CN107691644A - A kind of compound purple fermented grain dairy products and preparation method containing dietary fiber - Google Patents

A kind of compound purple fermented grain dairy products and preparation method containing dietary fiber Download PDF

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Publication number
CN107691644A
CN107691644A CN201710913995.4A CN201710913995A CN107691644A CN 107691644 A CN107691644 A CN 107691644A CN 201710913995 A CN201710913995 A CN 201710913995A CN 107691644 A CN107691644 A CN 107691644A
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China
Prior art keywords
purple
milk
dietary fiber
dairy products
cereal
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CN201710913995.4A
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Inventor
张兴波
宋涛
刘跃平
甘露
王清华
周涛
周波
韩萍
李四方
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Sichuan Chrysanthemum Food Ltd By Share Ltd
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Sichuan Chrysanthemum Food Ltd By Share Ltd
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Priority to CN201710913995.4A priority Critical patent/CN107691644A/en
Publication of CN107691644A publication Critical patent/CN107691644A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23CDAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00Milk preparations; Milk powder or milk powder preparations
    • A23C9/12Fermented milk preparations; Treatment using microorganisms or enzymes
    • A23C9/13Fermented milk preparations; Treatment using microorganisms or enzymes using additives
    • A23C9/133Fruit or vegetables
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23CDAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00Milk preparations; Milk powder or milk powder preparations
    • A23C9/12Fermented milk preparations; Treatment using microorganisms or enzymes
    • A23C9/13Fermented milk preparations; Treatment using microorganisms or enzymes using additives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23CDAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00Milk preparations; Milk powder or milk powder preparations
    • A23C9/12Fermented milk preparations; Treatment using microorganisms or enzymes
    • A23C9/13Fermented milk preparations; Treatment using microorganisms or enzymes using additives
    • A23C9/1315Non-milk proteins or fats; Seeds, pulses, cereals or soja; Fatty acids, phospholipids, mono- or diglycerides or derivatives therefrom; Egg products
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/113Acidophilus
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/123Bulgaricus
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/125Casei
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/21Streptococcus, lactococcus
    • A23V2400/249Thermophilus

Abstract

The invention belongs to dairy technology field, is related to a kind of compound purple fermented grain dairy products and preparation method containing dietary fiber, it is characterised in that:Comprise the following steps:The purple cereal includes purple sweet potato powder, purple corn meal, purple rice powder, and formula includes the component of following weight/mass percentage composition:Purple sweet potato powder 1 2%, soybean protein 0.2-0.5%, purple corn meal 0.2 0.5%, purple rice powder 0.4 0.7%, liquid milk 80 90%, white granulated sugar 6 8%, emulsion stabilizer 0.2 0.6%, ethylmaltol 0.05-0.08%, essence 0.04-0.07%, strain 0.009 0.012%, polydextrose 1% and enzyme preparation 0.05 0.09%, remaining content are water.A variety of purple cereal mixed enzymolysis, product special flavour is strong, purple compound protein fermented milk products formula of the dietary fiber content more than 1.5%.

Description

A kind of compound purple fermented grain dairy products and preparation method containing dietary fiber
Technical field
The invention belongs to dairy technology field, more particularly to a kind of compound purple fermented grain dairy products containing dietary fiber and Preparation method.
Background technology
Existing market has cereal and the compound fermentation class product of milk, mainly with a small amount of oat, fruit juice or other plants Species raw material is compounded with milk, and inoculation Bulgarian Lactobacillus, streptococcus thermophilus and bifidobacterium fermentation are made, such The following technical problem of product generally existing:1st, grain content is relatively low, and cereal materialses species is few, and product special flavour is bad.2nd, vegetalitas Raw material is few, and dietary fiber content is less than 1.5%.3rd, cereals raw material coarse mouthfeel, should not absorb.
Existing situation as described above, a kind of cereal is added in most of cereal breast dairy products now, its nutrient classes is more single To adjust, product special flavour is also more flat, breaks through these technical problems in the present invention, using cereal a variety of and not of the same race as raw material, exploitation Go out a kind of new milk made product.Product adds the cereal of multiple types, and the nutriment that different cultivars cereal materialses contain is different, Mix nutritious, taste is full.But in actually formula and manufacturing process, because cereal materialses contain very high shallow lake Powder, the easy aging of cereal starch under liquid;And raw material mixing of different nature, the material particles proportion after dissolving differ, Easily occurs phenomena such as bleed, layering, precipitation, gel there is product.
Milk is a kind of objective unstability system of the composition of nutritive substances such as protein, fat, carbohydrate in itself, is being sterilized Under the conditions of, the structure of protein and liposome varies widely compared with fresh milk, and fat globule elapses over time to be occurred on fat Floating, protein can precipitate, if adding certain cereal materialses in system, it is heavy that the non-enzymatic starch water swelling in part produces Form sediment, layering.
Starch dissolution aging can have an impact to product quality, but effect produced by different cereal materialses Difference, each cereal materialses age of starch form of expression are also different.Purple sweet potato powder, purple corn meal, purple rice powder are in the form of expression There is difference, purple corn meal dissolubility is poor, there is certain granules sense, and solubilizing poorly can increase product harsh feeling.Purple rice powder starch contains Amount is higher, smooth fine and smooth mouthfeel can be brought after dissolving, but easily cause bleed after age of starch.Purple sweet potato powder fiber content compared with Height, there are certain water-retaining property, age of starch unobvious after dissolving.Various types of grain mixes use, is more easy to precipitated and separated occur The problems such as.
In addition, color is easily varied in dairy products, it is difficult to the natural colored of raw material is kept in manufacturing process and in storage. In order that the color of dairy products is vivid, typically strengthen color using food grade additives.But can there is edible safety The problem of.
The content of the invention
In order to solve problems of the prior art, the invention provides a kind of compound purple cereal containing dietary fiber Fermented milk products, a variety of purple cereal mixed enzymolysis, product special flavour is strong, purple compound egg of the dietary fiber content more than 1.5% White fermented milk products formula.By the way that the various types of grain raw materials such as purple sweet potato powder, purple corn meal, purple rice powder are digested, and milk mixed fermentation, By the reasonably combined lifting product special flavour of a variety of natural purple class cereal materialses, product is improved by the coordination fermentation of multi-cultur es Mouthfeel, and improve product dietary fiber content using the natural dietary fiber in cereal materialses.Natural color is constant, and color is happy People;It is not easy to be layered, bleed and produces precipitation.
It is a further object of the present invention to provide a kind of preparation method of the compound purple fermented grain dairy products containing dietary fiber, Cereal materialses are dissolved to (high temperature mixes gelatinization) by mixing and emulsifying and are sufficiently mixed with milk, by milling and homogeneous side Method reduces cereal-granules diameter.Starch chain is cut off by zymolysis technique, makes mouthfeel is more smooth to be easy to absorb.Multi-cultur es cooperative fermentation Process improving product special flavour and mouthfeel.
Solve a kind of compound purple fermented grain dairy products containing dietary fiber of technical problem in the present invention, its feature exists In:The purple cereal includes purple sweet potato powder, purple corn meal, purple rice powder, and formula includes the component of following weight/mass percentage composition:It is purple Potato powder 1-2%, purple corn meal 0.2-0.5%, purple rice powder 0.4-0.7%, soybean protein 0.2-0.5%, liquid milk 80- 90%th, white granulated sugar 6-8%, emulsion stabilizer 1-1.5%, ethylmaltol 0.05-0.08%, essence 0.04-0.07%, bacterium Kind 0.009-0.012%, polydextrose 1% and enzyme preparation 0.05-0.09%, remaining content are water.
In prioritization scheme, formula includes the component of following weight/mass percentage composition:Purple sweet potato powder 1.2-1.6%, purple corn meal 0.3-0.4%, purple rice powder 0.5-0.6%, soybean protein 0.3-0.4%, liquid milk 85-88%, white granulated sugar 7-8%, emulsification Stabilizer 1.2-1.3%, ethylmaltol 0.06-0.07%, essence 0.05-0.06%, strain 0.009%, polydextrose 1%th, enzyme preparation 0.06-0.08%.
In further prioritization scheme, formula includes the component of following weight/mass percentage composition:Purple sweet potato powder 1.2%, purple corn meal 0.3%th, purple rice powder 0.5%, soybean protein 0.4%, liquid milk 88%, white granulated sugar 7.8%, emulsion stabilizer 1.2%, ethyl Maltol 0.06%, essence 0.06%, strain 0.009%, polydextrose 1%, enzyme preparation 0.06%.
Cereal materialses use powder raw material made of physical treatment process, neither mistake character function itself, are also beneficial to processing.Paddy Species apolegamy is based on following reason:
(1), purple sweet potato powder:Purple potato is rich in selenium element and anthocyanidin, and anthocyanidin has inoxidizability and anti-mutability, is potent Antioxidant (oxidation resistance is approximately 50 times of vitamin e), be described as after water, protein, fat, carbohydrate, dimension The seventh-largest necessary nutrient after raw element, mineral matter, it is the disease preventing and treating of current scientific circles' discovery, safeguards that human health is most straight Connect, be most safe, maximally effective free radical scavenger, its remove the ability of free radical be 20 times of vitamin c, the 50 of vitamin e Times.Purple sweet potato powder fiber content is higher, has certain water-retaining property after dissolving, age of starch unobvious, unique flavor, is product special flavour Main source.
(2) purple corn meal:Containing substantial amounts of phenolic compounds and anthocyanidin, containing 18 kinds of amino acid, and must containing human body The 21 kinds of trace elements and multivitamin and natural pigment needed, especially be rich in Anticancer Element Selenium selenium, enhancement intelligence element zinc with And iron and calcium etc..
(3) purple rice powder:Containing the high fine composition of anthocyanidin and low sugar in purple rice, have anti-oxidant and actuate intestines peristalsis work With containing abundant protein, fat, lysine, riboflavin, sulphur peace element, the multivitamin such as folic acid, Yi Jitie, zinc, calcium, phosphorus Deng needed by human body trace element.
The strain is streptococcus thermophilus, lactobacillus delbruockii subspecies bulgaricus, lactobacillus acidophilus and Lactobacillus casei, its Middle ratio is 3:2:0.5:0.5;The enzyme preparation is cellulase, hemicellulase, zytase and alpha-amylase and saccharification Enzyme, its ratio are 2:2:1.5:8:1.
Calculated with 1 kilogram of fermented milk products, the emulsion stabilizer includes the component of following quality:Emulsion stabilizer include with The component of lower quality:Emulsifing thickener 1.5-2.2g, hydroxypropyl PASELLI EASYGEL 6.5-10.2g, agar 0.8-1g, biacetyl Tartaric acid list double glyceride 0.1g, single, diglycerine fatty acid ester 0.3-0.5g and pectin 0.8-1g.
In prioritization scheme, the emulsion stabilizer includes the component of following quality:Emulsifing thickener 2g, the starch of hydroxypropyl two Phosphate 8g, agar 0.8g, diacetyl tartarate list double glyceride 0.1g is single, diglycerine fatty acid ester 0.3g and pectin 0.8g.
Emulsion stabilizer protection, hardness, elasticity, the water-retaining property of lifting acidified milk, the stability extended in shelf life of products Can, so as to protect product quality stable.
A kind of preparation method of the compound purple fermented grain dairy products containing dietary fiber, comprises the following steps in the present invention:
(1) raw material prepares:Satisfactory milk is selected, by purple grain grinding, by some in white granulated sugar, i.e. white sugar It is standby that 28-32%, emulsion stabilizer and the polydextrose of total amount are mixed into mixed powder;White granulated sugar herein act as helping Solvent, help stabilizer dissolving.
(2) purple cereal slurry is made:High-speed stirred cylinder (shear rate:Milk, i.e. milk total amount are added in 2700r/min) 30-40%, be heated to 70-80 DEG C, while stirring add crush after purple cereal, stir, mill, stand and add successively Enzyme preparation digests, then freezes through 18-22MP homogenizations and terminate enzymolysis to 4 DEG C, obtain cereal slurry material;
(3) molten sugar mixing:Milk is added in high-speed stirred cylinder, the 30-40% of as total milk amount, is heated to 70-90 DEG C, side Stirring side and add mixed powder, remaining white sugar, dissolving, filtering are added after dissolving, filtered fluid mixes with remaining milk and cereal slurry, Add after ethylmaltol and soybean protein and stir, obtain mixed liquor A;
(4) homogeneous, sterilizing:To mixed liquor A through 20-22MPa homogenizations, sterilizing, semi-finished product B is obtained;Sterilising temp 90-98 DEG C, sterilization time 4-6min, 41 DEG C -43 DEG C of product outlet temperature;
(5) it is inoculated with:Strain was taken out in 30 minutes in advance and thawed, the strain after defrosting is dissolved in aseptic inoculation container, After strain fully dissolves completely, aseptic inoculation, the semi-finished product C after must being inoculated with are carried out to semi-finished product B after standing activation 30 minutes;
(6) ferment, be demulsified and freeze:Semi-finished product C is fermented, 41~43 DEG C of fermentation temperature, ferment 5-8h, works as dairy products During acidity >=70T °, stirring demulsification, then freeze to 20-25 DEG C of temperature, terminate fermentation;
(7) filling, after fermentation:Product is after filling, into 8-11 DEG C of low-temperature cold store, places 22-25 hours, after the completion of send out Ferment, 1-3 DEG C of freezer is transferred to, cools as 2-4 DEG C, produce.
Feature of the present invention
A, strain improvement:Compounded using strain for special seed selection probiotics, with Lactobacillus casei, Bulgarian lactic acid bar Bacterium, lactobacillus acidophilus compounding seed selection form, and bacterial activity is strong, and ferment local-flavor is good.
B, rich in dietary fiber:Dietary fiber is enriched using cereal materialses, improves product dietary fiber content, product meals Fiber content reaches 1.5%, is beneficial to human body intestinal canal health.
C, protruded rich in anthocyanidin, healthcare function, strengthen immune function of human body.
D, cereal handling process:The techniques such as cereal materialses are through dissolving, milling, digesting, co-fermentation, cereal materialses dissolve more Thoroughly, mouthfeel is finer and smoother.
E, color and luster flavor:More money purple cereal materialses collocation, unique flavor do not add pigment, and product presents naturally shallow Purple, enrich the color of dairy products.
Dairy products have the characteristics of natural purple in the present invention, and the nutrition of this product cereal and color and luster derive from natural food materials, Non-pigment adds.Can 30 days holding times or more, mobility:Mobility with stirred yoghurt, color:It is pale purple, fragrance: The characteristic flavor on basis of mellowness and natural grain with fermented yoghourt, water absorption rate:Bleed is less than 5% in shelf-life.
Embodiment
With reference to embodiment, the present invention is described in detail:
Embodiment 1
A kind of purple fermented grain dairy products containing dietary fiber and probiotics, are first screened milk, then former to cereal Material is dissolved, milled, is gelatinized, being digested, homogenizing step processing, the cereal slurries and stabilizer after milk, processing after screening Produced successively by homogeneous, sterilizing, inoculation, fermentation, demulsification, refrigeration, filling, after fermentation again after mixing, wherein each material quality Percentage composition is purple sweet potato powder 1.2%, purple corn meal 0.3%, purple rice powder 0.5%, soybean protein 0.4%, liquid milk 88%, white Granulated sugar 7.8%, emulsion stabilizer 0.5%, strain 0.009%, polydextrose 1% and enzyme preparation 0.06%, remaining content are water.
Strain is streptococcus thermophilus, lactobacillus delbruockii subspecies bulgaricus, lactobacillus acidophilus, Lactobacillus casei, and ratio is 3:2:0.5:0.5.
Calculated with 1 kilogram of fermented milk products, the emulsion stabilizer includes the component of following quality:Emulsifing thickener 2g, hydroxyl Propyl group PASELLI EASYGEL 8g, agar 0.8g, diacetyl tartarate list double glyceride 0.1g, single, diglycerine fatty acid ester 0.3g, Pectin 0.8g.Emulsion stabilizer protection, hardness, elasticity, the water-retaining property of lifting acidified milk, the stability extended in shelf life of products Can, so as to protect product quality stable.
The enzyme preparation is cellulase, hemicellulase, zytase and alpha-amylase, carbohydrase, cellulase, half Cellulase, zytase and alpha-amylase:Carbohydrase ratio is 2:2:1.5:8:1.
Emulsion stabilizer protection, hardness, elasticity, the water-retaining property of lifting acidified milk, the stability extended in shelf life of products Can, so as to protect product quality stable.
Specific preparation method is as follows:
(1) raw material prepares, milk supply screening:Select satisfactory liquid milk, protein content >=3.2%;By purple cereal Crush, grain diameter≤0.2mm;Some (the 30% of total amount) in white granulated sugar, emulsion stabilizer and polydextrose are mixed It is uniformly standby into mixed powder;
Animal protein raw material of fine qualities is selected, it is perfect with yeastiness to be advantageous to product quality raising.
(2) cereal slurry is made:Cereal materialses by dissolve, mill, aging, enzymolysis, homogenization into cereal slurry;
Dissolving:Milk (the 30% of total amount) is added in high-speed stirred cylinder, is heated to 75 DEG C, opens stirring, adds powdery paddy Raw material stirring 15min completes preliminarily solubilised.
Mill:Cereal slurry after preliminarily solubilised, when preparing 1 ton of material under the flow velocity through 5 ton hours, passes through colloid Mill circulation is milled 10min, it is ensured that cereal-granules≤0.1mm.
Stand gelatinization:Cereal concentrated slurry temperature of charge after milling is reduced to 65 DEG C, and 30min is stood in heat insulation tank, Ensure cereal-granules and the abundant water swelling of starch.
Enzymolysis:Cereal concentrated slurry is cooled to 60 DEG C, enzyme preparation is added by formula rate, starts timing, phase after stirring 10min Between open mixer per stationary intervals 10min and stir 2 minutes, digest and complete after 60min.Formed sediment in the enzymolysis process decomposable asymmetric choice net cereal Powder, make products taste more smooth, nutrition is easier to be absorbed by the body.Stirring makes enzyme preparation be completely dispersed uniformly, ensures enzyme preparation Fully contacted with material.
Homogeneous:The cereal concentrated slurry completed will be digested through 20MP homogenizations, freeze to 4 DEG C to terminate enzymolysis, obtain cereal Slurry.
(3) molten sugar mixing:Milk (the 30% of total amount) is added in high-speed stirred cylinder, is heated to 70 DEG C, opens stirring, is added Mixed powder, after being completely dissolved, remaining white sugar is added, is filtered until completely dissolved, in filtered fluid remaining milk and step (2) Cereal slurry mixing, adds after ethylmaltol and soybean protein and stirs, be settled to required volume, obtain mixed liquor A;
Molten sugared temperature range is suitable for the optimum temperature of stabilizer dissolving, too high or too low to be all unfavorable for stabilizer molten Solution, there is particle or stabilizer failure.
(4) homogeneous, sterilizing:At a temperature of 68 DEG C, to A through 20MPa homogenizations, sterilizing, 95 DEG C of sterilising temp, sterilizing when Between 5min, 43 DEG C of product outlet temperature, the semi-finished product B after must sterilizing;It is that institute is inoculated with subsequent handling to control product outlet temperature The temperature needed, it is suitable for temperature needed for microbial fermentation.
(5) it is inoculated with:Strain is placed and thawed under normal temperature by 30min in advance, and defrosting is dissolved in aseptic inoculation container after terminating, After strain fully dissolves completely, aseptic inoculation, the semi-finished product C after must being inoculated with are carried out to B after standing activation 30min;
(6) ferment, be demulsified, refrigeration:D is fermented, 41-43 DEG C of fermentation temperature, ferment 5-10h after sample detection, when When sample titratable acidity is 70T °, semi-finished product are demulsified and stirred, then freezed to 20-25 DEG C of temperature, to terminate fermentation;It is demulsified the time For 3-5min, overlong time can produce sense of eking out a living, on the contrary then demulsification deficiency;The fermentation temperature is the optimal fermentation of mixed bacteria Temperature;Termination of fermenting is a process, and refrigeration arrives demand temperature, and microbial activity reduces, and fermentation, which is considered as, to be terminated.Single tank thing Material refrigeration total time control is too high to avoid acidity from increasing within 30min.
(7) filling, after fermentation:Product into 10 DEG C of low-temperature cold stores, is placed 24 hours after filling, completes after fermentation, turn Enter 2 DEG C of freezers, cool as 2-4 DEG C, obtain finished product.
Emulsion stabilizer protection, hardness, elasticity, the water-retaining property of lifting acidified milk, the stability extended in shelf life of products Can, so as to protect product quality stable.Dietary fiber height easily causes product precipitation in dairy products.Grain component during storage, Also age of starch can occur, viscosity rise, caking, product characteristics are maintained using emulsion stabilizer water retention.
The principal element for influenceing red in process of production is heating intensity, so in process, keep as far as possible compared with Low heating strength, semi-finished product freeze preservation in time, can effectively preserve color and luster and nutrition.Process is stored in finished product shelf In, the principal element for influenceing color and luster and nutrition is illumination and oxidation, can effectively be preserved using the closed packaging material every light.
Embodiment 2
A kind of compound purple fermented grain dairy products containing dietary fiber, formula include the group of following weight/mass percentage composition Point:Purple sweet potato powder 1%, purple corn meal 0.2%, purple rice powder 0.4%, soybean protein 0.2%, liquid milk 80%, white granulated sugar 6%, Emulsion stabilizer 1%, ethylmaltol 0.05%, essence 0.04%, strain 0.009%, polydextrose 1% and enzyme preparation 0.05%, remaining content is water.
Strain is streptococcus thermophilus, lactobacillus delbruockii subspecies bulgaricus, lactobacillus acidophilus and Lactobacillus casei, wherein comparing Example is 3:2:0.5:0.5;The enzyme preparation is cellulase, hemicellulase, zytase and alpha-amylase and carbohydrase, its Ratio is 2:2:1.5:8:1.
Calculated with 1 kilogram of fermented milk products, the emulsion stabilizer includes the component of following quality:Emulsion stabilizer include with The component of lower quality:Emulsifing thickener 1.5g, hydroxypropyl PASELLI EASYGEL 6.5g, agar 0.8g, diacetyl tartarate Dan Shuan Glyceride 0.1g, single, diglycerine fatty acid ester 0.3g and pectin 0.8g.
Specific preparation method comprises the following steps:
(1) raw material prepares:Select satisfactory milk, protein content >=3.2%;By purple grain grinding, purple cereal Grain diameter≤0.2mm;Some (for the 28% of total amount) in white granulated sugar, emulsion stabilizer and polydextrose are mixed equal It is even standby into mixed powder;
(2) purple cereal slurry is made:Milk (totalling amount milk 40%) is added in high-speed stirred cylinder, is heated to 70 DEG C, side The purple cereal that side is added after crushing is stirred, stirring, colloid mill are milled, stand and added enzyme preparation and digest successively, then by material Through 18MP homogenizations, freeze and terminate enzymolysis to 4 DEG C, obtain cereal slurry;Mixing time 13min, grinding time 8min, during standing Between 25min, 60 DEG C of dwell temperature, 55 DEG C of hydrolysis temperature, enzymolysis time 0.8h.
(3) molten sugar mixing:Milk (totalling amount milk 40%) is added in high-speed stirred cylinder, is heated to 80 DEG C, while stirring Mixed powder is added, remaining white sugar, dissolving, filtering are added after dissolving, filtered fluid mixes with remaining milk and cereal slurry, adds second After base maltol and soybean protein and stir, obtain mixed liquor A;
(4) homogeneous, sterilizing:To mixed liquor A through 20MPa homogenizations, sterilizing, semi-finished product B is obtained;90 DEG C of sterilising temp, go out Bacterium time 4min, 41 DEG C DEG C of product outlet temperature;
(5) it is inoculated with:25min, which takes out strain, in advance thaws, is completely dissolved and stands, stand after activation 25min half-and-half into Product B carries out aseptic inoculation, the semi-finished product C after must being inoculated with;
(6) ferment, be demulsified and freeze:Semi-finished product C is fermented, 41 DEG C of fermentation temperature, ferment 8h, when dairy products acidity >= At 70T °, stirring demulsification, then freeze to 20 DEG C of temperature, terminate fermentation;
(7) filling, after fermentation:Product into 8 DEG C of low-temperature cold stores, is placed 25 hours after filling, completes after fermentation, turn Enter 1 DEG C of freezer, cool as 2 DEG C, produce.
Embodiment 3
A kind of compound purple fermented grain dairy products containing dietary fiber, formula include the group of following weight/mass percentage composition Point:Purple sweet potato powder 2%, purple corn meal 0.5%, purple rice powder 0.7%, soybean protein 0.5%, liquid milk 90%, white granulated sugar 8%, Emulsion stabilizer 1.5%, ethylmaltol 0.08%, essence 0.07%, strain 0.012%, polydextrose 1% and enzyme preparation 0.09%, remaining content is water.
Strain is streptococcus thermophilus, lactobacillus delbruockii subspecies bulgaricus, lactobacillus acidophilus and Lactobacillus casei, wherein comparing Example is 3:2:0.5:0.5;The enzyme preparation is cellulase, hemicellulase, zytase and alpha-amylase and carbohydrase, its Ratio is 2:2:1.5:8:1.
Calculated with 1 kilogram of fermented milk products, the emulsion stabilizer includes the component of following quality:Emulsion stabilizer include with The component of lower quality:Emulsifing thickener 2.2g, hydroxypropyl PASELLI EASYGEL 10.2g, agar 1g, diacetyl tartarate list are double sweet Grease 0.1g, single, diglycerine fatty acid ester 0.5g and pectin 1g.
Emulsion stabilizer includes the component of following quality:Emulsifing thickener 2g, hydroxypropyl PASELLI EASYGEL 8g, agar 0.8g, diacetyl tartarate list double glyceride 0.1g, single, diglycerine fatty acid ester 0.3g and pectin 0.8g.
Specific preparation method comprises the following steps:
(1) raw material prepares:Select satisfactory milk, protein content >=3.2%;By purple grain grinding, purple cereal Grain diameter≤0.2mm;Some (for the 32% of total amount) in white granulated sugar, emulsion stabilizer and polydextrose are mixed equal It is even standby into mixed powder;
(2) purple cereal slurry is made:Milk (totalling amount milk 35%) is added in high-speed stirred cylinder, is heated to 80 DEG C, side The purple cereal that side is added after crushing is stirred, stirring, colloid mill are milled, stand and added enzyme preparation and digest successively, then by material Through 22MP homogenizations, freeze and terminate enzymolysis to 4 DEG C, obtain cereal slurry;Mixing time 18min, grinding time 12min, stand Time 35min, 70 DEG C of dwell temperature, 65 DEG C of hydrolysis temperature, enzymolysis time 1.2h;Enzymolysis process intermittent stirs, i.e., per quiet Only it is spaced 12min and opens mixer stirring 1.5min.
(3) molten sugar mixing:Milk (totalling amount milk 35%) is added in high-speed stirred cylinder, is heated to 90 DEG C, while stirring Mixed powder is added, remaining white sugar, dissolving, filtering are added after dissolving, filtered fluid mixes with remaining milk and cereal slurry, adds second After base maltol and soybean protein and stir, obtain mixed liquor A;
(4) homogeneous, sterilizing:To mixed liquor A through 22MPa homogenizations, sterilizing, semi-finished product B is obtained;98 DEG C of sterilising temp, go out Bacterium time 6min, 43 DEG C of product outlet temperature;
(5) it is inoculated with:25-35min, which takes out strain, in advance thaws, is completely dissolved and stands, and stands after activation 35min double Finished product B carries out aseptic inoculation, the semi-finished product C after must being inoculated with;
(6) ferment, be demulsified and freeze:Semi-finished product C is fermented, 43 DEG C of fermentation temperature, ferment 5h, when dairy products acidity >= At 70T °, stirring demulsification, then freeze to 25 DEG C of temperature, terminate fermentation;
(7) filling, after fermentation:Product is after filling, into 11 DEG C of low-temperature cold stores, places 22-25 hours, after the completion of send out Ferment, 3 DEG C of freezers are transferred to, cools as 4 DEG C, produces.
Embodiment 4
A kind of compound purple fermented grain dairy products containing dietary fiber, formula include the component of following weight/mass percentage composition: Purple sweet potato powder 1.2%, purple corn meal 0.3%, purple rice powder 0.5%, soybean protein 0.3%, liquid milk 85%, white granulated sugar 7%, breast Change stabilizer 1.2%, ethylmaltol 0.06%, essence 0.05%, strain 0.009%, polydextrose 1%, enzyme preparation 0.06%.
Strain is streptococcus thermophilus, lactobacillus delbruockii subspecies bulgaricus, lactobacillus acidophilus and Lactobacillus casei, wherein comparing Example is 3:2:0.5:0.5;The enzyme preparation is cellulase, hemicellulase, zytase and alpha-amylase and carbohydrase, its Ratio is 2:2:1.5:8:1.
Calculated with 1 kilogram of fermented milk products, the emulsion stabilizer includes the component of following quality:Emulsion stabilizer include with The component of lower quality:Emulsifing thickener 1.5g, hydroxypropyl PASELLI EASYGEL 7.5g, agar 0.8g, diacetyl tartarate Dan Shuan Glyceride 0.1g, single, diglycerine fatty acid ester 0.3g and pectin 0.8g.
Specific preparation method comprises the following steps:
(1) raw material prepares:Select satisfactory milk, protein content >=3.2%;By purple grain grinding, purple cereal Grain diameter≤0.2mm;Some (for the 30% of total amount) in white granulated sugar, emulsion stabilizer and polydextrose are mixed equal It is even standby into mixed powder;
(2) purple cereal slurry is made:Milk (totalling amount milk 30%) is added in high-speed stirred cylinder, is heated to 72 DEG C, side The purple cereal that side is added after crushing is stirred, stirring, colloid mill are milled, stand and added enzyme preparation and digest successively, then by material Through 20MP homogenizations, freeze and terminate enzymolysis to 4 DEG C, obtain cereal slurry;Mixing time 16min, grinding time 9min, during standing Between 28min, 62 DEG C of dwell temperature, 58 DEG C of hydrolysis temperature, enzymolysis time 0.9h;Enzymolysis process intermittent stirs, i.e., per static It is spaced 8min and opens mixer stirring 1.8min.
(3) molten sugar mixing:Milk (totalling amount milk 30%) is added in high-speed stirred cylinder, is heated to 75 DEG C, while stirring Mixed powder is added, remaining white sugar, dissolving, filtering are added after dissolving, filtered fluid mixes with remaining milk and cereal slurry, adds second After base maltol and soybean protein and stir, obtain mixed liquor A;
(4) homogeneous, sterilizing:To mixed liquor A through 21MPa homogenizations, sterilizing, semi-finished product B is obtained;93 DEG C of sterilising temp, go out Bacterium time 5min, 42 DEG C of product outlet temperature;
(5) it is inoculated with:32min, which takes out strain, in advance thaws, is completely dissolved and stands, stand after activation 28min half-and-half into Product B carries out aseptic inoculation, the semi-finished product C after must being inoculated with;
(6) ferment, be demulsified and freeze:Semi-finished product C is fermented, 42 DEG C of fermentation temperature, ferment 7h, when dairy products acidity >= At 70T °, stirring demulsification, then freeze to 23 DEG C of temperature, terminate fermentation;
(7) filling, after fermentation:Product into 9 DEG C of low-temperature cold stores, is placed 23 hours after filling, completes after fermentation, turn Enter 2 DEG C of freezers, cool as 3 DEG C, produce.
Embodiment 5
A kind of compound purple fermented grain dairy products containing dietary fiber, formula include the component of following weight/mass percentage composition: Purple sweet potato powder 1.6%, purple corn meal 0.4%, purple rice powder 0.6%, soybean protein 0.4%, liquid milk 88%, white granulated sugar 8%, breast Change stabilizer 1.3%, ethyl malt 0.07%, essence 0.06%, strain 0.009%, polydextrose 1%, enzyme preparation 0.08%.
Strain is streptococcus thermophilus, lactobacillus delbruockii subspecies bulgaricus, lactobacillus acidophilus and Lactobacillus casei, wherein comparing Example is 3:2:0.5:0.5;The enzyme preparation is cellulase, hemicellulase, zytase and alpha-amylase and carbohydrase, its Ratio is 2:2:1.5:8:1.
Calculated with 1 kilogram of fermented milk products, the emulsion stabilizer includes the component of following quality:Emulsion stabilizer include with The component of lower quality:Emulsifing thickener 2g, hydroxypropyl PASELLI EASYGEL 8.7g, agar 0.9g, diacetyl tartarate list are double sweet Grease 0.1g, single, diglycerine fatty acid ester 0.4g and pectin 0.9g.
Emulsion stabilizer includes the component of following quality:Emulsifing thickener 2g, hydroxypropyl PASELLI EASYGEL 8g, agar 0.8g, diacetyl tartarate list double glyceride 0.1g, single, diglycerine fatty acid ester 0.3g and pectin 0.8g.
Specific preparation method comprises the following steps:
(1) raw material prepares:Select satisfactory milk, protein content >=3.2%;By purple grain grinding, purple cereal Grain diameter≤0.2mm;Some (for the 30% of total amount) in white granulated sugar, emulsion stabilizer and polydextrose are mixed equal It is even standby into mixed powder;
(2) purple cereal slurry is made:Milk (totalling amount milk 30%) is added in high-speed stirred cylinder, is heated to 76 DEG C, side The purple cereal that side is added after crushing is stirred, stirring, colloid mill are milled, stand and added enzyme preparation and digest successively, then by material Through 18MP homogenizations, freeze and terminate enzymolysis to 4 DEG C, obtain cereal slurry;Mixing time 15min, grinding time 11min, stand Time 30min, 68 DEG C of dwell temperature, 62 DEG C of hydrolysis temperature, enzymolysis time 1.5h.
(3) molten sugar mixing:Milk (totalling amount milk 35%) is added in high-speed stirred cylinder, is heated to 85 DEG C, while stirring Mixed powder is added, remaining white sugar, dissolving, filtering are added after dissolving, filtered fluid mixes with remaining milk and cereal slurry, adds second After base maltol and soybean protein and stir, obtain mixed liquor A;
(4) homogeneous, sterilizing:To mixed liquor A through 20MPa homogenizations, sterilizing, semi-finished product B is obtained;91 DEG C of sterilising temp, go out Bacterium time 5min, 41.5 DEG C of product outlet temperature;
(5) it is inoculated with:25-35min, which takes out strain, in advance thaws, is completely dissolved and stands, after standing activation 25-35min Aseptic inoculation, the semi-finished product C after must being inoculated with are carried out to semi-finished product B;
(6) ferment, be demulsified and freeze:Semi-finished product C is fermented, 42.5 DEG C of fermentation temperature, ferment 6h, when dairy products acidity >=70T ° when, stirring demulsification, then freeze to 21 DEG C of temperature terminates fermentation;
(7) filling, after fermentation:Product into 10 DEG C of low-temperature cold stores, is placed 24 hours after filling, completes after fermentation, turn Enter 2 DEG C of freezers, cool as 2 DEG C, produce.
Embodiment 6
Content in specific preparation method such as embodiment 1, a kind of compound purple fermented grain dairy products containing dietary fiber, matches somebody with somebody Side includes the component of following weight/mass percentage composition:Purple sweet potato powder 1.5%, purple corn meal 0.4%, purple rice powder 0.6%, soybean protein 0.35%th, liquid milk 86%, white granulated sugar 7.5%, emulsion stabilizer 1.3%, ethylmaltol 0.06%, essence 0.06%, Strain 0.01%, polydextrose 1% and enzyme preparation 0.07%, remaining content are water.
Strain is streptococcus thermophilus, lactobacillus delbruockii subspecies bulgaricus, lactobacillus acidophilus and Lactobacillus casei, wherein comparing Example is 3:2:0.5:0.5;The enzyme preparation is cellulase, hemicellulase, zytase and alpha-amylase and carbohydrase, its Ratio is 2:2:1.5:8:1.
Calculated with 1 kilogram of fermented milk products, emulsion stabilizer includes the component of following quality:Emulsifing thickener 1.8g, hydroxypropyl Base PASELLI EASYGEL 8.2g, agar 0.8g, diacetyl tartarate list double glyceride 0.1g, single, diglycerine fatty acid ester 0.3g With pectin 0.8g.
The physical and chemical index of fermented milk products such as table 1 below in the present invention:
The physical and chemical index of table 1
Dietary fiber content:About 1.5%, probiotics:Probiotics >=1*108cfu/ml.
Organoleptic requirements' such as table 2 below:
The organoleptic requirements of table 2
It is in addition, other as pollutant is limited the quantity:Meet GB 2762 regulation, mycotoxin limitation:Meet GB 2761 rule It is fixed, microorganism limitation such as table 3:
The microorganism of table 3 is limited the quantity
Experiment one
By taking embodiment 1 as an example, other contents are the same:
When different standing gelatinization points and time, its effect is different, concrete analysis such as table 4 below:
Table 4
From the above, it can be seen that in 65 DEG C of temperature, either mouthfeel, viscosity and product is stable when standing gelatinization time 0.5h All reach relatively good state in property.Here 55 DEG C of temperature, 1h is stood, it is contemplated that production efficiency optimizes, and excludes.
When different hydrolysis temperatures and time difference, its effect is different, is analyzed as follows table 5:
Table 5
Enzyme is medium temperature enzyme, and temperature is too high or too low influence hydrolysis result, and the shallow lake of cereals can not be made within the process time Powder, cellulose degradation reach the effect of technological requirement.
When Titrable acid angle value difference, its effect is different, is analyzed as follows table 6:
Table 6
Fermentation time different product flavor, acidity are different, and product acidity must is fulfilled for Standard >=70T ° first.
Experiment two
Shelf life of products 2 months in the present invention, after depositing some times, the stability such as table 7 below of product:
The product stability of table 7 tests (37 DEG C of accelerated test test product shelf-lifves)
37 DEG C of insulations
1 day Normally
5 days Normally
10 days A small amount of bleed
20 days A small amount of bleed, bottom are precipitated a little
30 days A small amount of bleed, bottom are precipitated a little
40 days A small amount of bleed, bottom are precipitated a little
50 days Precipitation is arranged at a small amount of bleed, bottom
60 days Bleed is more, and viscosity reduces, and precipitation is arranged at bottom
70 days Surface bleed is more, and viscosity reduces, and precipitation is arranged at bottom
Experiment three
Content in other contents such as embodiment 1, if control group, i.e., when emulsion stabilizer is 0.5% or 2%, product Effect is as follows:
When emulsion stabilizer is 0.5%:Product bleed after two-stage sterilization, viscosity is low,
When emulsion stabilizer is 2%:Product powder sense is strong, poor taste.
When consistent dose is too low or consistent dose is high, product effect is all bad, does not meet product quality requirement.
Experiment four
Content in other contents such as embodiment 1, if control group, i.e., without the starch phosphate of hydroxypropyl two in emulsion stabilizer Ester, the products taste produced is thin, and viscosity drops to 300-500cp, and bleed is serious after placing 2-3 days, does not meet product matter Amount requires.
Experiment five
Content in other contents such as embodiment 1, if control group, i.e., sugar-free enzyme in enzyme preparation, sugar-free enzyme effect, its Products taste is coarse, storage life 10 days or so, local viscosity occurs and uprises, and product layering, elutriation, not meeting product quality will Ask.Taste tests:The people of test number 400
Test result is:Having very much appetite sense and comparing has appetite sense accounting 97%;Fermented yoghourt aromatic flavour ground accounting 98%;Sweet tea acid ratio harmony accounts for 99%, and cereal flavor mellow 96%, delicate mouthfeel accounts for 98%;Overall excellent and good accounting 97%.
The nutrition of this product cereal and color and luster derive from natural food materials, and non-pigment addition, what is influenceed in process of production is main Factor is heating intensity, so in process, keeps relatively low heating strength as far as possible, and semi-finished product freeze preservation in time, Color and luster and nutrition can effectively be preserved.During the storage of finished product shelf, the principal element that influences color and luster and nutrition be illumination and Oxidation, can effectively be preserved using the closed packaging material every light.
The preferred embodiments of the present invention are the foregoing is only, are merely illustrative for the purpose of the present invention, and it is nonrestrictive; Those of ordinary skill in the art understand that can carry out many to it in the spirit and scope that the claims in the present invention are limited changes Become, modification, or even equivalent change, but fall within protection scope of the present invention.

Claims (10)

  1. A kind of 1. compound purple fermented grain dairy products containing dietary fiber, it is characterised in that:The purple cereal include purple sweet potato powder, Purple corn meal, purple rice powder, formula include the component of following weight/mass percentage composition:Purple sweet potato powder 1-2%, purple corn meal 0.2-0.5%, Purple rice powder 0.4-0.7%, soybean protein 0.2-0.5%, liquid milk 80-90%, white granulated sugar 6-8%, emulsion stabilizer 1-1.5%, Ethylmaltol 0.05-0.08%, essence 0.04-0.07%, strain 0.009-0.012%, polydextrose 1% and enzyme preparation 0.05-0.09%, remaining content are water.
  2. A kind of 2. compound purple fermented grain dairy products containing dietary fiber according to claim 1, it is characterised in that:Formula Include the component of following weight/mass percentage composition:It is purple sweet potato powder 1.2-1.6%, purple corn meal 0.3-0.4%, purple rice powder 0.5-0.6%, big Legumin 0.3-0.4%, liquid milk 85-88%, white granulated sugar 7-8%, emulsion stabilizer 1.2-1.3%, ethylmaltol 0.06- 0.07%th, essence 0.05-0.06%, strain 0.009%, polydextrose 1%, enzyme preparation 0.06-0.08%.
  3. A kind of 3. compound purple fermented grain dairy products containing dietary fiber according to claim 2, it is characterised in that:Formula Include the component of following weight/mass percentage composition:Purple sweet potato powder 1.2%, purple corn meal 0.3%, purple rice powder 0.5%, soybean protein 0.4%, liquid Body milk 88%, white granulated sugar 7.8%, emulsion stabilizer 1.2%, ethylmaltol 0.06%, essence 0.06%, strain 0.009%, poly- Portugal Grape sugar 1%, enzyme preparation 0.06%.
  4. 4. a kind of purple fermented grain dairy products containing dietary fiber and probiotics according to any one of claim 1-3, It is characterized in that:The strain is streptococcus thermophilus, lactobacillus delbruockii subspecies bulgaricus, lactobacillus acidophilus and cheese breast bar Bacterium, wherein ratio are 3:2:0.5:0.5;The enzyme preparation be cellulase, hemicellulase, zytase and alpha-amylase and Carbohydrase, its ratio are 2:2:1.5:8:1.
  5. 5. a kind of compound purple fermented grain dairy products containing dietary fiber according to any one of claim 1-3, it is special Sign is:Calculated with 1 kilogram of fermented milk products, the emulsion stabilizer includes the component of following quality:Emulsion stabilizer include with The component of lower quality:Emulsifing thickener 1.5-2.2g, hydroxypropyl PASELLI EASYGEL 6.5-10.2g, agar 0.8-1g, double second Acyl tartaric acid list double glyceride 0.1g, single, diglycerine fatty acid ester 0.3-0.5g and pectin 0.8-1g.
  6. A kind of 6. compound purple fermented grain dairy products containing dietary fiber according to claim 5, it is characterised in that:It is described Emulsion stabilizer includes the component of following quality:Emulsifing thickener 2g, hydroxypropyl PASELLI EASYGEL 8g, agar 0.8 g are double Acetyltartaric acid single g of double glyceride 0.1, single, the g of diglycerine fatty acid ester 0.3 and pectin 0.8g.
  7. 7. a kind of preparation method of compound purple fermented grain dairy products containing dietary fiber according to claim 1, including Following steps:
    (1)Raw material prepares:Satisfactory milk is selected, by purple grain grinding, by some in white granulated sugar, emulsion stabilizer It is standby that mixed powder is mixed into polydextrose;
    (2)Make purple cereal slurry:Milk is added in high-speed stirred cylinder, is heated to 70-80 DEG C, is added while stirring after crushing Purple cereal, enzyme preparation enzymolysis is stirred, mills, stands and added successively, then material is freezed to 4 through 18-22MP homogenizations DEG C terminate enzymolysis, obtain cereal slurry;
    (3)Molten sugar mixing:Milk is added in high-speed stirred cylinder, 70-90 DEG C is heated to, mixed powder is added while stirring, after dissolving Remaining white sugar, dissolving, filtering are added, filtered fluid mixes with remaining milk and cereal slurry, adds ethylmaltol and soybean egg After white and stir, obtain mixed liquor A;
    (4)Homogeneous, sterilizing:To mixed liquor A through 20-22MPa homogenizations, sterilizing, semi-finished product B is obtained;90-98 DEG C of sterilising temp, Sterilization time 4-6min, 41 DEG C -43 DEG C of product outlet temperature;
    (5)Inoculation:Aseptic inoculation, the semi-finished product C after must being inoculated with are carried out to semi-finished product B;
    (6)Fermentation, demulsification and refrigeration:Semi-finished product C is fermented, 41~43 DEG C of fermentation temperature, ferment 5-8h, when dairy products acidity At >=70 T °, stirring demulsification, then freeze to 20-25 DEG C of temperature, terminate fermentation;
    (7)Filling, after fermentation:Product into 8-11 DEG C of low-temperature cold store, places 22-25 hours, completes after fermentation after filling, 1-3 DEG C of freezer is transferred to, cools as 2-4 DEG C, produces.
  8. 8. a kind of preparation method of compound purple fermented grain dairy products containing dietary fiber according to claim 7, it is special Sign is:Grain diameter≤0.2mm of the purple cereal.
  9. 9. a kind of preparation method of compound purple fermented grain dairy products containing dietary fiber according to claim 7, it is special Sign is:The step(2)Middle mixing time 13-18min, grinding time 8-12min, time of repose 25-35min, stand temperature 60-70 DEG C of degree, 55-65 DEG C of hydrolysis temperature, enzymolysis time 0.8-1.5h;Enzymolysis process intermittent stirs in prioritization scheme, i.e., Mixer stirring 1.5-2.5min is opened per stationary intervals 8-12min.
  10. 10. a kind of preparation method of compound purple fermented grain dairy products containing dietary fiber according to claim 7, it is special Sign is:The step(5)In in advance 25-35min by strain take out thaw, dissolving and stand, stand activation 25-35min after Inoculation.
CN201710913995.4A 2017-09-30 2017-09-30 A kind of compound purple fermented grain dairy products and preparation method containing dietary fiber Pending CN107691644A (en)

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Application publication date: 20180216