside core, the encapsulating layer is from inside to outside successively are as follows: starch protection layer, film coating separation layer and enteric coating Layer.The diameter of probiotics core of the present invention is preferably 180~380 μm.The thickness of starch protection layer of the present invention is preferred It is 40~80 μm.The thickness of film coating separation layer of the present invention is preferably 5~10 μm.Enteric coat layer of the present invention Thickness is preferably 6~12 μm.
The probiotics type of probiotics core of the present invention preferably includes: lactobacillus plantarum, lactobacillus acidophilus, cheese cream Bacillus, lactobacillus paracasei, Lactobacillus rhamnosus, lactobacillus fermenti, Lactobacillus salivarius, Lactobacillus helveticus, lactobacillus reuteri, Lactobacillus gasseri, Lactobacillus crispatus, Yue Shi lactobacillus, lactobacillus bulgaricus, streptococcus thermophilus, bifidobacterium lactis, long bifid Two or more mixed in bacillus, bifidobacterium breve, bifidobacterium infantis, bifidobacterium bifidum and bifidobacterium adolescentis Combined bacteria kind.
The present invention also provides the preparation methods of above-mentioned probiotics embedded particles, comprising the following steps: (1) will be described prebiotic The bacterium powder of bacterium is successively embedded as core with starch and water layer by layer, until obtaining starch embedding after 1~3 times of bacterium powder weight gain Probiotic granulate;
(2) the starch embedding probiotic granulate is subjected to film coating with film-coating premixing material, until the starch packet After burying probiotic granulate weight gain 8~20%, film coating probiotic granulate is obtained;
(3) the film coating probiotic granulate is subjected to enteric coating with enteric coating liquid, until the film coating is beneficial It is dry that prebiotic bacterium bag buries particle after raw bacterium weight gain 8~30%.
In the preparation process in accordance with the present invention, using the bacterium powder of the probiotics as core, layer is successively carried out with starch and water Layer embedding, until obtaining starch embedding probiotic granulate after 1~3 times of bacterium powder weight gain.The granularity of bacterium powder of the present invention is preferably 40~80 mesh.There is no particular determinations for method of the present invention to the embedding, preferably by centrifugal pellet processing machine or fluidized bed packet Clothing granulator, more preferably with centrifugal pellet processing machine.The present invention is to the utilization centrifugal pellet processing machine or fluidized bed coating granulator There is no particular determinations for method when being embedded, utilize the conventional method of this field.In embodiments of the present invention, it utilizes It is centrifuged pellet processing machine and carries out starch embedding operation, preferably include: that bacterium powder is placed in centrifugation pellet processing machine, first at 18~25 DEG C, Drum rotating speed and baffle tilt angle are adjusted, so that the material in pellet processing machine is scattered in maximum fan-shaped surfaces of revolution stabilization, then One layer of starch, one layer of water, successively coating, while keeping 30 ± 2 DEG C of pellet processing machine rotary drum temperature.Each starch dosage is uniformly attached with energy Upper particle rotation reduces starch dust to the greatest extent as degree.Addition water cannot be adhered every time with that particle can be made loosely to rotate, to the greatest extent Amount reduces starch subdivision and falls as degree;And when every packet later layer, it is necessary to dry to preceding layer.Continuously embedding granulation layer by layer, until The bacterium powder that feeds intake increases weight 1~3 times.After the completion of starch embedding granulation, it is not necessarily to re-dry.It can feed intake directly as next step operation.This Particle water content≤3% after inventing the stratum granulosum embedding.Starch of the present invention preferably includes normal starch, resistant starch Or porous-starch.The starch protection layer obtained after starch embedding of the present invention can become the protective layer of last barrier moisture, together When starch thermal capacity it is larger, can increase the heat resistance of probiotics, especially porous-starch or resistant starch, be more advantageous to subsequent step To probiotics by Thermal protection in rapid granulation or embedding process;But also it can be to avoid other encapsulating layers to the unfavorable of probiotics It influences.
The starch embedding probiotic granulate is carried out film coating with film-coating premixing material by the present invention, until the starch After embedding probiotic granulate weight gain 8~20%, film coating probiotic granulate is obtained.Film-coating premixing material of the present invention is preferred For thin, water soluble film coating premix, the raw material including following parts by weight: 82~88 parts of HPMC, Macrogol 6000 5~10 Part, 2~6 parts and 1~5 part of talcum powder of copolyvidone.The present invention is when carrying out the film coating, it is preferred to use film coating is pre- Mixed liquid, the film-coating premixing liquid are preferably that pure water and film-coating premixing material are prepared packet according to the weight ratio of 1 ︰ 5~20 Clothing slurries, are stirred to obtain the final product.Stirring of the present invention preferably includes the first stirring (slightly quickly stirring) and the second stirring (is stirred at a slow speed Mix), during configuring the film-coating premixing liquid, the speed of first stirring is preferably 100~150rpm, described The time of first stirring is preferably 3~5min (all adding film-coating premixing material within this time).The present invention preferably exists The film-coating premixing material all after dissolution, terminates the first stirring, carries out the second stirring, and the speed of second stirring is preferred Time for 30~60rpm, second stirring is preferably 45~60min.The present invention to the method for the film coating not There is particular determination, it is more preferably thin using high-efficient granule preferably by fluidized bed coating granulator or high-efficient granule film coater Film coating machine is coated.The present invention to the operating method of the fluidized bed coating granulator or high-efficient granule film coater simultaneously It is not particularly limited, preferably when using high-efficient granule film coater, the weight ratio of pure water and film-coating premixing material is excellent It is selected as 1:5~10;Whether good it is then turned on high-efficiency coating machine inspection machine, setting inlet air temperature is 78~88 DEG C, out wind-warm syndrome Degree be 38~42 DEG C, pour into particle, coating pan revolving speed be adjusted to 2~3rpm, Burners Positions be adjusted to separation from bed about 30~ At 40cm, start preheating material.To 32~38 DEG C of temperature of charge, spray air pressure starts to be coated in 0.5~0.6MPa, packet Coating pan revolving speed and enlargement discharge are gradually increased after 20~30min of clothing (be not adhered between particle as degree).In coating process, hold Continuous stirring coating solution, has sprayed whole slurries as early as possible, until requiring gain in weight, keeps the operating condition of air-heater at this time, drying is several Air-heater is turned off after minute, is opened cooling wind and is cooled to room temperature, discharges.
When using fluidized-bed coating machine granulation, the weight ratio of pure water and film-coating premixing material of the present invention is preferably 1:8~20;It is 30~35 DEG C (inlet air temperature is adjusted according to temperature of charge) that temperature of charge is arranged simultaneously;Spray air pressure is 0.05~0.2MPa;Air blast frequency be 25~45Hz (with all materials can bottom line all boiling be spend);Hydrojet flow Not agglomerate, bed endoparticle constant flow is degree.In coating process, coating solution is persistently stirred.Isolated layer film spray coating To gain in weight is required, stop by spraying, temperature of charge being kept persistently to rotarily dry to particle water content less than 3%.
Based calcium of the present invention can obstruct air and moisture, and sealing stops partition air and moisture to enter, maintains Low water content keeps probiotic active, while also can increase to the heat protective effect and enteric-coating material of probiotics to prebiotic Bacterium activity influence.
The film coating probiotic granulate is carried out enteric coating with enteric coating liquid by the present invention, until the film coating It is dry that prebiotic bacterium bag buries particle after probiotic granulate weight gain 8~30%.Preferably included in enteric coating liquid of the present invention with The raw material of lower weight ratio, wherein enteric material: plasticizer: anticaking agent=1: 0.05~0.2: 0.25~0.5.Intestines of the present invention Molten material preferably includes: EudragitL100-55 (being equivalent to domestic II resin), Eudragit L30D-55 (methacrylic acid With 1: 1 copolymer of ethyl acrylate) or kollicoatSR30D-55 (polyvinyl acetate).Plasticizer of the present invention includes Lemon triethylenetetraminehexaacetic acid ester (TEC), polyethylene glycol, diethyl phthalate (DEP) or dibutyl sebacate (DBS).It is of the present invention Anticaking agent includes talcum powder and glycerin monostearate.The present invention to the sources of the various raw materials in the molten coating solution not Particular determination utilizes the conventional commercial product of this field.The present invention to the preparation method of the enteric coating liquid not Particular determination utilizes ordinary skill in the art means.
In the present invention, it when carrying out enteric coating using fluidized bed coating granulator, is preferable to provide are as follows: temperature of charge 30~35 DEG C (inlet air temperature is adjusted according to temperature of charge);0.1~0.3MPa of spray air pressure (is adjusted) according to mist flow; 25~45Hz of air blast frequency (air blast frequency is related with Production Batch Size, with all materials can bottom line all boiling be Degree);Hydrojet flow is observed by observation window, not agglomerate, bed endoparticle constant flow is degree.Hydrojet is coated the increasing for reaching requirement After weight, stop by spraying, keeping temperature of charge and air blast frequency, fluidized drying to coated granule water content is less than 3%.
In the present invention, it when carrying out enteric coating operation using centrifugal pellet processing machine, is preferable to provide are as follows: by institute Film coating probiotic granulate is stated, is set in centrifugation pellet processing machine, first room temperature adjusts drum speed and baffle tilt angle, makes pellet processing machine In material scatter in maximum fan-shaped surfaces of revolution stabilization, while keeping 35 ± 2 DEG C of pellet processing machine rotary drum temperature.Start spraying rotation system Ball, spray amount cannot be adhered with that particle can be made loosely to rotate as degree.Coating process coating solution remains a constant speed stirring, the present invention The speed at the uniform velocity stirred is not particularly limited, precipitating is not preferably generated.When pill of the present invention, to spraying and There is no particular determinations for dry operation order, can be in continuous be sprayed, can also be to be dried with intermittent spraying with drying Spraying again afterwards, prevention is adhered.Spraying pill, which reaches, to be stopped after the gain in weight of requirement spraying, is continued drying out to water content less than 3%; Discharging.
The enteric coat layer that enteric coating of the present invention obtains can be such that probiotics is not deactivated in the gastric juice of low pH, And by whole releases after reaching small intestine, to give full play to the balanced action of the adjusting intestinal flora of probiotics.
Probiotics coated granule provided by the invention and preparation method thereof is described in detail below with reference to embodiment, But they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
Each layer embeds weight gain ratio: starch protection layer increases weight 2 times;Film coating separation layer weight gain 18%;Enteric coat layer Weight gain 10%.
Proportion:
Probiotics 500g: prebiotic for three kinds of lactobacillus plantarum (LP), Lactobacillus rhamnosus (LR) and lactobacillus fermenti (LF) The mixing of bacterium, viable bacteria index content: 100,000,000,000/g;
Starch 1000g: for porous-starch;
Isolated layer film is coated premix 270g: with HPMC, copolyvidone, Macrogol 6000, talcum powder for main material Material composition aqueous transparent film coating pre-mix dose;
Enteric-coating material 177g: wherein EudragitL100-55:102g, TEC:25g, talcum powder: 50g.
1. protective layer starch sheath particles operation (centrifugation pellet processing machine):
Mixing probiotics LP, LR and LF are set in centrifugation pellet processing machine, 40~80 bacterium powder are set in centrifugation pellet processing machine, first room Temperature adjusts drum rotating speed and baffle tilt angle, so that the material in pellet processing machine is scattered in maximum fan-shaped surfaces of revolution stabilization, so Later layer starch, one layer of water, successively coating, while keeping 30 ± 2 DEG C of pellet processing machine rotary drum temperature.Each starch dosage is uniform with energy Particle rotation is enclosed, reduces starch degree of being subdivided into the greatest extent.Addition water cannot be adhered every time with that particle can be made loosely to rotate, Starch subdivision is reduced to the greatest extent to fall as degree.Every packet later layer, it is necessary to dry to preceding layer.Continuously embedding granulation layer by layer, until Grain weight is to feed intake 2 times of probiotics, i.e. particle total weight reaches 1500g.Stop covering, rotary drying to particle water content 3% or less.Discharging.
2. isolated layer film coating operations (fluidized bed coating granulator):
In film coating pre-mix dose: the ratio of water=1kg: 10L prepares coating slurries, will by 18% coating weight gain amount Water is set in mixer, then film coating pre-mix dose is gradually poured into mixer by side, and side is slightly quickly stirred, to film coating in 5min After pre-mixing agent all adds, then 45min is mixed slowly, prepares film coating liquid.
Isolated layer film coating is carried out with fluidized bed coating granulator, is arranged: temperature of charge: 32 ± 2 DEG C;
Air blast frequency: 25~45Hz;According to material specific gravity in fluidized bed (because of water content difference), adjust at any time.
Hydrojet flow: being observed by observation window, and not agglomerate, bed endoparticle constant flow is degree.
Isolated layer film spray coating stops by spraying, keeping temperature of charge persistently to rotarily dry is to gain in weight is required Grain water content is less than 3%.
3. enteric material coating operations (centrifugation pellet processing machine)
It weighs 25g plasticizer and is dissolved in middle water, it is spare.102g Eudragit L100-55 will separately be weighed and be slowly added into water In, stirring 7min is suspended in water, and the plasticizer solution prepared in advance is added under stirring, it is molten that 1mol/LNaOH is slowly added dropwise Liquid the 1.4% of enteric packaging material (NaOH dosage be), and continue to stir 30min, then plus talcum powder and water agitation and dilution to being coated material The solid content of material 30% crosses 80 meshes, prepares 18% that enteric-coating material is total solution volume.
Spacer layer coating intermediate is set in centrifugation pellet processing machine, first room temperature adjusts drum speed and baffle tilt angle, makes Material in pellet processing machine scatters in maximum fan-shaped surfaces of revolution stabilization, while keeping 35 ± 2 DEG C of pellet processing machine rotary drum temperature.Start spraying Pill is rotated, side is spraying, and side is dry, and spray amount cannot be adhered can rotate particle loosely as degree.Coating process coating solution Remain a constant speed stirring, prevention precipitating.Period coating solution is not necessarily continuously spraying, can intermittent spraying, spraying again after to be dried, prevention It is adhered.After spraying pill reaches 10% gain in weight.After stopping by spraying, continue drying out to water content less than 3%;Discharging.
Embodiment 2
Each layer embeds weight gain ratio: protective layer increases weight 1.5 times;Separation layer weight gain 18%;The weight gain of enteric material coatings 28%.
Proportion:
Probiotics 500g: for three kinds of bifidobacterium lactis (BLA), Lactobacillus rhamnosus (LR) and lactobacillus paracasei (LPC) The mixing of probiotics, viable bacteria index content: 100,000,000,000/g;
Starch 750g: for porous-starch;
Separation layer embeds premix 225g: being using HPMC, copolyvidone, Macrogol 6000, talcum powder as main material Form aqueous transparent film coating pre-mix dose;
Enteric-coating material 295g: wherein EudragitL100-55:195g, TEC:30g, talcum powder: 70g.
Preparation:
1. protective layer starch sheath particles operation (centrifugation pellet processing machine):
Mixing probiotics BLA, LR and LPC are set in centrifugation pellet processing machine, 40~80 bacterium powder are set in centrifugation pellet processing machine, first Room temperature adjusts drum rotating speed and baffle tilt angle, and the material in pellet processing machine is made to scatter in maximum fan-shaped surfaces of revolution stabilization, Right later layer starch, one layer of water, successively coating, while keeping 30 ± 2 DEG C of pellet processing machine rotary drum temperature.Each starch dosage is equal with energy It is even to enclose particle rotation, reduce starch degree of being subdivided into the greatest extent.Addition water cannot have glutinous every time can rotate particle loosely Even, starch subdivision is reduced to the greatest extent to fall as degree.Every packet later layer, it is necessary to dry to preceding layer.It embeds layer by layer, until particle weight It is 1.5 times of the probiotics that feeds intake, i.e. particle total weight reaches 1250g.Stop covering, rotary drying to particle water content 3% with Under.Discharging.
2. isolated layer film coating operations (high-efficient granule film coater):
By film coating pre-mix dose: water=1: 8, in the ratio of coating weight gain 18%, water is set in mixer, then side will be thin Film coating pre-mixing agent is gradually poured into mixer, and side is slightly quickly stirred, after film coating pre-mix dose all adds in 4min, then slowly Speed stirring 60min, for use.
It whether good opens high-efficiency coating pot inspection machine, then inlet air temperature is set and into air draft throttle opening to adjust Suitable negative pressure, pours into particle, and coating pan revolving speed is adjusted to 2 turns/min, Burners Positions be adjusted to separation from bed about 30cm at, open Beginning preheating material.To 35 DEG C ± 2 DEG C DEG C of temperature of charge or so, spray air pressure starts to be coated in 0.5MPa or so, coating Coating pan revolving speed and enlargement discharge are gradually increased after 20min (be not adhered between particle as degree).It is lasting to stir in coating process Coating solution has sprayed whole slurries, until requiring gain in weight as early as possible.It closes, opens cold after keeping air-heater to operate dry a few minutes Air-cooled to room temperature, discharging.Coating operations parameter:
Leaving air temp: 40 DEG C are set as;Inlet air temperature: 80 DEG C;
Temperature of charge: 35 DEG C ± 2 DEG C are set as.
3. enteric coating operates (fluidized bed coating granulator)
The plasticizer weighed according to the ratio is dissolved in middle water, spare.It separately will weighed EudragitL100-55 be slowly according to the ratio It is added to the water, 5~10min of stirring is suspended in water, and the plasticizer solution prepared in advance is added under stirring, is slowly added dropwise 1mol/L NaOH solution (NaOH dosage is the 1.4% of enteric packaging material), and continue to stir 30min, then plus talcum powder simultaneously water stirring The solid content for being diluted to coating material is 30%, crosses 80 meshes, and compound concentration is that enteric-coating material accounts for total solution 15%.
Enteric coating is carried out with fluidized bed coating granulator
Temperature of charge: 32 DEG C ± 2 DEG C (inlet air temperature is adjusted according to temperature of charge)
Spray air pressure: 0.2MPa (is adjusted) according to mist flow
Air blast frequency: general are as follows: 25~45Hz is adjusted at any time according to material specific gravity in fluidized bed (because of water content difference).
Hydrojet flow: being observed by observation window, and not agglomerate, bed endoparticle constant flow is degree.In coating process, hold Continuous stirring enteric coating liquid.
After hydrojet coating reaches 28% gain in weight, stop by spraying, keeping temperature of charge and air blast frequency, fluidized drying is extremely Coated granule water content is less than 3%.Discharging.
Embodiment 3
Each layer embeds weight gain ratio: protective layer increases weight 3 times;Separation layer weight gain 10%;Enteric material coatings weight gain 12%.
Proportion:
Probiotics 500g: for three kinds of bifidobacterium lactis (BLA), Lactobacillus casei (LC) and lactobacillus plantarum (LP) probiotics Mixing, viable bacteria index content: 100,000,000,000/g;
Starch 1500g: for porous-starch;
Separation layer embeds premix 200g: being using HPMC, copolyvidone, Macrogol 6000, talcum powder as main material Form aqueous transparent film coating pre-mix dose;
Enteric-coating material 264g: wherein Eudragit L30D-55 aqueous dispersion 510g and kollicoatSR30D-55 Aqueous dispersion 170g (solid content is all 30%);TEC:10g;Talcum powder: 50g.
Preparation:
1. protective layer starch sheath particles operation (centrifugation pellet processing machine):
Mixing probiotics BLA, LC and LP are set in centrifugation pellet processing machine, 40~80 bacterium powder are set in centrifugation pellet processing machine, first room Temperature adjusts drum rotating speed and baffle tilt angle, so that the material in pellet processing machine is scattered in maximum fan-shaped surfaces of revolution stabilization, so Later layer starch, one layer of water, successively coating, while keeping 30 ± 2 DEG C of pellet processing machine rotary drum temperature.Each starch dosage is uniform with energy Particle rotation is enclosed, reduces starch degree of being subdivided into the greatest extent.Addition water cannot be adhered every time with that particle can be made loosely to rotate, Starch subdivision is reduced to the greatest extent to fall as degree.Every packet later layer, it is necessary to dry to preceding layer.It embeds layer by layer, until particle weight is It feeds intake 3 times of probiotics, i.e. particle total weight reaches 2000g.Stop covering, rotary drying to 3% or less particle water content.Out Material.
2. isolated layer film coating operations (high-efficient granule film coater):
By film coating pre-mix dose: water=1: 8, in the ratio of coating weight gain 10%, water is set in mixer, then side will be thin Film coating pre-mixing agent is gradually poured into mixer, and side is slightly quickly stirred, after film coating pre-mix dose all adds in 4min, then slowly Speed stirring 60min, for use.
It whether good opens high-efficiency coating pot inspection machine, then inlet air temperature is set and into air draft throttle opening to adjust Suitable negative pressure, pours into particle, and coating pan revolving speed is adjusted to 2 turns/min, Burners Positions be adjusted to separation from bed about 30cm at, open Beginning preheating material.To 35 DEG C ± 2 DEG C of temperature of charge, spray air pressure starts to be coated in 0.5MPa or so, after being coated 20min Coating pan revolving speed and enlargement discharge is gradually increased (be not adhered between particle as degree).In coating process, coating solution is persistently stirred, Whole slurries have been sprayed as early as possible, until requiring gain in weight.It is closed after keeping air-heater to operate dry a few minutes, opens cooling wind and be cooled to Room temperature, discharging.Coating operations parameter:
Leaving air temp: 38 DEG C are set as;Inlet air temperature: 80 DEG C;
Temperature of charge: 35 DEG C ± 2 DEG C are set as.
3. enteric coating operation (centrifugation pellet processing machine)
Weigh Eudragit L30D-55 aqueous dispersion (solid content 30%) and kollicoatSR30D-55 according to the ratio respectively Aqueous dispersion, respectively plus appropriate amount of water dilution is stirred, then two kinds of dispersions are mixed, and is stirred evenly.It separately will weighed increasing according to the ratio It moulds agent TEC and suitable quantity of water is added in talcum powder, be homogenized 10min with the equal pulp grinder of high shear, obtain suspension, which is poured into above-mentioned In mix moisture granular media dilution, and it is diluted to the solid content of enteric packaging material requirement, stirs 30min, 80 mesh net filtrations are prepared Enteric coating liquid, compound concentration are that enteric-coating material accounts for total solution 15%.
Spacer layer coating intermediate is set in centrifugation pellet processing machine, first room temperature adjusts drum speed and baffle tilt angle, makes Material in pellet processing machine scatters in maximum fan-shaped surfaces of revolution stabilization, while keeping 35 ± 2 DEG C of pellet processing machine rotary drum temperature.Start spraying Pill is rotated, side is spraying, and side is dry, and spray amount cannot be adhered can rotate particle loosely as degree.Coating process coating solution Remain a constant speed stirring, prevention precipitating.Period coating solution is not necessarily continuously spraying, can intermittent spraying, spraying again after to be dried, prevention It is adhered.After spraying pill reaches 12% gain in weight.After stopping by spraying, continue drying out to water content less than 3%.Discharging.
The probiotics embedded particles that above-described embodiment 1~3 is prepared are tested:
Theoretical viable count, loss late, accelerated test viable count and gastric juice ring after the embedding of measurement Examples 1 to 3 respectively Viable count in border, specific test result are as shown in table 1:
The viable count of 1 embodiment of table and comparative experiments statistics
Note: [1]: after embedding, refer to the product after the preparation of three re coating of this patent;
[2]: relative to theoretical viable count after embedded material dilution;
[3]: 37 DEG C of environment detect viable count result after 2 months;
[4]: relative to viable count after embedding;
[5]: viable count result is detected after 37 DEG C of simulated gastric fluid environment, 60min.Simulated gastric fluid is matched by official method System, pH are 2 or so.
As shown in Table 1, the survival rate of three embodiments of the invention is 39~49%;It stores 2 months, survives under 37 DEG C of environment Rate is 18~42%.
The present invention provides a kind of probiotics embedded particles and preparation method thereof, after embedding Viable detection be 39~ 49%;Survival rate after accelerating storage 2 months at 37 DEG C is 18~42%;And the survival rate of 60min is 77 in simulated gastric fluid ~85%, probiotics is remarkably improved in the viable bacteria content of shelf life, while most of probiotics can also be made to discharge in enteron aisle, To play beneficial effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (10)

1. a kind of probiotics embedded particles, which is characterized in that the probiotics embedded particles include probiotics core and the benefit Three encapsulating layers outside raw sclerotium core, the encapsulating layer is from inside to outside successively are as follows: starch protection layer, film coating separation layer and intestines Molten coatings.
2. probiotics embedded particles according to claim 1, which is characterized in that the diameter of the probiotics core be 180~ 380μm;The starch protection layer with a thickness of 40~80 μm;The film coating separation layer with a thickness of 5~10 μm;The intestines Molten coatings with a thickness of 6~12 μm.
3. probiotics embedded particles according to claim 1, which is characterized in that the probiotics type packet of the probiotics core It includes: lactobacillus plantarum, lactobacillus acidophilus, Lactobacillus casei, lactobacillus paracasei, Lactobacillus rhamnosus, lactobacillus fermenti, saliva Lactobacillus, Lactobacillus helveticus, lactobacillus reuteri, lactobacillus gasseri, Lactobacillus crispatus, Yue Shi lactobacillus, bulgarian milk bar Bacterium, streptococcus thermophilus, bifidobacterium lactis, bifidobacterium longum, bifidobacterium breve, bifidobacterium infantis, bifidobacterium bifidum and blueness Two or more mixed bacteria in spring Bifidobacterium.
4. the preparation method of any one of claims 1 to 3 probiotics embedded particles, which comprises the following steps: (1) it using the bacterium powder of the probiotics as core, is successively embedded layer by layer with starch and water, until the bacterium powder increases weight 1~3 times Afterwards, starch embedding probiotic granulate is obtained;
(2) the starch embedding probiotic granulate is subjected to film coating with film-coating premixing material, until the starch embedding is beneficial After raw bacterium weight gain 8~20%, film coating probiotic granulate is obtained;
(3) the film coating probiotic granulate is subjected to enteric coating with enteric coating liquid, until the film coating probiotics It is dry that prebiotic bacterium bag buries particle after weight gain 8~30%.
5. preparation method according to claim 4, which is characterized in that when step (1) described embedding, starch and water embed one layer Afterwards, the embedding of next layer of starch and water is carried out again after drying.
6. preparation method according to claim 5, which is characterized in that embedded particles water content≤3% after drying.
7. preparation method according to claim 4 or 5, which is characterized in that the type of the starch includes porous-starch or resists Property starch.
8. preparation method according to claim 4, which is characterized in that temperature of charge when step (2) described film coating is 30~37 DEG C.
9. preparation method according to claim 4, which is characterized in that include the original of following weight ratio in the enteric coating liquid Material: enteric material: plasticizer: anticaking agent=1: 0.05~0.2: 0.25~0.5.
10. according to the preparation method of claim 4 or 9, which is characterized in that the temperature of charge when enteric coating is 30~ 35℃。
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CN109999010A (en) * 2019-04-23 2019-07-12 河北地邦动物保健科技有限公司 A kind of probiotics coating pellet and preparation method thereof
CN109999010B (en) * 2019-04-23 2021-06-15 河北地邦动物保健科技有限公司 Probiotic coated pellet and preparation method thereof
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CN111011867B (en) * 2019-12-25 2022-07-29 光明乳业股份有限公司 Probiotic embedded particle and preparation method thereof
CN112868913A (en) * 2020-12-17 2021-06-01 杭州康德权饲料有限公司 Microencapsulated feed enzyme preparation and preparation method thereof
CN113170894A (en) * 2021-05-14 2021-07-27 南昌大学 Device and method for preparing particle type probiotics capable of being delivered through gastrointestinal tract
CN114642649A (en) * 2022-03-22 2022-06-21 安徽安生生物化工科技有限责任公司 Preparation method of probiotic enteric-coated granules resistant to cold and heat treatment
CN115590939A (en) * 2022-07-28 2023-01-13 四川豪运药业股份有限公司(Cn) Ginseng and plum stomach nourishing granule clear paste powder and preparation method and application thereof
CN117814488A (en) * 2023-12-27 2024-04-05 善恩康生物科技(苏州)有限公司 Antioxidant multilayer embedded probiotic granule and preparation method thereof
CN117814488B (en) * 2023-12-27 2024-06-04 善恩康生物科技(苏州)有限公司 Antioxidant multilayer embedded probiotic granule and preparation method thereof

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