CN105558028A - Preparation method of health yoghourt - Google Patents
Preparation method of health yoghourt Download PDFInfo
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- CN105558028A CN105558028A CN201510941058.0A CN201510941058A CN105558028A CN 105558028 A CN105558028 A CN 105558028A CN 201510941058 A CN201510941058 A CN 201510941058A CN 105558028 A CN105558028 A CN 105558028A
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- 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
- A23C9/133—Fruit or vegetables
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Abstract
The invention discloses a preparation method of health yoghourt, which comprises the following steps: S1, mixing raw materials to obtain mixed raw material powder; S2, preheating and homogenizing fresh and raw milk containing a sweetening agent in sequence to form compound milk; S3, adding the mixed raw material powder into the compound milk and uniformly stirring to form compound milk mixed liquor; sequentially sterilizing, cooling, inoculating with lactic acid bacteria, fermenting, stirring, cooling and aging the compound milk mixed liquor to obtain the health yoghourt, wherein the mixed raw materials comprise red dates, walnut kernels and corn germs. Through adding corn germ protein extracted from the corn germs, the preparation method of the health yoghourt has the advantages that the emulsification and gelation functions are better, any stabilizing agent does not need to be added, and thus the cost is saved.
Description
Technical field
The present invention relates to Yoghourt preparation field, more particularly, the present invention relates to a kind of preparation method of health care yoghourt.
Background technology
Yoghourt is raw material with milk, after pasteurize, add beneficial bacterium (leavening) again in milk, after fermentation, then cools filling a kind of milk product.Yoghourt is except retaining whole nutrition of milk, the sweat of Yoghourt makes sugar, protein in milk have about 20% to be hydrolyzed into as little molecule (as galactolipin and lactic acid, little peptide chain and amino acid etc.), and in milk, fat content is generally 3% ~ 5%; Through fermentation after, the comparable raw material milk of aliphatic acid in Ruzhong increases by 2 times, these change make Yoghourt more easy to digest and absorb, the utilization rate of various nutrient is improved.Along with the development of society, people improve the attention degree of food health, and the various and Yoghourt with health care of local flavor is the development trend of current Yoghourt.
In order to improve the viscosity of Yoghourt to reach the agreeable to the taste mouthfeel of stick-slip, usually can add stabilizing agent in manufacturing process, i.e. thickener, improving the physical property of Yoghourt.Thickener also can as emulsifying agent, in some Special food, and also can as gel.Thickener kind is a lot, point natural and chemical synthesis two class.Natural thickener mainly extracts from the animal bone of the plant of marine alga, carbohydrate clayey, skin, as alginic acid (salt), starch, Arabic gum, guar gum, carragheen, pectin and agar etc.The thickener of chemical synthesis has CMC-Na, propylene glycol alginate etc.Adding of stabilizing agent, add the cost that Yoghourt manufactures.
Summary of the invention
For the weak point existed in above-mentioned technology, the invention provides a kind of preparation method of health care yoghourt, by adding the mixed material powder be made up of red date, walnut kernel and maize germ at fresh milk, while making Yoghourt have the health care of red date, walnut kernel and maize germ, the corn germ protein extracted by maize germ has good emulsification, gelatification, without the need to adding stabilizing agent again, save cost.
In order to realize according to these objects of the present invention and other advantage, the present invention is achieved through the following technical solutions:
The preparation method of health care yoghourt of the present invention, comprising:
S1, by mixed material, obtained mixed material powder;
S2, carries out preheating successively by the fresh milk adding sweetener and homogeneous process forms Composite Milk;
S3, adds mixed material powder in Composite Milk and stirs, and forms Composite Milk mixed liquor; Sterilization is carried out successively to described Composite Milk mixed liquor, cooling, lactobacillus inoculum, fermentation, stirring, cooling after-ripening obtain health care yoghourt;
Wherein, mixed material comprises red date, walnut kernel, maize germ.
Preferably, in step S1, the concrete steps being obtained mixed material powder by mixed material are comprised:
S11, in maize germ is pulverized, add extraction solvent, liquid material proportion is 1:4, and under 40 DEG C of water-baths, continuous lixiviate carried out suction filtration after 5 hours, repeats lixiviate, suction filtration 2 times, pulverizes after drying at 40 DEG C, crosses 100 mesh sieves, produces corn plumule powder;
S12, the corn plumule powder obtained by step S11 and distilled water are by weight 10:1 mix and blend, and the NaOH solution adjust pH adding 1mol/l is 8.5,45 DEG C of water-baths 50 minutes, under the rotating speed of 3000 revs/min centrifugal 10 minutes, after precipitation, the molten lixiviate of double alkali, liquid ratio is 4:1, water-bath 30 minutes; The HCl solution of 1mol/l is dripped in the supernatant of three lixiviates, pH value is 4.2, water-bath 30 minutes 50 DEG C time, under the rotating speed of 3000 revs/min centrifugal 10 minutes, protein precipitation distilled water washed, under the rotating speed of 3000 revs/min centrifugal 10 minutes, 60 DEG C of oven dry, abrasive dust, crosses 100 mesh sieves, obtains protein isolate in corn germ powder;
S13, be that the enuleation date of 4:1 and walnut kernel give that three grades of grinding mills are airtight fully mills by weight ratio, enter heating tank after milling and heat and be stirred to the ripe rear filtration of slurry, homogeneous, 45-50 DEG C of oven dry, abrasive dust, mistake 100 mesh sieves, obtain red date walnut meat powder;
S14, mixes the protein isolate in corn germ powder of step S12 and the red date walnut powder of step S13 according to weight ratio 2:1, obtained mixed material powder.
Preferably, the weight proportion of described mixed material, described fresh milk, described sweetener is 4-5:40-60:2-3.
Preferably, the weight proportion of described mixed material, described fresh milk, described sweetener is 5:56:3.
Preferably, in step S2, the fresh milk adding sweetener is warming up to 55-60 DEG C of insulation and within 30 minutes, carries out preheating, then homogeneous under 20-25MPa.
Preferably, step S3 specifically comprises: to described Composite Milk mixed liquor at 100-105 DEG C of sterilizing 10-12 minute; Composite Milk mixed liquor after sterilizing is cooled to 45 DEG C and uses lactobacillus inoculum; After 45 DEG C of bottom fermentation curdled milks, be cooled to room temperature, after-ripening 24 hours at 5 DEG C, obtained health care yoghourt.
Preferably, described sweetener is one of xylitol, protein sugar, sucrose or any several combination.
The present invention at least comprises following beneficial effect:
1) health care yoghourt by obtaining at the mixed material of fresh milk interpolation red date, walnut kernel, maize germ, there is tonifying Qi beauty treatment, be rich in fiber, Improving memory power, reduce enteron aisle to while the health care advantage of cholesterol absorption, the corn germ protein extracted by maize germ has good emulsification, gelatification, without the need to adding stabilizing agent again, save cost;
2) weight proportion of mixed material, fresh milk, sweetener is 4-5:40-60:2-3; The health care yoghourt that this proportioning is made, the corn germ protein in mixed material reaches to the emulsification of Yoghourt, gel effect the emulsification and gel effect of adding a certain amount of stabilizing agent, and comfortable taste.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Detailed description of the invention
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
embodiment 1
The invention provides a kind of preparation method of health care yoghourt, comprise the following steps:
S1, by mixed material, obtained mixed material powder;
S2, carries out preheating successively by the fresh milk adding sweetener and homogeneous process forms Composite Milk;
S3, adds mixed material powder in Composite Milk and stirs, and forms Composite Milk mixed liquor; Sterilization is carried out successively to described Composite Milk mixed liquor, cooling, lactobacillus inoculum, fermentation, stirring, cooling after-ripening obtain health care yoghourt;
Wherein, mixed material comprises red date, walnut kernel, maize germ.
The preparation method of a kind of health care yoghourt provided by the invention, by the health care yoghourt obtained at the mixed material of fresh milk interpolation red date, walnut kernel, maize germ, there is tonifying Qi beauty treatment, be rich in fiber, Improving memory power, reduce enteron aisle to while the health care advantage of cholesterol absorption, the corn germ protein extracted by maize germ has good emulsification, gelatification, without the need to adding stabilizing agent again, save cost, health-nutrition.The subsequent treatment process such as sterilization are carried out after mixed material powder being added in Composite Milk the formation Composite Milk mixed liquor that stirs, than the technique adding the Composite Milk after fermentation after the independent sterilization of mixed material powder again, be further conducive to mixed material powder to the emulsification of Composite Milk sweat, gelatification.
As a kind of preferred embodiment of the present invention, in step S1, the concrete steps being obtained mixed material powder by mixed material are comprised:
S11, in maize germ is pulverized, add extraction solvent, liquid material proportion is 1:4, and under 40 DEG C of water-baths, continuous lixiviate carried out suction filtration after 5 hours, repeats lixiviate, suction filtration 2 times, pulverizes after drying at 40 DEG C, crosses 100 mesh sieves, produces corn plumule powder;
S12, the corn plumule powder obtained by step S11 and distilled water are by weight 10:1 mix and blend, and the NaOH solution adjust pH adding 1mol/l is 8.5,45 DEG C of water-baths 50 minutes, under the rotating speed of 3000 revs/min centrifugal 10 minutes, after precipitation, the molten lixiviate of double alkali, liquid ratio is 4:1, water-bath 30 minutes; The HCl solution of 1mol/l is dripped in the supernatant of three lixiviates, pH value is 4.2, water-bath 30 minutes 50 DEG C time, under the rotating speed of 3000 revs/min centrifugal 10 minutes, protein precipitation distilled water washed, under the rotating speed of 3000 revs/min centrifugal 10 minutes, 60 DEG C of oven dry, abrasive dust, crosses 100 mesh sieves, obtains protein isolate in corn germ powder;
S13, be that the enuleation date of 4:1 and walnut kernel give that three grades of grinding mills are airtight fully mills by weight ratio, enter heating tank after milling and heat and be stirred to the ripe rear filtration of slurry, homogeneous, 45-50 DEG C of oven dry, abrasive dust, mistake 100 mesh sieves, obtain red date walnut meat powder;
S14, mixes the protein isolate in corn germ powder of step S12 and the red date walnut powder of step S13 according to weight ratio 2:1, obtained mixed material powder.
In present embodiment, corn plumule powder and distilled water mixed solution are 8.5 by the NaOH solution adjust pH of 1mol/l, have higher corn germ protein recovery rate; The HCl solution dripping 1mol/l in the supernatant of three lixiviates makes pH value reduce to 4.2, in order to coordinate the best pH value of follow-up Yoghourt fermentation.Corn plumule powder and red date walnut meat powder all by drying, abrasive dust and cross the technique of 100 mesh sieves and make, cross the obtained corn plumule powder of 100 mesh sieves and red date walnut meat powder fine and smooth and be soluble in liquid, the mixed material powder being conducive to follow-up corn plumule powder and red date walnut meat powder obtained mixes with fresh milk, and the health care yoghourt mouthfeel made is moderate, there is not obvious granular sensation.
As a kind of preferred embodiment of the present invention, the weight proportion of mixed material, fresh milk, sweetener is 4-5:40-60:2-3.By the health care yoghourt that the mixed material of this weight proportion, fresh milk, sweetener are made, emulsification, gel effect reach add a certain amount of stabilizing agent emulsification, gel effect, and comfortable taste.
As a kind of most preferred embodiment of the present invention, the weight proportion of mixed material, fresh milk, sweetener is 5:56:3, the health care yoghourt that the mixed material of this weight proportion, fresh milk, sweetener are made, without the need to adding stabilizing agent, emulsification, gel effect reach optimum efficiency, comfortable taste.
As a kind of most preferred embodiment of the present invention, in step S2, the fresh milk adding sweetener is warming up to 55-60 DEG C of insulation and within 30 minutes, carries out preheating, then homogeneous under 20-25MPa.The preheat temperature of present embodiment and time avoid starch gelatinization after in homogenizing process grain structure be destroyed, the homogeneous under 20-25MPa pressure, is conducive to maintaining the viscosity of Yoghourt and figure.
As a kind of most preferred embodiment of the present invention, step S3 specifically comprises: to Composite Milk mixed liquor at 100-105 DEG C of sterilizing 10-12 minute; Composite Milk mixed liquor after sterilizing is cooled to 45 DEG C and uses lactobacillus inoculum; After 45 DEG C of bottom fermentation curdled milks, be cooled to room temperature, after-ripening 24 hours at 5 DEG C, obtained health care yoghourt.
As a kind of preferred embodiment of the present invention, sweetener is one of xylitol, protein sugar, sucrose or any several combination.
As a kind of preferred embodiment of the present invention, lactic acid bacteria comprises lactobacillus bulgaricus and streptococcus thermophilus mixes.
comparative example 1
As different from Example 1, adopt common stabilizing agent, not containing protein isolate in corn germ powder in stabilizing agent.
comparative example 2
As different from Example 1, stabilizing agent is not adopted.
Embodiment 1 is as shown in table 1 with the supplemental characteristic of comparative example 1, comparative example 2:
The relevant parameter of the several embodiment of form 1, comparative example compares
Known by form 1, the preparation method of a kind of health care yoghourt provided by the invention, the corn germ protein extracted by maize germ has good emulsification, gelatification, without the need to adding stabilizing agent again, can save cost.
Although embodiment of the present invention are open as above, it is not restricted to listed in description and embodiment utilization.It can be applied to various applicable the field of the invention completely.Other amendment can be easily realized for those skilled in the art.Therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the example described.
Claims (7)
1. a preparation method for health care yoghourt, is characterized in that, comprising:
S1, by mixed material, obtained mixed material powder;
S2, carries out preheating successively by the fresh milk adding sweetener and homogeneous process forms Composite Milk;
S3, adds mixed material powder in Composite Milk and stirs, and forms Composite Milk mixed liquor; Sterilization is carried out successively to described Composite Milk mixed liquor, cooling, lactobacillus inoculum, fermentation, stirring, cooling after-ripening obtain health care yoghourt;
Wherein, mixed material comprises red date, walnut kernel, maize germ.
2. the preparation method of health care yoghourt as claimed in claim 1, it is characterized in that, in step S1, the concrete steps being obtained mixed material powder by mixed material are comprised:
S11, in maize germ is pulverized, add extraction solvent, liquid material proportion is 1:4, and under 40 DEG C of water-baths, continuous lixiviate carried out suction filtration after 5 hours, repeats lixiviate, suction filtration 2 times, pulverizes after drying at 40 DEG C, crosses 100 mesh sieves, produces corn plumule powder;
S12, the corn plumule powder obtained by step S11 and distilled water are by weight 10:1 mix and blend, and the NaOH solution adjust pH adding 1mol/l is 8.5,45 DEG C of water-baths 50 minutes, under the rotating speed of 3000 revs/min centrifugal 10 minutes, after precipitation, the molten lixiviate of double alkali, liquid ratio is 4:1, water-bath 30 minutes; The HCl solution of 1mol/l is dripped in the supernatant of three lixiviates, pH value is 4.2, water-bath 30 minutes 50 DEG C time, under the rotating speed of 3000 revs/min centrifugal 10 minutes, protein precipitation distilled water washed, under the rotating speed of 3000 revs/min centrifugal 10 minutes, 60 DEG C of oven dry, abrasive dust, crosses 100 mesh sieves, obtains protein isolate in corn germ powder;
S13, be that the enuleation date of 4:1 and walnut kernel give that three grades of grinding mills are airtight fully mills by weight ratio, enter heating tank after milling and heat and be stirred to the ripe rear filtration of slurry, homogeneous, 45-50 DEG C of oven dry, abrasive dust, mistake 100 mesh sieves, obtain red date walnut meat powder;
S14, mixes the protein isolate in corn germ powder of step S12 and the red date walnut powder of step S13 according to weight ratio 2:1, obtained mixed material powder.
3. the preparation method of health care yoghourt as claimed in claim 2, it is characterized in that, the weight proportion of described mixed material, described fresh milk, described sweetener is 4-5:40-60:2-3.
4. the preparation method of health care yoghourt as claimed in claim 3, it is characterized in that, the weight proportion of described mixed material, described fresh milk, described sweetener is 5:56:3.
5. the preparation method of health care yoghourt as claimed in claim 1, is characterized in that, in step S2, the fresh milk adding sweetener is warming up to 55-60 DEG C of insulation and within 30 minutes, carries out preheating, then homogeneous under 20-25MPa.
6. the preparation method of health care yoghourt as claimed in claim 1, it is characterized in that, step S3 specifically comprises: to described Composite Milk mixed liquor at 100-105 DEG C of sterilizing 10-12 minute; Composite Milk mixed liquor after sterilizing is cooled to 45 DEG C and uses lactobacillus inoculum; After 45 DEG C of bottom fermentation curdled milks, be cooled to room temperature, after-ripening 24 hours at 5 DEG C, obtained health care yoghourt.
7. the preparation method of health care yoghourt as claimed in claim 1, it is characterized in that, described sweetener is one of xylitol, protein sugar, sucrose or any several combination.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510941058.0A CN105558028A (en) | 2015-12-16 | 2015-12-16 | Preparation method of health yoghourt |
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| CN201510941058.0A CN105558028A (en) | 2015-12-16 | 2015-12-16 | Preparation method of health yoghourt |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102578230A (en) * | 2012-02-21 | 2012-07-18 | 常熟市方塔涂料化工有限公司 | Health-care yoghourt and preparation method thereof |
| CN102960445A (en) * | 2012-12-10 | 2013-03-13 | 大连创达技术交易市场有限公司 | Donkey-hide gelatin-red date yoghourt |
| CN103478250A (en) * | 2013-09-29 | 2014-01-01 | 江苏食品药品职业技术学院 | Healthcare yogurt and preparation method thereof |
| CN103719269A (en) * | 2013-12-16 | 2014-04-16 | 马鞍山市安康菌业有限公司 | Rose and black fungus yoghourt |
-
2015
- 2015-12-16 CN CN201510941058.0A patent/CN105558028A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102578230A (en) * | 2012-02-21 | 2012-07-18 | 常熟市方塔涂料化工有限公司 | Health-care yoghourt and preparation method thereof |
| CN102960445A (en) * | 2012-12-10 | 2013-03-13 | 大连创达技术交易市场有限公司 | Donkey-hide gelatin-red date yoghourt |
| CN103478250A (en) * | 2013-09-29 | 2014-01-01 | 江苏食品药品职业技术学院 | Healthcare yogurt and preparation method thereof |
| CN103719269A (en) * | 2013-12-16 | 2014-04-16 | 马鞍山市安康菌业有限公司 | Rose and black fungus yoghourt |
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Application publication date: 20160511 |
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