CN109820037A - A kind of natural yogurt and preparation method thereof - Google Patents

A kind of natural yogurt and preparation method thereof Download PDF

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Publication number
CN109820037A
CN109820037A CN201910252523.8A CN201910252523A CN109820037A CN 109820037 A CN109820037 A CN 109820037A CN 201910252523 A CN201910252523 A CN 201910252523A CN 109820037 A CN109820037 A CN 109820037A
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China
Prior art keywords
milk
filling
water
raw material
temperature
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CN201910252523.8A
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Chinese (zh)
Inventor
魏仲珊
徐那
刘卫华
罗玉
潘迪子
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Hunan Superior Food Science And Technology Co Ltd
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Hunan Superior Food Science And Technology Co Ltd
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Abstract

The invention discloses a kind of natural yogurts and preparation method thereof, belong to food technology field, the natural yogurt includes following component: raw milk 825-875Kg, white granulated sugar 64-72Kg, dilute cream 30-40Kg, grapes fruit syrup T-42 25-35Kg, concentrated whey protein powder 10-15Kg, converted starch 2-4Kg, yolk powder 1-3Kg, strain Danisco-86390-110U.The invention also discloses a kind of preparation methods of natural yogurt.Yoghourt of the invention improves stability, extends the shelf life, and improve the sophistication of mouthfeel;The preparation process of the product is easy to operate, easy to accomplish, is suitble to promote and apply.

Description

A kind of natural yogurt and preparation method thereof
Technical field
The invention belongs to food technology field, it is related to a kind of natural yogurt and preparation method thereof, specifically, being related to one kind Mediterranean natural yogurt and preparation method thereof.
Background technique
Yoghourt is to add beneficial bacterium (leavening) into milk again after pasteurize using milk as raw material, fermented Afterwards, then a kind of filling milk product is cooled down.
Sour milk product is mostly currently on the market with the fruit-flavor type of the auxiliary materials such as coagulating type, stirred type and the various fruit juice jams of addition It is more.Yoghourt not only remains all advantages of milk, and the processed process of some aspects is also maximized favourable factors and minimized unfavourable ones, and is become and is more suitable In the nutrient and healthcare products of the mankind.
In the prior art, the manufacture craft of Yoghourt can be summarized as ingredient, preheating, homogeneous, sterilization, cooling, inoculation, (Yoghourt It is filling: to be used for solidification type yoghourt), fermentation, cooling, (stirring: being used for stirred yoghurt), packaging and several procedures of after-ripening, denaturation Starch is added in dispensing stage, and the control of the quality and technique of application effect has substantial connection.
Summary of the invention
The purpose of the present invention is to provide a kind of natural yogurts and preparation method thereof.
Itself the specific technical proposal is:
A kind of natural yogurt, ingredient are as follows:
Raw milk 825-875Kg
White granulated sugar 64-72 Kg
Dilute cream 30-40 Kg
Grapes fruit syrup T-42 25-35 Kg
Concentrated whey protein powder 10-15 Kg
Converted starch 2-4 Kg
Yolk powder 1-3 Kg
Strain Danisco-863 90-110 U.
Further, ingredient are as follows:
850 Kg of raw milk
68 Kg of white granulated sugar
35 Kg of dilute cream
30 Kg of grapes fruit syrup T-42
12 Kg of concentrated whey protein powder
3 Kg of converted starch
2 Kg of yolk powder
100 U of strain Danisco-863.
Further, the converted starch is Ultra Tex 2.
A kind of preparation method of natural yogurt of the present invention, comprising the following steps:
Step 1, raw material milk are checked and accepted: by the provided milk supply of herding, lab technician carries out raw material according to GB19301 " lactogenesis " acceptance criteria The examination of cream.Product control person checks fresh milk delivery receitp and fresh milk vehicle navicert.
Step 2, raw milk are transported between storage milk after checking and accepting.
Step 3, cleaning: production equipment used and pipeline are cleaned, and clean standard according to Plant management systems.
Step 4, thick worry: raw material milk removes the impurity in raw material milk through the overanxious net filtration of 200 mesh.
Step 5, net cream: the former milk after checking and accepting by standard is through piping newborn filter filtering only.
Step 6, refrigeration: 6 DEG C are cooled to hereinafter, being stored in holding vessel by the ice water of filtered raw material milk warp.
Step 7, ingredient: shear cylinder is squeezed into raw material milk metering, and pre-heating temperature elevation is poured slowly into the fruit measured to 50-55 DEG C Grape syrup and dilute cream after being uniformly mixed, are added the concentrated whey protein powder (I) measured, recycle 10min, stand It is hydrated 20-25min;Feed liquid is warming up to 70-75 DEG C, white granulated sugar, converted starch (good Ji 06203) and yolk powder is dry-mixed It is even, it is then slowly added into, recycles 15min online.
Step 8, standardization: the protein content of raw material milk reaches 3.0%, to add whey if protein content is lower than 3.0% Albumen powder increases protein content, until reaching standard requirements.
Step 9, homogeneous: the milk after standardization is warming up to 65-70 DEG C before homogeneous, homogenization pressure 18-20MPa.
Step 10, sterilization temperature: temperature is 95 ± 2 DEG C.
Step 11, cooling: milk is cooled to 42-45 DEG C in plate heat exchanger, squeezes into fermentor.
Step 12, access fermenting microbe: compounder opens the blender of fermentor when strain is added, keep strain sufficiently molten Solution is uniformly mixed, the necessary disinfection and sterilization of used tool, in case the milk after sterilizing is contaminated;
Step 13, fermentation: fermentation temperature is 42-45 DEG C, fermentation time about 6-7h, when the acidity of cultured milk is 70-75o Τ.
Step 14, cooling: the cultured milk fermented is cooled to 2-6 DEG C, rotor revolution speed 45 carries out viscosimetric analysis (DIY Mediterranean original flavor viscosity >=1750;Mediterranean cup milk viscosity >=2000).
Step 15, addition auxiliary material: auxiliary material weighs accurately, and jam is added in sterile working, is added in cooling cultured milk, with hair Ferment milk is uniformly mixed.
Step 16, filling: packaging health reaches standard, and net content reaches the requirement for allowing net content.
Step 17, refrigeration: product being put into freezer in time and is refrigerated, and refrigerated storage temperature is at 2-6 DEG C, humidity 45-55%.
Step 18, factory: it can let pass after the assay was approved through product control portion.
Step 19, transport: means of transport use refrigerator car or the lorry with lagging facility, must not with it is poisonous and harmful, have The article of peculiar smell loads in mixture transport, and haulage vehicle must sanitation and hygiene.
Step 20, sale storage: product should be deposited in 2-6 DEG C of freezer or refrigerator, in the case where keeping cold chain Sale.
Further, step 3 specifically:
A, CIP operating instruction requirement: water, alkali, water, acid, water;
B, sterilizing time, temperature should meet operating instruction requirement: bottle placer and pipeline first being carried out disinfection 15 with hot water before production Minute, outlet temperature is up to keeping the temperature 20 minutes after 85 DEG C.
C, it needs to remove sampling valve before cleaning and be scrubbed manually.
D, cleaning terminates to check the cleaning effect in tank, and the cleaning solution in tank should recycle completely, and be in neutrality.
Further, in step 3, a specifically:
Rush cold water 8-15 minutes
Alkali recycle 20-22 minutes 1.0-2.0% 70-80 DEG C
Cold water rinses 5-10 minutes
Acid circulation 20-22 minutes 0.8-1.5% 60-70 DEG C
15-28 minutes >=90 DEG C of hot water circuit.
Further, step 16 specifically: the sanitary index of a racking room and equipment adjusts filling amount, first beats before booting Open pneumatic and ice water system.
B cleaning, disinfection bottle placer first have to squeeze out the cold water in pipeline with hot water and throw hot water into again after draining, then The water made in feed liquid bucket is cleaned, and repeatedly for three times, pouring head will sterilize.
C rooftop box will sterilize, and after being fully cooled bottle placer before filling, can just carry out material-filling.
The water in pipeline is extracted with material before d is filling, side by side after solid carbon dioxide, then material is squeezed into and carries out filling, 12 parts of beginning It scraps and handles and destroy in time, check filling quality;
2-6 DEG C of e holding is filling, and each material filling in 4-6 hours need to finish.
Equipment is first cleaned with hot water after f is filling, then with alkali cleaning, is finally cleaned up with hot water.
Compared with prior art, the invention has the benefit that
Yoghourt of the invention improves stability, extends the shelf life, and improve the sophistication of mouthfeel;Dried hen egg yolk makes product color Brighter, more comprehensively, grapes fruit syrup replaces part white sugar for nutrition, reduces pol to a certain extent, the preparation process behaviour of the product Make easy, easy to accomplish, suitable popularization and application.
Specific embodiment
Technical solution of the present invention is described in more detail combined with specific embodiments below.
The strain Danisco-863 that the present invention uses is strain in the prior art, and purchase obtains on the market.
Embodiment 1
A kind of natural yogurt, ingredient are as follows:
Raw milk 825Kg
64 Kg of white granulated sugar
30 Kg of dilute cream
25 Kg of grapes fruit syrup T-42
10 Kg of concentrated whey protein powder
2 Kg of converted starch
1 Kg of yolk powder
Strain Danisco-863 90-110 U.
1, raw material milk is checked and accepted: by the provided milk supply of herding, lab technician carries out raw material according to GB19301 " lactogenesis " acceptance criteria The examination of cream.Product control person checks fresh milk delivery receitp and fresh milk vehicle navicert.
2, raw milk is transported between storage milk after checking and accepting.
3, it cleans: production equipment used and pipeline is cleaned, clean standard according to Plant management systems.
A, CIP operating instruction requirement: water-alkali-water-acid-water.
B, sterilizing time, temperature should meet operating instruction requirement: first bottle placer and pipeline being disappeared with hot water before production Poison 15 minutes, outlet temperature is up to keeping the temperature 20 minutes after 85 DEG C.
C, it needs to remove sampling valve before cleaning and be scrubbed manually.
D, cleaning terminates to check the cleaning effect in tank, and the cleaning solution in tank should recycle completely, and be in neutrality.
4, thick to consider: raw material milk removes the impurity in raw material milk through the overanxious net filtration of 200 mesh.
5, net cream: the former milk after checking and accepting by standard is through piping newborn filter filtering only.
6, it refrigerates: being cooled to 6 DEG C hereinafter, being stored in holding vessel by the ice water of filtered raw material milk warp.
7, ingredient: shear cylinder is squeezed into raw material milk metering, pre-heating temperature elevation to 50 DEG C, be poured slowly into the grapes fruit syrup that measures and Dilute cream after being uniformly mixed, is added the concentrated whey protein powder (I) measured, recycles 10min, stands hydration 20min;Feed liquid is warming up to 70 DEG C, white granulated sugar, converted starch (good Ji 06203) and yolk powder is dry-mixed uniformly, then slowly It is added, recycles 15min online.
8, standardize: the protein content of raw material milk reaches 3.0%, to add lactalbumin if protein content is lower than 3.0% Powder increases protein content, until reaching standard requirements.
9, homogeneous: the milk after standardization is warming up to 65 DEG C before homogeneous, homogenization pressure 18MPa.
10, sterilization temperature: temperature is 95 ± 2 DEG C.
11, cooling: milk is cooled to 42 DEG C in plate heat exchanger, dismisses in fermentation tank.
12, access fermenting microbe: compounder opens the blender of fermentor when strain is added, dissolve strain sufficiently, mixes It closes uniformly, the necessary disinfection and sterilization of used tool, in case the milk after sterilizing is contaminated;
13, ferment: fermentation temperature is 42 DEG C, fermentation time about 6h, when the acidity of cultured milk is 70o Τ.
14, cooling: the cultured milk fermented to be cooled to 2 DEG C, rotor revolution speed 45 carries out the viscosimetric analysis (Mediterranean DIY Original flavor viscosity >=1750;Mediterranean cup milk viscosity >=2000).
15, add auxiliary material: auxiliary material weighs accurately, and jam is added in sterile working, is added in cooling cultured milk, with cultured milk It is uniformly mixed.
16, filling: packaging health reaches standard, and net content reaches the requirement for allowing net content.
The sanitary index of a racking room and equipment adjusts filling amount, pneumatic and ice water system is first opened before booting.
B cleaning, disinfection bottle placer first have to squeeze out the cold water in pipeline with hot water and throw hot water into again after draining, then The water made in feed liquid bucket is cleaned, and repeatedly for three times, pouring head will sterilize.
C rooftop box will sterilize, and after being fully cooled bottle placer before filling, can just carry out material-filling.
The water in pipeline is extracted with material before d is filling, side by side after solid carbon dioxide, then material is squeezed into and carries out filling, 12 parts of beginning It scraps and handles and destroy in time, check filling quality (such as sealing situation, date print).
2 DEG C of e holding is filling, and each material filling in 4 hours need to finish.
Equipment is first cleaned with hot water after f is filling, then with alkali cleaning, is finally cleaned up with hot water.
17, it refrigerates: product being put into freezer in time and is refrigerated, refrigerated storage temperature is at 2 DEG C, humidity 45%.
18, it dispatches from the factory: can let pass after the assay was approved through product control portion.
19, transport: means of transport use refrigerator car or the lorry with lagging facility, must not with it is poisonous and harmful, have peculiar smell Article load in mixture transport, haulage vehicle must sanitation and hygiene.
20, sale storage: product should be deposited in 2-6 DEG C of freezer or refrigerator, sell in the case where keeping cold chain.
Embodiment 2
A kind of natural yogurt, ingredient are as follows:
850 Kg of raw milk
68 Kg of white granulated sugar
35 Kg of dilute cream
30 Kg of grapes fruit syrup T-42
12 Kg of concentrated whey protein powder
3 Kg of converted starch
2 Kg of yolk powder
100 U of strain Danisco-863.
1, raw material milk is checked and accepted: by the provided milk supply of herding, lab technician carries out raw material according to GB19301 " lactogenesis " acceptance criteria The examination of cream.Product control person checks fresh milk delivery receitp and fresh milk vehicle navicert.
2, raw milk is transported between storage milk after checking and accepting.
3, it cleans: production equipment used and pipeline is cleaned, clean standard according to Plant management systems.
A, CIP operating instruction requirement: water-alkali-water-acid-water.
B, sterilizing time, temperature should meet operating instruction requirement: first bottle placer and pipeline being disappeared with hot water before production Poison 15 minutes, outlet temperature is up to keeping the temperature 20 minutes after 85 DEG C.
C, it needs to remove sampling valve before cleaning and be scrubbed manually.
D, cleaning terminates to check the cleaning effect in tank, and the cleaning solution in tank should recycle completely, and be in neutrality.
4, thick to consider: raw material milk removes the impurity in raw material milk through the overanxious net filtration of 200 mesh.
5, net cream: the former milk after checking and accepting by standard is through piping newborn filter filtering only.
6, it refrigerates: being cooled to 6 DEG C hereinafter, being stored in holding vessel by the ice water of filtered raw material milk warp.
7, ingredient: shear cylinder is squeezed into raw material milk metering, pre-heating temperature elevation to 53 DEG C, be poured slowly into the grapes fruit syrup that measures and Dilute cream after being uniformly mixed, is added the concentrated whey protein powder (I) measured, recycles 10min, stands hydration 22min;Feed liquid is warming up to 72 DEG C, white granulated sugar, converted starch (good Ji 06203) and yolk powder is dry-mixed uniformly, then slowly It is added, recycles 15min online.
8, standardize: the protein content of raw material milk reaches 3.0%, to add lactalbumin if protein content is lower than 3.0% Powder increases protein content, until reaching standard requirements.
9, homogeneous: the milk after standardization is warming up to 68 DEG C before homogeneous, homogenization pressure 19MPa.
10, sterilization temperature: temperature is 95 ± 2 DEG C.
11, cooling: milk is cooled to 43 DEG C in plate heat exchanger, dismisses in fermentation tank.
12, access fermenting microbe: compounder opens the blender of fermentor when strain is added, dissolve strain sufficiently, mixes It closes uniformly, the necessary disinfection and sterilization of used tool, in case the milk after sterilizing is contaminated;
13, ferment: fermentation temperature is 43 DEG C, fermentation time about 6.5h, when the acidity of cultured milk is 73o Τ.
14, cooling: the cultured milk fermented to be cooled to 4 DEG C, rotor revolution speed 45 carries out the viscosimetric analysis (Mediterranean DIY Original flavor viscosity >=1750;Mediterranean cup milk viscosity >=2000).
15, add auxiliary material: auxiliary material weighs accurately, and jam is added in sterile working, is added in cooling cultured milk, with cultured milk It is uniformly mixed.
16, filling: packaging health reaches standard, and net content reaches the requirement for allowing net content.
The sanitary index of a racking room and equipment adjusts filling amount, pneumatic and ice water system is first opened before booting.
B cleaning, disinfection bottle placer first have to squeeze out the cold water in pipeline with hot water and throw hot water into again after draining, then The water made in feed liquid bucket is cleaned, and repeatedly for three times, pouring head will sterilize.
C rooftop box will sterilize, and after being fully cooled bottle placer before filling, can just carry out material-filling.
The water in pipeline is extracted with material before d is filling, side by side after solid carbon dioxide, then material is squeezed into and carries out filling, 12 parts of beginning It scraps and handles and destroy in time, check filling quality (such as sealing situation, date print).
4 DEG C of e holding is filling, and each material filling in 5 hours need to finish.
Equipment is first cleaned with hot water after f is filling, then with alkali cleaning, is finally cleaned up with hot water.
17, it refrigerates: product being put into freezer in time and is refrigerated, refrigerated storage temperature is at 4 DEG C, humidity 50%.
18, it dispatches from the factory: can let pass after the assay was approved through product control portion.
19, transport: means of transport use refrigerator car or the lorry with lagging facility, must not with it is poisonous and harmful, have peculiar smell Article load in mixture transport, haulage vehicle must sanitation and hygiene.
20, sale storage: product should be deposited in 4 DEG C of freezer or refrigerator, sell in the case where keeping cold chain.
Embodiment 3
A kind of natural yogurt, ingredient are as follows:
Raw milk 875Kg
72 Kg of white granulated sugar
40 Kg of dilute cream
35 Kg of grapes fruit syrup T-42
15 Kg of concentrated whey protein powder
4 Kg of converted starch
3 Kg of yolk powder
Strain Danisco-863 90-110 U.
1, raw material milk is checked and accepted: by the provided milk supply of herding, lab technician carries out raw material according to GB19301 " lactogenesis " acceptance criteria The examination of cream.Product control person checks fresh milk delivery receitp and fresh milk vehicle navicert.
2, raw milk is transported between storage milk after checking and accepting.
3, it cleans: production equipment used and pipeline is cleaned, clean standard according to Plant management systems.
A, CIP operating instruction requirement: water-alkali-water-acid-water.
B, sterilizing time, temperature should meet operating instruction requirement: first bottle placer and pipeline being disappeared with hot water before production Poison 15 minutes, outlet temperature is up to keeping the temperature 20 minutes after 85 DEG C.
C, it needs to remove sampling valve before cleaning and be scrubbed manually.
D, cleaning terminates to check the cleaning effect in tank, and the cleaning solution in tank should recycle completely, and be in neutrality.
4, thick to consider: raw material milk removes the impurity in raw material milk through the overanxious net filtration of 200 mesh.
5, net cream: the former milk after checking and accepting by standard is through piping newborn filter filtering only.
6, it refrigerates: being cooled to 6 DEG C hereinafter, being stored in holding vessel by the ice water of filtered raw material milk warp.
7, ingredient: shear cylinder is squeezed into raw material milk metering, pre-heating temperature elevation to 55 DEG C, be poured slowly into the grapes fruit syrup that measures and Dilute cream after being uniformly mixed, is added the concentrated whey protein powder (I) measured, recycles 10min, stands hydration 25min;Feed liquid is warming up to 75 DEG C, white granulated sugar, converted starch (good Ji 06203) and yolk powder is dry-mixed uniformly, then slowly It is added, recycles 15min online.
8, standardize: the protein content of raw material milk reaches 3.0%, to add lactalbumin if protein content is lower than 3.0% Powder increases protein content, until reaching standard requirements.
9, homogeneous: the milk after standardization is warming up to 70 DEG C before homogeneous, homogenization pressure 20MPa.
10, sterilization temperature: temperature is 95 ± 2 DEG C.
11, cooling: milk is cooled to 45 DEG C in plate heat exchanger, dismisses in fermentation tank.
12, access fermenting microbe: compounder opens the blender of fermentor when strain is added, dissolve strain sufficiently, mixes It closes uniformly, the necessary disinfection and sterilization of used tool, in case the milk after sterilizing is contaminated;
13, ferment: fermentation temperature is 45 DEG C, fermentation time about 7h, when the acidity of cultured milk is 75o Τ.
14, cooling: the cultured milk fermented to be cooled to 6 DEG C, rotor revolution speed 45 carries out the viscosimetric analysis (Mediterranean DIY Original flavor viscosity >=1750;Mediterranean cup milk viscosity >=2000).
15, add auxiliary material: auxiliary material weighs accurately, and jam is added in sterile working, is added in cooling cultured milk, with cultured milk It is uniformly mixed.
16, filling: packaging health reaches standard, and net content reaches the requirement for allowing net content.
The sanitary index of a racking room and equipment adjusts filling amount, pneumatic and ice water system is first opened before booting.
B cleaning, disinfection bottle placer first have to squeeze out the cold water in pipeline with hot water and throw hot water into again after draining, then The water made in feed liquid bucket is cleaned, and repeatedly for three times, pouring head will sterilize.
C rooftop box will sterilize, and after being fully cooled bottle placer before filling, can just carry out material-filling.
The water in pipeline is extracted with material before d is filling, side by side after solid carbon dioxide, then material is squeezed into and carries out filling, 12 parts of beginning It scraps and handles and destroy in time, check filling quality (such as sealing situation, date print).
2-6 DEG C of e holding is filling, and each material filling in 6 hours need to finish.
Equipment is first cleaned with hot water after f is filling, then with alkali cleaning, is finally cleaned up with hot water.
17, it refrigerates: product being put into freezer in time and is refrigerated, refrigerated storage temperature is at 6 DEG C, humidity 55%.
18, it dispatches from the factory: can let pass after the assay was approved through product control portion.
19, transport: means of transport use refrigerator car or the lorry with lagging facility, must not with it is poisonous and harmful, have peculiar smell Article load in mixture transport, haulage vehicle must sanitation and hygiene.
20, sale storage: product should be deposited in 6 DEG C of freezer or refrigerator, sell in the case where keeping cold chain.
The foregoing is only a preferred embodiment of the present invention, the scope of protection of the present invention is not limited to this, it is any ripe Know those skilled in the art within the technical scope of the present disclosure, the letter for the technical solution that can be become apparent to Altered or equivalence replacement are fallen within the protection scope of the present invention.

Claims (7)

1. a kind of natural yogurt, which is characterized in that its ingredient are as follows:
Raw milk 825-875Kg
White granulated sugar 64-72 Kg
Dilute cream 30-40 Kg
Grapes fruit syrup T-42 25-35 Kg
Concentrated whey protein powder 10-15 Kg
Converted starch 2-4 Kg
Yolk powder 1-3 Kg
Strain Danisco-863 90-110 U.
2. natural yogurt according to claim 1, which is characterized in that its ingredient are as follows:
850 Kg of raw milk
68 Kg of white granulated sugar
35 Kg of dilute cream
30 Kg of grapes fruit syrup T-42
12 Kg of concentrated whey protein powder
3 Kg of converted starch
2 Kg of yolk powder
100 U of strain Danisco-863.
3. natural yogurt according to claim 1, which is characterized in that the converted starch is two starch phosphate of acetylation Ester.
4. a kind of preparation method of natural yogurt described in claim 1, which comprises the following steps:
Step 1, raw material milk are checked and accepted: by the provided milk supply of herding, lab technician carries out raw material according to GB19301 " lactogenesis " acceptance criteria The examination of cream;Product control person checks fresh milk delivery receitp and fresh milk vehicle navicert;
Step 2, raw milk are transported between storage milk after checking and accepting;
Step 3, cleaning: production equipment used and pipeline are cleaned, and clean standard according to Plant management systems;
Step 4, thick worry: raw material milk removes the impurity in raw material milk through the overanxious net filtration of 200 mesh;
Step 5, net cream: the former milk after checking and accepting by standard is through piping newborn filter filtering only;
Step 6, refrigeration: 6 DEG C are cooled to hereinafter, being stored in holding vessel by the ice water of filtered raw material milk warp;
Step 7, ingredient: shear cylinder is squeezed into raw material milk metering, and pre-heating temperature elevation is poured slowly into the fruit grape sugar measured to 50-55 DEG C Slurry and dilute cream after being uniformly mixed, are added the concentrated whey protein powder measured, recycle 10min, stand hydration 20- 25min;Feed liquid is warming up to 70-75 DEG C, white granulated sugar, converted starch and yolk powder is dry-mixed uniformly, it is then slowly added into, online Recycle 15min;
Step 8, standardization: the protein content of raw material milk reaches 3.0%, to add lactalbumin if protein content is lower than 3.0% Powder increases protein content, until reaching standard requirements;
Step 9, homogeneous: the milk after standardization is warming up to 65-70 DEG C before homogeneous, homogenization pressure 18-20MPa;
Step 10, sterilization temperature: temperature is 95 ± 2 DEG C;
Step 11, cooling: milk is cooled to 42-45 DEG C in plate heat exchanger, dismisses in fermentation tank;
Step 12, access fermenting microbe: compounder opens the blender of fermentor when strain is added, dissolve strain sufficiently, mixes It closes uniformly, the necessary disinfection and sterilization of used tool, in case the milk after sterilizing is contaminated;
Step 13, fermentation: fermentation temperature is 42-45 DEG C, fermentation time 6-7h, when the acidity of cultured milk is 70-75o Τ;
Step 14, cooling: the cultured milk fermented is cooled to 2-6 DEG C, rotor revolution speed 45 carries out viscosimetric analysis;
Step 15, addition auxiliary material: auxiliary material weighs accurately, and jam is added in sterile working, is added in cooling cultured milk, with cultured milk It is uniformly mixed;
Step 16, filling: packaging health reaches standard, and net content reaches the requirement for allowing net content;
Step 17, refrigeration: product being put into freezer in time and is refrigerated, and refrigerated storage temperature is at 2-6 DEG C, humidity 45-55%;
Step 18, factory: it can let pass after the assay was approved through product control portion;
Step 19, transport: means of transport use refrigerator car or the lorry with lagging facility, must not with it is poisonous and harmful, have peculiar smell Article load in mixture transport, haulage vehicle must sanitation and hygiene;
Step 20, sale storage: product should be deposited in 2-6 DEG C of freezer or refrigerator, sell in the case where keeping cold chain.
5. the preparation method of natural yogurt as claimed in claim 4, which is characterized in that step 3 specifically:
A, CIP operating instruction requirement: water, alkali, water, acid, water;
B, sterilizing time, temperature should meet operating instruction requirement: bottle placer and pipeline first being carried out disinfection 15 with hot water before production Minute, outlet temperature is up to keeping the temperature 20 minutes after 85 DEG C;
C, it needs to remove sampling valve before cleaning and be scrubbed manually;
D, cleaning terminates to check the cleaning effect in tank, and the cleaning solution in tank should recycle completely, and be in neutrality.
6. the preparation method of natural yogurt described in claim 5, which is characterized in that in step 3, a specifically:
Rush cold water 8-15 minutes
Alkali recycle 20-22 minutes 1.0-2.0% 70-80 DEG C
Cold water rinses 5-10 minutes
Acid circulation 20-22 minutes 0.8-1.5% 60-70 DEG C
15-28 minutes >=90 DEG C of hot water circuit.
7. the preparation method of natural yogurt as claimed in claim 4, which is characterized in that step 16 specifically: a racking room and The sanitary index of equipment adjusts filling amount, pneumatic and ice water system is first opened before booting;
B cleaning, disinfection bottle placer first have to squeeze out the cold water in pipeline with hot water and throw hot water into again after draining, then make Water in feed liquid bucket is cleaned, and repeatedly for three times, pouring head will sterilize;
C rooftop box will sterilize, and after being fully cooled bottle placer before filling, just can be carried out material-filling;
Extract the water in pipeline with material before d is filling, side by side after solid carbon dioxide, then squeeze into material carry out it is filling, start 12 parts and report It is useless to handle and destroy in time, check filling quality;
2-6 DEG C of e holding is filling, and each material filling in 4-6 hours need to finish;
Equipment is first cleaned with hot water after f is filling, then with alkali cleaning, is finally cleaned up with hot water.
CN201910252523.8A 2018-12-15 2019-03-29 A kind of natural yogurt and preparation method thereof Pending CN109820037A (en)

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CN2018115375785 2018-12-15

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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
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CN112400996A (en) * 2020-11-17 2021-02-26 新疆天山云牧乳业有限责任公司 Set type rum yoghourt and preparation method thereof
CN112868770A (en) * 2019-11-29 2021-06-01 内蒙古伊利实业集团股份有限公司 Yogurt additive composition and low-viscosity original-taste drinking yogurt

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CN105638880A (en) * 2016-01-07 2016-06-08 昆明雪兰牛奶有限责任公司 Stirring-type flavored fermented milk and preparation method thereof
CN106912603A (en) * 2015-12-28 2017-07-04 麦趣尔集团股份有限公司 A kind of French concentrates the preparation method of Yoghourt

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CN101690517A (en) * 2009-10-28 2010-04-07 内蒙古伊利实业集团股份有限公司 Soured milk with yolk powder and preparation method thereof
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Publication number Priority date Publication date Assignee Title
CN112868770A (en) * 2019-11-29 2021-06-01 内蒙古伊利实业集团股份有限公司 Yogurt additive composition and low-viscosity original-taste drinking yogurt
CN112868770B (en) * 2019-11-29 2023-01-31 内蒙古伊利实业集团股份有限公司 Yogurt additive composition and low-viscosity original-taste drinking yogurt
CN112400996A (en) * 2020-11-17 2021-02-26 新疆天山云牧乳业有限责任公司 Set type rum yoghourt and preparation method thereof

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Application publication date: 20190531