CN107136217A - Probiotics fermentation-type yoghurt dry powder electuary and its production technology - Google Patents
Probiotics fermentation-type yoghurt dry powder electuary and its production technology Download PDFInfo
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- CN107136217A CN107136217A CN201710358361.7A CN201710358361A CN107136217A CN 107136217 A CN107136217 A CN 107136217A CN 201710358361 A CN201710358361 A CN 201710358361A CN 107136217 A CN107136217 A CN 107136217A
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- yoghurt
- feed liquid
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- probiotics
- fermentation
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- 241000186046 Actinomyces Species 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/16—Agglomerating or granulating milk powder; Making instant milk powder; Products obtained thereby
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/12—Fermented milk preparations; Treatment using microorganisms or enzymes
- A23C9/13—Fermented milk preparations; Treatment using microorganisms or enzymes using additives
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/12—Fermented milk preparations; Treatment using microorganisms or enzymes
- A23C9/13—Fermented milk preparations; Treatment using microorganisms or enzymes using additives
- A23C9/1307—Milk products or derivatives; Fruit or vegetable juices; Sugars, sugar alcohols, sweeteners; Oligosaccharides; Organic acids or salts thereof or acidifying agents; Flavours, dyes or pigments; Inert or aerosol gases; Carbonation methods
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2400/00—Lactic or propionic acid bacteria
- A23V2400/11—Lactobacillus
- A23V2400/123—Bulgaricus
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2400/00—Lactic or propionic acid bacteria
- A23V2400/21—Streptococcus, lactococcus
- A23V2400/249—Thermophilus
Abstract
The invention discloses a kind of probiotics fermentation-type yoghurt dry powder electuary, including fresh milk, it is equipped with white granulated sugar, oligosaccharide and stabilizer and is prepared by mixing into feed liquid, then uses lyophilized bacterium powder to be inoculated with and stir progress fermentation and yoghurt freeze-dried powder is made, compatibility auxiliary material companion gets product；The stabilizer uses the starch phosphate fat of acetylation two, pectin；The lyophilized bacterium powder is the lyophilized bacterium powder of lactobacillus bulgaricus and thermophilus strain；The compatibility auxiliary material includes matrimony vine freeze-dried powder and powdered glucose.Additionally provide the production technology of the probiotics fermentation-type yoghurt dry powder electuary.Probiotics fermentation-type yoghurt dry powder electuary produced by the invention is without any preservative, long shelf-life, maintain the local flavor and performance of original flavor liquid yoghurt, when edible collocation auxiliary material companion can directly warm water be punching i.e., the blank of probiotics yoghourt series of products is not only filled up, and be conducive to probiotics quickly to rejuvenate, promote human consumption and improve immunity.
Description
Technical field：
The present invention relates to technical field of processing dairy products, and in particular to a kind of probiotics fermentation-type yoghurt dry powder electuary and
Its production technology.
Background technology：
Probiotics is the class active microorganism beneficial to host, is to be colonized in human body intestinal canal, in reproductive system, can produce
Definite health efficacy is so as to the active beneficial microorganism general name for improving host's microecological balance, playing beneficial effect.It is human body, dynamic
Beneficial bacterium or fungi mainly have in object：Clostridium butyricum, lactobacillus, Bifidobacterium, actinomyces, saccharomycete etc..Current generation
The function of being studied in boundary most powerful product be mainly all kinds of microorganism groups of the above into composite reactive probiotics, its extensive use
In bioengineering, industrial or agricultural, food security and life and health field.Hundreds of probiotics health care has been developed abroad
Product, including：Yoghurt, yogurt, Fermented Soybean Milk containing probiotics and oral liquid, tablet, the glue containing a variety of probiotics
Capsule, powder agent, bacteriostasis spray etc..For the few of people's research, the domestic cognition degree to probiotics is not also very strong, and this causes
The product line application of probiotics is not also very extensively, because survival rate is exactly a big technical barrier.
Survival degree of the probiotics in dairy products be not high, high to nutritional requirement because probiotics belongs to obligate anaerobe,
Very sensitive to temperature, pH value and oxygen, the viable count of probiotics is easily by the shadow of outside environmental elements (oxygen content, temperature, humidity)
Ring, prior art does not solve the problem of living bacteria count is kept in the probiotic bacteria milk product shelf-life still, and this has just had a strong impact on benefit
The application and sale of raw bacterium dairy products.At present, probiotics yoghourt is based on liquid state fermentation type, and it is short that generally existing the shelf-life,
Hardly possible transport, storage, return of goods rate are high, and loss is big, and easily go bad, and drink expired product can cause diarrhoea by mistake, and sales region is small, south
Regional difficulty such as sells at the defect.Original probiotic active and yoghurt local flavor can be kept therefore, needing badly and developing one kind, and can be increased
Long shelf-life, sales region is unrestricted, the new probiotic bacterium yogurt product conveniently drunk.
The content of the invention：
The purpose of the present invention aims to provide a kind of probiotics fermentation-type yoghurt dry powder electuary and its production technology, by inciting somebody to action
Liquid fermentation type probiotics yoghourt changes after its composition of raw materials, and dry powder electuary is made and increases with 5 raw materials, not only makes to guarantee the quality
Phase extends, while original probiotic active and yoghurt local flavor are kept, so as to fill up the blank of probiotics yoghourt series of products.
In order to solve the above technical problems, the present invention takes following technical scheme：
Probiotics fermentation-type yoghurt dry powder electuary, including fresh milk, are characterized in：The fresh milk is first equipped with white sand
Sugar, oligosaccharide and stabilizer are prepared by mixing into feed liquid, after being then inoculated with using lyophilized bacterium powder and stirred and fermented,
Yoghurt freeze-dried powder is made, compatibility auxiliary material companion produces probiotics fermentation-type yoghurt dry powder electuary.
Aforementioned stable agent uses the starch phosphate fat of acetylation two and pectin, can prevent acidified milk layering and precipitating, keeps fermentation
Newborn uniform, institutional framework " hardening " is strong.
Above-mentioned lyophilized bacterium powder is the lyophilized bacterium powder of lactobacillus bulgaricus and thermophilus strain, and the strain can produce acid again
Can production perfume.
Above-mentioned compatibility auxiliary material companion includes matrimony vine freeze-dried powder and powdered glucose, and wherein matrimony vine freeze-dried powder can increase matrimony vine fragrance
With the nutrition such as beta carotene and LBP-X；Powdered glucose is conducive to probiotics quickly to rejuvenate, and reaches that " original flavor is sent out
The local flavor and effect of ferment type yoghurt ", promote human consumption and improve immunity.The compatibility auxiliary material is according to the demand of eater
With the addition of electing property of taste, the person that avoids sugar can be not added with powdered glucose when drinking.
Above-mentioned probiotics fermentation-type yoghurt dry powder electuary, is formulated by the raw material of following percentage by weight：
Present invention also offers the production technology of the probiotics fermentation-type yoghurt dry powder electuary, comprise the following steps：
S1：Choose raw material：Choose total dry content and be not less than 11%, solid-not-fat >=8%, 72% alcohol testing is
Feminine gender, acidity is 16-18 °, and antibiotic-free (avoiding suppressing the metabolism of production bacterium normal growth), free from extraneous odour, free from admixture, miscellaneous bacteria
Detected value is normal, and color is that milky fresh milk is raw material；
S2：Purify fresh milk：Leucocyte and other foreign matters in fresh milk is removed using centrifuge；
S3：Supplementary material mixture：By constant weight percentages, white granulated sugar, oligosaccharide, stably are added in high-speed stirred tank
After agent clean water dissolves, the fresh milk after purification is imported in high-speed stirred tank and carries out mixture, feed liquid is produced；
S4：Feed liquid is preheated：Feed liquid is preheated to 60 DEG C~65 DEG C using board-like sterilization machine；
S5：Feed liquid homogeneous：Homogeneous is carried out to feed liquid using high pressure homogenizer, homogenization pressure is 8~10MPa, will wherein be consolidated
Shape thing micronized, and fat floating is prevented, prevent whey from separating, delicate mouthfeel, and the oxygen in raw material is removed, reduce redox
Reaction, promotes lactobacter growth；
S6：Pasteurize：Using tubular sterilization machine by the feed liquid after homogeneous under the conditions of 90~95 DEG C, sterilization 5~
10min；
S7：Feed liquid is cooled down：Feed liquid after sterilization is cooled down in heat-exchangers of the plate type, its outlet temperature be 43 DEG C~
45℃；
S8：Feed liquid is inoculated with：The lyophilized bacterium powder of the lactobacillus bulgaricus of certain inoculum concentration and thermophilus strain is inoculated with
In feed liquid, stir；
S9：Packing fermentation：Feed liquid after inoculation is dispensed into round, temperature is sealed and placed in for 42 DEG C~43 DEG C
Fermenting cellar in fermented, the time be 3~4h, produce yoghurt feed liquid；
S10：Detection：The feed liquid fermented is detected, it is standby；Detection feed liquid up to standard：PH value is less than 4.6-4.7,
Without being layered or supernatant occur, there are substantially sour fragrance, free from extraneous odour, milky；
S11：Prepare yoghurt freeze-dried powder：The yoghurt feed liquid for detecting qualified is freezed in freeze dryer, acid is made
Milk freeze-dried powder；
S12：Packed products：Yoghurt freeze-dried powder is first crushed to the powder of the mesh of granularity >=60 below 4 DEG C of low temperature, entered
After row vacuum packaging, and arrange in pairs or groups matrimony vine freeze-dried powder and powdered glucose is vacuum-packed respectively, produce the probiotics hair of the present invention
Ferment type yoghurt dry powder electuary.
Further, the round described in step S9 is using the rustless steel container after sterilization, for ease of operating, according to
The production requirement of finished product selects the size of round, this operation preferably 30~50L round.
Further, the yoghurt feed liquid sabot thickness of fermenting-ripening described in step S11 be 2~5cm in freeze dryer,
Quick-frozen to -35 DEG C, temperature of charge is -20 DEG C~-30 DEG C, dries 30~50h.
Further, the lyophilized technique described in step S11, including drying process and condensation process, the drying process
The temperature that separator for container cooling rate heat conduction media are dried in middle material load running is down to -35 DEG C from 10 DEG C, and the time used must not surpass
100min is crossed, the temperature of heat conduction coal body is down to -45 DEG C from 10 DEG C, and the time used must not exceed 120min；In the condensation process
The temperature of vacuum condenser can reach the level less than -65 DEG C.
Further, obtained yoghurt freeze-dried powder described in step S11 is the loose porous powdery of milky or bulk,
There are substantially sour fragrance, no discoloration and grume, water content≤5%, viable count >=1,000,000,000/g (viable bacteria counting method).
Beneficial effects of the present invention：
(1) probiotics fermentation-type yoghurt dry powder electuary produced by the invention, long shelf-life, long-time probiotics still can
The local flavor and performance, instant of original flavor liquid yoghurt are enough survived and kept, is easy to consumer to buy and drink, guarantor can be used as
Strong product and food selling, not only increase the class of product, have filled up the blank of probiotics yoghourt series of products, and product
It can be widely popularized, sales region is unrestricted.
(2) probiotics fermentation-type yoghurt dry powder electuary produced by the invention, without any preservative, maintains fresh ox
Milk original local flavor and nutritive value, when eating collocation auxiliary material companion can direct warm water instant-drink, make yoghurt freeze-dried powder short
Fast quick-recovery beneficial bacterium vigor under relative constant temperature is in time, while the matrimony vine freeze-dried powder and powdered glucose of addition are not only
The nutritions such as matrimony vine fragrance and beta carotene and LBP-X can be increased, shown unique characteristics, and be conducive to probiotics quickly extensive
Power is brought back to life, human consumption can be promoted and immunity is improved.
(3) production technology of probiotics fermentation-type yoghurt dry powder electuary of the present invention, working specification, to sanitary standard parameter
It is required that high, the technical parameter control of especially lyophilized technique is strict, it is ensured that the shelf life of products length of production, in good taste, and health is defended
It is raw.
Brief description of the drawings：
Fig. 1 is the production technological process of probiotics fermentation-type yoghurt dry powder electuary of the present invention.
Embodiment：
Technical scheme is described in further detail below in conjunction with the accompanying drawings, illustrated embodiment is served only for explaining this
Invention, is not intended to limit the scope of the present invention.
Embodiment 1
A kind of probiotics fermentation-type yoghurt dry powder electuary, including the raw material of following percentage by weight are formulated：Fresh ox
Milk 87.9%, white granulated sugar 6.5%, oligosaccharide 1.5%, stabilizer 0.1%, lyophilized bacterium powder 2%, pure water 2%, wherein：It is stable
Agent is the starch phosphate fat of acetylation two and pectin；Lyophilized bacterium powder is the freeze-dried vaccine of lactobacillus bulgaricus and thermophilus strain
Powder.
Embodiment 2
A kind of probiotics fermentation-type yoghurt dry powder electuary, including the raw material of following percentage by weight are formulated：Fresh ox
Milk 85.95%, white granulated sugar 5.5%, oligosaccharide 2%, stabilizer 0.05%, lyophilized bacterium powder 3.5%, pure water 3%, wherein：Surely
Agent is determined for the starch phosphate fat of acetylation two and pectin；Lyophilized bacterium powder is the freeze-dried vaccine of lactobacillus bulgaricus and thermophilus strain
Powder.
Embodiment 3
A kind of probiotics fermentation-type yoghurt dry powder electuary, including the raw material of following percentage by weight are formulated：Fresh ox
Milk 89.94%, white granulated sugar 5%, oligosaccharide 1%, stabilizer 0.06%, lyophilized bacterium powder 2%, pure water 2%, wherein：Stabilizer
For the starch phosphate fat of acetylation two and pectin；Lyophilized bacterium powder is the lyophilized bacterium powder of lactobacillus bulgaricus and thermophilus strain.
As shown in figure 1, the production technology of the probiotics fermentation-type yoghurt dry powder electuary described in 1~embodiment of embodiment 3,
Comprise the following steps：
S1：Choose raw material：Choose total dry content and be not less than 11%, solid-not-fat >=8%, 72% alcohol testing is
Feminine gender, acidity is 16~18 °, and antibiotic-free (avoiding suppressing the metabolism of production bacterium normal growth), free from extraneous odour, free from admixture, miscellaneous
Bacterium detected value is normal, and color is that milky fresh milk is raw material；
S2：Purify fresh milk：Leucocyte and other foreign matters in fresh milk is removed using centrifuge；
S3：Supplementary material mixture：By constant weight percentages, white granulated sugar, oligosaccharide, stably are added in high-speed stirred tank
After agent clean water dissolves, the fresh milk after purification is imported in high-speed stirred tank and carries out mixture, feed liquid is produced；
S4：Feed liquid is preheated：Feed liquid is preheated to 60 DEG C~65 DEG C using board-like sterilization machine；
S5：Feed liquid homogeneous：Homogeneous is carried out to feed liquid using high pressure homogenizer, homogenization pressure is 8~10MPa；
S6：Pasteurize：Using tubular sterilization machine by the feed liquid after homogeneous under the conditions of 90~95 DEG C, sterilization 5~
10min；
S7：Feed liquid is cooled down：Feed liquid after sterilization is cooled down in heat-exchangers of the plate type, its outlet temperature be 43 DEG C~
45℃；
S8：Feed liquid is inoculated with：The lyophilized bacterium powder of the lactobacillus bulgaricus of certain inoculum concentration and thermophilus strain is inoculated with
In feed liquid, stir；
S9：Packing fermentation：Feed liquid after inoculation is dispensed into using in 40~50L rustless steel container after sterilization, sealed
It is placed in being fermented in the fermenting cellar that temperature is 42 DEG C~43 DEG C, the time is 3~4h, produces yoghurt feed liquid；
S10：Detection：The feed liquid fermented is detected, it is standby；Detection feed liquid up to standard：PH value is less than 4.6-4.7,
Without being layered or supernatant occur, there are substantially sour fragrance, free from extraneous odour, milky；
S11：Prepare yoghurt freeze-dried powder：The yoghurt feed liquid for detecting qualified is freezed in freeze dryer, acid is made
Milk freeze-dried powder；Wherein：The qualified yoghurt feed liquid sabot thickness of the detection is 2~5cm in freeze dryer, quick-frozen to -35
DEG C, temperature of charge is -20 DEG C~-30 DEG C, dries 30~50h；
S12：Packed products：Yoghurt freeze-dried powder is first crushed to the powder of the mesh of granularity >=60 below 4 DEG C of low temperature, so
It is vacuum-packed afterwards, and the auxiliary material companion that arranges in pairs or groups is vacuum-packed respectively, produces the probiotics fermentation-type yoghurt of the present invention
Dry powder electuary.
To the technological requirement of lyophilized plant equipment in step S11 lyophilized techniques：
1) freeze dryer requires drying box and condenser, is easy to clean and sterilizes；
2) freeze mechanical matching component and mutually packaging material should be placed in high-cleanness control area inside the Pass；
3) it should be filtered and be sterilized in advance into the air in equipment；
4) annex such as dividing plate built in equipment, answers surface is smooth to avoid material from remaining；
5) temperature of material load running drying separator for container cooling rate heat conduction media is down to -35 DEG C, institute's used time from 10 DEG C
Between must not exceed 100min, the temperature of heat conduction coal body is down to -45 DEG C from 10 DEG C, and the time used must not exceed 120min；
6) temperature of vacuum condenser can reach the level less than -65 degree.
7) heat conduction media heating rate control accuracy should be fluctuated in the range of ± 1 degree.
Lyophilized technique key control point is in production technology of the present invention：
1) material freezing speed is fast, and products obtained therefrom nucleus is more, crystal formation is small, structure is homogeneous；
2) rate of sublimation is fast, and product appearance is fine and smooth, it is easy to keep original structure, and rehydration is good (keeps product original
Character)；
3) redrying phase temperature be difficult it is too high, the time be difficult it is long, can avoid material decompose and change colour；
4) yoghurt freeze-dried powder is the loose porous powdery of milky or bulk, no to change colour and grume, water content≤5%；
5)/gram (viable bacteria counting method) of viable count >=1,000,000,000；
6) yoghurt freeze-dried powder is crushed under the conditions of low temperature (less than 4 DEG C), the mesh of granularity >=60；
7) yoghurt freeze-dried powder is vacuum-packed under the conditions of low temperature (less than 4 DEG C), every bag of 30g.
Probiotics fermentation-type yoghurt dry powder electuary produced by the invention is vacuum-packed and (every bag of matrimony vine freeze-dried powder of arranging in pairs or groups
3g) with powdered glucose (every bag of 2g), can together it be eaten as auxiliary material companion.Its application method is：By the sour ox of probiotics fermentation-type
Milk dry powder electuary and each one bag of matrimony vine freeze-dried powder, powdered glucose are poured into thermos cup, add about 45 DEG C or so warm water 200~
300ml, stirs, and is directly drunk after standing about 30min and (cleans up thermos cup after having drunk, it is to avoid living contaminants, influence
Next time uses).
The probiotics fermentation-type yoghurt dry powder electuary that 1~embodiment of embodiment 3 is produced places a term, carries out " living
Bacterium counting method " detection is drawn：Viable detection is more than 75%, still with health properties.Therefore, probiotics of the invention hair
Ferment type yoghurt dry powder electuary long shelf-life, room temperature preservation can reach 12 months or so, and still have probiotics fermentation-type
The original local flavor and nutritive value of yoghurt.
Claims (10)
1. a kind of probiotics fermentation-type yoghurt dry powder electuary, including fresh milk, it is characterised in that：The fresh milk is first equipped with white
Granulated sugar, oligosaccharide and stabilizer are prepared by mixing into feed liquid, are then inoculated with and are stirred using lyophilized bacterium powder and are fermented
Afterwards, yoghurt freeze-dried powder is made, compatibility auxiliary material companion produces probiotics fermentation-type yoghurt dry powder electuary.
2. probiotics fermentation-type yoghurt dry powder electuary according to claim 1, it is characterised in that：The stabilizer is used
The starch phosphate fat of acetylation two and pectin.
3. probiotics fermentation-type yoghurt dry powder electuary according to claim 1, it is characterised in that：The lyophilized bacterium powder is
The lyophilized bacterium powder of lactobacillus bulgaricus and thermophilus strain.
4. probiotics fermentation-type yoghurt dry powder electuary according to claim 1, it is characterised in that：The compatibility accessory package
Include matrimony vine freeze-dried powder and powdered glucose.
5. the probiotics fermentation-type yoghurt dry powder electuary according to any claim in Claims 1-4, its feature exists
In：The probiotics fermentation-type yoghurt dry powder electuary, is formulated by the raw material of following percentage by weight：
6. the production technology of probiotics fermentation-type yoghurt dry powder electuary according to claim 5, it is characterised in that：Including
Following steps：
S1：Choose raw material：Choose total dry content and be not less than 11%, solid-not-fat >=8%, 72% alcohol testing is the moon
Property, acidity is 16-18 °, and antibiotic-free, free from extraneous odour, free from admixture, and Detection value is normal, and color is milky fresh ox
Milk is raw material；
S2：Purify fresh milk：Leucocyte and other foreign matters in fresh milk is removed using centrifuge；
S3：Supplementary material mixture：By constant weight percentages, white granulated sugar, oligosaccharide, stabilizer use are added in high-speed stirred tank
After clean water dissolving, the fresh milk after purification is imported in high-speed stirred tank and carries out mixture, feed liquid is produced；
S4：Feed liquid is preheated：Feed liquid is preheated to 60 DEG C~65 DEG C using board-like sterilization machine；
S5：Feed liquid homogeneous：Homogeneous is carried out to feed liquid using high pressure homogenizer, homogenization pressure is 8~10MPa；
S6：Pasteurize：Using tubular sterilization machine by the feed liquid after homogeneous under the conditions of 90~95 DEG C, sterilize 5~10min；
S7：Feed liquid is cooled down：Feed liquid after sterilization is cooled down in heat-exchangers of the plate type, its outlet temperature is 43 DEG C~45
℃；
S8：Feed liquid is inoculated with：The lyophilized bacterium powder of the lactobacillus bulgaricus of certain inoculum concentration and thermophilus strain is inoculated in material
In liquid, stir；
S9：Packing fermentation：Feed liquid after inoculation is dispensed into round, the hair that temperature is 42 DEG C~43 DEG C is sealed and placed in
Ferment is fermented in room, and the time is 3~4h, produces yoghurt feed liquid；
S10：Detection：The feed liquid fermented is detected, it is standby；Detection feed liquid up to standard：PH value is less than 4.6-4.7, nothing point
There is supernatant in layer, there is substantially sour fragrance, free from extraneous odour, milky；
S11：Prepare yoghurt freeze-dried powder：The yoghurt feed liquid for detecting qualified is freezed in freeze dryer, yoghurt is made
Freeze-dried powder；
S12：Packed products：Yoghurt freeze-dried powder is first crushed to the powder of the mesh of granularity >=60 below 4 DEG C of low temperature, carried out true
After empty package, and arrange in pairs or groups matrimony vine freeze-dried powder and powdered glucose is vacuum-packed respectively, produce the probiotics fermentation-type of the present invention
Yoghurt dry powder electuary.
7. the production technology of probiotics fermentation-type yoghurt dry powder electuary according to claim 6, it is characterised in that：Step
Round described in S9 is using the rustless steel container after sterilization；The big of round is selected according to the production requirement of finished product
It is small, preferred 30~50L round.
8. the production technology of probiotics fermentation-type yoghurt dry powder electuary according to claim 6, it is characterised in that：Step
Detected described in S11 qualified yoghurt feed liquid sabot thickness for 2~5cm in freeze dryer, quick-frozen to -35 DEG C, temperature of charge
For -20 DEG C~-30 DEG C, 30~50h is dried.
9. the production technology of probiotics fermentation-type yoghurt dry powder electuary according to claim 6, it is characterised in that：Step
In lyophilized technique described in S11, including drying process and condensation process, the drying process material load running drying box every
The temperature of plate cooling rate heat conduction media is down to -35 DEG C from 10 DEG C, and the time used must not exceed 100min, the temperature of heat conduction coal body
- 45 DEG C are down to from 10 DEG C, the time used must not exceed 120min；The temperature of vacuum condenser can reach low in the condensation process
In -65 DEG C of level.
10. the production technology of probiotics fermentation-type yoghurt dry powder electuary according to claim 6, it is characterised in that：Step
Obtained yoghurt freeze-dried powder described in rapid S11 is the loose porous powdery of milky or bulk, no discoloration and grume, is had substantially
Sour fragrance, no discoloration and grume, water content≤5%, viable count >=1,000,000,000/g.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109122851A (en) * | 2018-08-06 | 2019-01-04 | 燕山大学 | A kind of fruit acid milk powder and preparation method thereof |
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| JPS6283842A (en) * | 1985-10-08 | 1987-04-17 | Sennosuke Tokumaru | Freeze-dried yogurt and production thereof |
| CN1105521A (en) * | 1994-01-18 | 1995-07-26 | 西安富地科技发展公司 | Method for preparation of frozen dried sour milk powder |
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Application publication date: 20170908 |