CN106804731A - A kind of preparation method of the low-sugar low-fat milk piece rich in diglyceride - Google Patents
A kind of preparation method of the low-sugar low-fat milk piece rich in diglyceride Download PDFInfo
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- CN106804731A CN106804731A CN201710029143.9A CN201710029143A CN106804731A CN 106804731 A CN106804731 A CN 106804731A CN 201710029143 A CN201710029143 A CN 201710029143A CN 106804731 A CN106804731 A CN 106804731A
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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
- A23C9/18—Milk in dried and compressed or semi-solid form
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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
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
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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
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/1528—Fatty acids; Mono- or diglycerides; Petroleum jelly; Paraffine; Phospholipids; Derivatives thereof
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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
- A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
- A23C9/156—Flavoured milk preparations ; Addition of fruits, vegetables, sugars, sugar alcohols or sweeteners
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Abstract
The present invention relates to a kind of preparation method of the low-sugar low-fat milk piece rich in diglyceride.The operating procedure of the method is as follows：1）Butterfat is made butterfat diglyceride using enzymatic glycerol rhizolomy method；2）Lactalbumin wiring solution-forming is mixed with butterfat diglyceride and sucrose fatty ester, diglyceride capsule of nano is obtained through dispersion, high-pressure homogeneous, freeze-drying etc. at a high speed；2）Diglyceride capsule of nano is mixed with skimmed milk power and xylitol, is soaked, dried, beat stiffened fatty acid magnesium, sodium carboxymethylcellulose after powder, the low-sugar low-fat milk piece rich in diglyceride is obtained after compressing tablet.Low-sugar low-fat milk piece sugariness rich in diglyceride is moderate, and hardness is moderate with chewiness, and hardness is 3770~4401 g, and chewiness is 1516~2424 g, and the content of diglyceride is 23~40 g/kg in milk piece.Material therefor of the present invention is food-grade, with preferable edible safety；The present invention is improved and increased healthcare function, makes the consumer group more extensive, diabetic's also edible.
Description
Technical field
The invention belongs to the fabricating technology field of functional food, and in particular to a kind of preparation side of Novel milk piece
Method.
Background technology
Milk piece is, with milk powder as primary raw material, to add a kind of piece shape dairy products that compressing tablet after other tableting aids is made.Milk
Piece contains rich in protein, fat, mineral matter etc., relatively long with leisure, nutrition, carrying and instant, shelf-life
The features such as, become a kind of dairy products liked by extensive consumer, especially teenager Consumer groups.But China's mesh
The preceding national standard also ununified for milk flake products, production technology is more single, is formulated also without fixed pattern, and its is hard
The ratio of the nutrition accessories such as degree, viscosity, mouthfeel, sweet taste is also depending on the hobby of consumer or the technique of enterprise need.
As people are to nutrition, the progressively attention of healthcare function, increasing featured function product gradually enters into people
Eyes.In the manufacturing process of milk piece, in order to have additional nutrients and local flavor, some distinctive auxiliary materials are added to meet people
To the demand of food difference in functionality characteristic.At present, the domestic research on milk piece is concentrated mainly on fruit-vegetable milk piece（In milk piece
Addition fruit and vegetable powder）, low sugar milk piece（The edible xylitol of diabetes patient, protein sugar etc. are added in milk piece）, it is prebiotic
Bacterium milk piece（Probiotics powder is added in milk piece）, these milk pieces can increase the local flavor of milk piece, increase the consumer group of milk piece,
Improve the health-care efficacy of milk piece.Nowadays, food links together with various functions such as hypoglycemic, lipid-loweringing, hypotensive etc., nutrition
The emphasis of research has shifted towards the relation in specific food composition and health, so we have studied rich in diglyceride
The preparation technology of low-sugar low-fat milk piece.
At present, the product that will be combined together with lipid-reducing function grease and milk piece is not found temporarily.
The content of the invention
The present invention is intended to provide a kind of preparation method of the low-sugar low-fat milk piece rich in diglyceride.
Specific preparation manipulation step is as follows：
A kind of low-sugar low-fat milk piece rich in diglyceride is by diglyceride capsule of nano powder, skimmed milk power, xylitol, hard
Fatty acid magnesium, sodium carboxymethylcellulose are made milk piece；
Hardness is 3770~4401 g in index in the texture index of the low-sugar low-fat milk piece, and chewiness is 1516~2424
G, good in taste, the content of butterfat diglyceride is 23~40 g/kg.
The operating procedure for preparing the low-sugar low-fat milk piece rich in diglyceride is as follows：
（1）The preparation of butterfat diglyceride
Butterfat diglyceride is prepared using Novozyme435 enzymatic glycerol rhizolomy methods, by 20 g butterfat, 2 g glycerine and 1.32 g
Novozyme435 enzymes mix, shaking table reaction, and centrifugation takes upper strata grease, and boiling water scalds inactivates enzyme, obtains butterfat glycerine two
Ester；
（2）The preparation of diglyceride capsule of nano
Will be during 30~40 g PURE WHEYs add 200 mL distilled water, stirring is put into water-bath in warm water to being completely dissolved, and makes
Obtain lactoalbumin soln；
6~10 g butterfat diglyceride, 50 DEG C of water-baths are melted, is mixed with 1.4~1.6 g emulsifying agent sucrose fatty esters,
50 DEG C of stirred in water bath obtain mixture up to being completely dissolved；
Lactoalbumin soln is poured slowly into mixture, bevelling stirring in side obtains mixed emulsion；Mixed emulsion is divided at a high speed
Dissipate, homogeneous is carried out in extra-high-pressure nano homogenizer, obtain butterfat diglyceride nanoemulsions；By butterfat diglyceride nano-emulsion
Liquid is placed in freeze drier and freezes, and obtains diglyceride capsule of nano powder；
（3）The preparation of the low-sugar low-fat milk piece rich in diglyceride
Diglyceride capsule of nano powder, skimmed milk power, xylitol are beaten into powder respectively and crosses 100 mesh sieves；
16~25 g diglyceride capsule of nano powder, 75~84 g skimmed milk powers and 10~20 g xylitols are mixed equal
It is even, obtain mixed-powder；
Mixed-powder is soaked as wetting agent with the edible alcohol of concentration 50% and is mixed, be made softwood；By softwood temperature 50~
Under the conditions of 70 DEG C, it is 3%~5% to dry to moisture；Crushed 60 mesh sieves；
Mixed-powder, 0.5~2.5 g magnesium stearates and 0.5~2.5 g sodium carboxymethylcelluloses that 100g is pulverized and sieved are mixed
Close, obtain milk piece powder；Milk piece powder is dried, compressing tablet, obtain the low-sugar low-fat milk piece rich in diglyceride.
The technical scheme for further limiting is as follows：
Step（1）In, shaking table reacts 16 h, the r/min of rotating speed 12000 centrifugations point under the conditions of 55 DEG C of temperature, the r/min of rotating speed 200
From 15 min, upper strata grease is taken, boiling water scalds 5 min inactivates enzyme.
Step（2）Described in sucrose fatty ester be sucrose fatty ester SE-11.
Step（2）In, the temperature of warm water water-bath is 50 DEG C；The scattered condition of high speed is the r/min of rotating speed 2000, dispersion 3
min；The condition of homogeneous is the MPa of pressure 80~100, is circulated 4~6 times；The time of freeze-drying is 24 h.
Step（2）In, drying temperature is 50~70 DEG C, and drying time is 4~6 h.
Advantageous Effects of the invention embody in the following areas：
1. only using butterfat diglyceride, PURE WHEY, sucrose fatty ester, xylitol, tristearin in present invention process method
Sour magnesium, sodium carboxymethylcellulose prepare the low-sugar low-fat milk piece rich in diglyceride, are food-grade using material so that be rich in
The low-sugar low-fat milk flake products of diglyceride have preferable edible safety, while the functional characteristic of enhanced milk tablet.Glycerine two
Ester is that a kind of only two higher fatty acids connect grease on the glycerol backbone, is also in human body in Triglyceride Metabolism in Patients process
Between product.Content in natural oil is very low, and generally less than 5%.Diglyceride fatty acid-based is so that it has preferably parent
Oil nature, and the hydroxyl on glycerol backbone so that it has more preferable hydrophily.Diglyceride has reduction blood fat, alleviates sugar
The health efficacies such as urine disease, reduction interior fat, control body weight and fat-reducing, in the U.S., Japan is widely used as food material should
With, but application at home is less.
2. the low-sugar low-fat milk piece rich in diglyceride that prepared by the present invention, improves the texture characteristic and mouthfeel of milk piece；
The hardness and chewiness for being not added with the milk piece of diglyceride capsule of nano powder are larger, and hardness is 6011.235 g, is chewed
Property be 2848.734 g；Compared with the milk piece for being not added with diglyceride capsule of nano, the low-sugar low-fat milk rich in diglyceride
Piece hardness and chewiness are moderate, and hardness is 3770~4401 g, and chewiness is 1516~2424 g, improves pure milk piece mouth really up to the mark
Sense, the content of butterfat diglyceride can reach 23~40 g/kg in milk piece, enrich the nutritional ingredient of milk piece, the guarantor of enhanced milk tablet
Health-care function.
3. the low-sugar low-fat milk piece rich in diglyceride that prepared by the present invention, the diglyceride for being added has reduces blood
Fat, alleviate the function such as diabetes, and it is xylitol to prepare the sugar added during milk piece, be diabetes patient it is edible into
Point, while milk piece flavor taste is ensured, the population-wide of consumption is expanded, open up the consumption market of milk piece.
Specific embodiment
With reference to embodiment, the present invention is further described.
Following examples material therefor is described as follows：
Butterfat, An Jia companies of New Zealand；Immobilized lipase（Novozyme435 enzymes）（Novozyme435 enzymes are by one kind by base
The modified aspergillus oryzae of cause (Aspergillus oryzae) microorganism carries out submerged fermentation and absorption is on macroporous acrylic resin
And be made.The synthesis of esters and aminated compounds is particularly well-suited to, with broad substrate specificity.）, Novi of Denmark letter public affairs
Department；Skimmed milk power, Inner Mongolia Yili Industry Group Co., Ltd；Xylitol, Nanjing honeydew garden sugar industry Co., Ltd；Whey
Albumen powder, Tang Ruisi food materials company of the U.S.；Sucrose fatty ester SE-11, sodium carboxymethylcellulose, the will commerce and trade of Henan thousand have
Limit company；Magnesium stearate, Nantong thyrite reaches new material Co., Ltd.All material is food-grade.
Embodiment 1
The concrete operation step for preparing the low-sugar low-fat milk piece rich in diglyceride is as follows：
（1）The preparation of butterfat diglyceride
Butterfat diglyceride is prepared using Novozyme435 enzymatic glycerol rhizolomy methods.By 20 g butterfat, 2 g glycerine and 1.32 g
Novozyme435 enzymes are placed in conical flask, and 55 DEG C of shaking table, 200 r/min react 16 h, and 12000 r/min are centrifuged 15 min,
Taking upper strata boiling hot 5 min of grease boiling water inactivates enzyme, obtains final product butterfat diglyceride.
（2）The preparation of diglyceride capsule of nano
Will be during 30 g PURE WHEYs add 200 mL distilled water, stirring is put into water-bath in 50 DEG C of warm water to being completely dissolved,
Lactoalbumin soln is obtained.With 1.5 g emulsifying agent sucrose-fatties after 7.5 g butterfat diglyceride, 50 DEG C of water-baths are melted again
Ester mixes, in 50 DEG C of stirred in water bath until being completely dissolved.Then by lactoalbumin soln be poured slowly into butterfat diglyceride and
In the mixture of sucrose fatty ester, bevelling stirring in side obtains mixed emulsion.This mixed emulsion is divided at a high speed with 2000 r/min
3 min are dissipated, homogeneous is then carried out in extra-high-pressure nano homogenizer, processing condition is the MPa of pressure 90, is circulated 6 times, obtains sweet
Oily diester nanoemulsions.Diglyceride nanoemulsions are finally placed in the h of freeze-drying 24 in freeze drier, glycerine two is obtained
Ester capsule of nano.
（3）The preparation of the low-sugar low-fat milk piece rich in diglyceride
Diglyceride capsule of nano, skimmed milk power, xylitol are beaten into powder respectively, and crosses 100 mesh sieves.By gross mass 100g, take
20 g diglycerides capsule of nano and 80 g skimmed milk powers（The two mass ratio 1:4）, 15 g xylitols are added, it is well mixed.
Mixed-powder is soaked as wetting agent with the edible alcohol of concentration 50% and is mixed, be made softwood.The amount that alcohol is added is with softwood energy
Pinch agglomerating, but gently press and can be advisable by dissipating.Then softwood is positioned in 60 DEG C of baking ovens, dries 5 h, be to moisture
3% to 5% or so.Powder is beaten in taking-up, crosses 60 mesh sieves, takes the mixed-powder after 100g pulverizes and sieves, and adds 1.5 g magnesium stearates, 2.5
The sodium carboxymethylcellulose of g, obtains milk piece powder.Milk piece powder is put into tabletting machine, obtains low rich in diglyceride
Sugared low fat milk piece, irradiates 30 min sterilized under uviol lamp.Obtained milk piece sugariness is moderate, and hardness is moderate with chewiness, hardness
It is 4077.241 g, chewiness is 1962.703 g or so, good in taste, the content of butterfat diglyceride is 31 g/ in milk piece
kg。
（4）It is aluminum-plastic packaged.
Embodiment 2
The concrete operation step for preparing the low-sugar low-fat milk piece rich in diglyceride is as follows：
（1）The preparation of butterfat diglyceride
Butterfat diglyceride is prepared using Novozyme435 enzymatic glycerol rhizolomy methods.By 20 g butterfat, 2 g glycerine and 1.32 g
Novozyme435 enzymes are placed in conical flask, and 55 DEG C of shaking table, 200 r/min react 16 h, and 12000 r/min are centrifuged 15 min,
Taking upper strata boiling hot 5 min of grease boiling water inactivates enzyme, obtains final product butterfat diglyceride.
（2）The preparation of diglyceride capsule of nano
Will be during 30 g PURE WHEYs add 200 mL distilled water, stirring is put into water-bath in 50 DEG C of warm water to being completely dissolved,
Lactoalbumin soln is obtained.With 1.6 g emulsifying agent sucrose fatty esters after 6 g butterfat diglyceride, 50 DEG C of water-baths are melted again
Mixing, in 50 DEG C of stirred in water bath until being completely dissolved.Then lactoalbumin soln is poured slowly into butterfat diglyceride and sugarcane
In the mixture of sugar fatty acid ester, bevelling stirring in side obtains mixed emulsion.This mixed emulsion is disperseed at a high speed with 2000 r/min
3 min, then carry out homogeneous in extra-high-pressure nano homogenizer, and processing condition is the MPa of pressure 100, is circulated 5 times, obtains glycerine
Diester nanoemulsions.Diglyceride nanoemulsions are finally placed in the h of freeze-drying 24 in freeze drier, diglyceride is obtained
Capsule of nano.
（3）The preparation of the low-sugar low-fat milk piece rich in diglyceride
Diglyceride capsule of nano, skimmed milk power, xylitol are beaten into powder respectively, and crosses 100 mesh sieves.By gross mass 100g, take
16.7 g diglycerides capsule of nano and 83.3 g skimmed milk powers（The two mass ratio 1:5）, 10 g xylitols are added, mixing is equal
It is even.Mixed-powder is soaked as wetting agent with the edible alcohol of concentration 50% and is mixed, be made softwood.The amount that alcohol is added is with soft
Material can pinch agglomerating, but gently press and can be advisable by dissipating.Then softwood is positioned in 50 DEG C of baking ovens, dries 6 h, contained to moisture
Measure is 3% to 5% or so.Powder is beaten in taking-up, crosses 60 mesh sieves, takes the mixed-powder after 100g pulverizes and sieves, and adds 1 g magnesium stearates, 1
G sodium carboxymethylcelluloses, obtain milk piece powder.Milk piece powder is put into tabletting machine, the low sugar rich in diglyceride is obtained
Low fat milk piece, irradiates 30 min sterilized under uviol lamp.Obtained milk piece sugariness is smaller, and hardness is bigger than normal with chewiness, and hardness is
4177.716 g, chewiness is 2064.394 g or so, and mouthfeel is slightly worse, and the content of butterfat diglyceride is 23 g/kg in milk piece.
（4）It is aluminum-plastic packaged.
Embodiment 3
The concrete operation step for preparing the low-sugar low-fat milk piece rich in diglyceride is as follows：
（1）The preparation of butterfat diglyceride
Butterfat diglyceride is prepared using Novozyme435 enzymatic glycerol rhizolomy methods.By 20 g butterfat, 2 g glycerine and 1.32 g
Novozyme435 enzymes are placed in conical flask, and 55 DEG C of shaking table, 200 r/min react 16 h, and 12000 r/min are centrifuged 15 min,
Taking upper strata boiling hot 5 min of grease boiling water inactivates enzyme, obtains final product butterfat diglyceride.
（2）The preparation of diglyceride capsule of nano
Will be during 30 g PURE WHEYs add 200 mL distilled water, stirring is put into water-bath in 50 DEG C of warm water to being completely dissolved,
Lactoalbumin soln is obtained.With 1.4 g emulsifying agent sucrose-fatties after 7.5 g butterfat diglyceride, 50 DEG C of water-baths are melted again
Ester mixes, in 50 DEG C of stirred in water bath until being completely dissolved.Then by lactoalbumin soln be poured slowly into butterfat diglyceride and
In the mixture of sucrose fatty ester, bevelling stirring in side obtains mixed emulsion.This mixed emulsion is divided at a high speed with 2000 r/min
3 min are dissipated, homogeneous is then carried out in extra-high-pressure nano homogenizer, processing condition is the MPa of pressure 90, is circulated 6 times, obtains sweet
Oily diester nanoemulsions.Diglyceride nanoemulsions are finally placed in the h of freeze-drying 24 in freeze drier, glycerine two is obtained
Ester capsule of nano.
（3）The preparation of the low-sugar low-fat milk piece rich in diglyceride
Diglyceride capsule of nano, skimmed milk power, xylitol are beaten into powder respectively, and crosses 100 mesh sieves.By gross mass 100g, take
20 g diglycerides capsule of nano and 80 g skimmed milk powers（The two mass ratio 1:4）, 15 g xylitols are added, it is well mixed.
Mixed-powder is soaked as wetting agent with the edible alcohol that concentration is 50% and is mixed, be made softwood.The amount that alcohol is added is with softwood
Can pinch agglomerating, but gently press and can be advisable by dissipating.Then softwood is positioned in 70 DEG C of baking ovens, 6 h is dried, to moisture
It is 3% to 5% or so.Powder is beaten in taking-up, crosses 60 mesh sieves, takes the mixed-powder after 100g pulverizes and sieves, the magnesium stearate of 1 g of addition,
The sodium carboxymethylcellulose of 1.5 g, obtains milk piece powder.Milk piece powder is put into tabletting machine, is obtained rich in diglyceride
Low-sugar low-fat milk piece, 30 min are irradiated under uviol lamp sterilized.Obtained milk piece sugariness is moderate, because drying temperature is higher,
Drying time is more long to cause hardness larger with chewiness, and hardness is 4400.141 g, and chewiness is 2423.548 g or so, mouthfeel
Partially hard, the content of butterfat diglyceride is 32 g/kg in milk piece.
（4）It is aluminum-plastic packaged.
Embodiment 4
The concrete operation step for preparing the low-sugar low-fat milk piece rich in diglyceride is as follows：
（1）The preparation of butterfat diglyceride
Butterfat diglyceride is prepared using Novozyme435 enzymatic glycerol rhizolomy methods.By 20 g butterfat, 2 g glycerine and 1.32 g
Novozyme435 enzymes are placed in conical flask, and 55 DEG C of shaking table, 200 r/min react 16 h, and 12000 r/min are centrifuged 15 min,
Taking upper strata boiling hot 5 min of grease boiling water inactivates enzyme, obtains final product butterfat diglyceride.
（2）The preparation of diglyceride capsule of nano
Will be during 40 g PURE WHEYs add 200 mL distilled water, stirring is put into water-bath in 50 DEG C of warm water to being completely dissolved,
Lactoalbumin soln is obtained.With 1.6 g emulsifying agent sucrose fatty esters after 10 g butterfat diglyceride, 50 DEG C of water-baths are melted again
Mixing, in 50 DEG C of stirred in water bath until being completely dissolved.Then lactoalbumin soln is poured slowly into butterfat diglyceride and sugarcane
In the mixture of sugar fatty acid ester, bevelling stirring in side obtains mixed emulsion.This mixed emulsion is disperseed at a high speed with 2000 r/min
3 min, then carry out homogeneous in extra-high-pressure nano homogenizer, and processing condition is the MPa of pressure 100, is circulated 5 times, obtains glycerine
Diester nanoemulsions.Diglyceride nanoemulsions are finally placed in the h of freeze-drying 24 in freeze drier, diglyceride is obtained
Capsule of nano.
（3）The preparation of the low-sugar low-fat milk piece rich in diglyceride
Diglyceride capsule of nano, skimmed milk power, xylitol are beaten into powder respectively, and crosses 100 mesh sieves.By gross mass 100g, take
25 g diglycerides capsule of nano and 75 g skimmed milk powers（The two mass ratio 1:3）, 15 g xylitols are added, it is well mixed.
Mixed-powder is soaked as wetting agent with the edible alcohol that concentration is 50% and is mixed, be made softwood.The amount that alcohol is added is with softwood
Can pinch agglomerating, but gently press and can be advisable by dissipating.Then softwood is positioned in 50 DEG C of baking ovens, 5 h is dried, to moisture
It is 3% to 5% or so.Powder is beaten in taking-up, crosses 60 mesh sieves, takes the mixed-powder after 100g pulverizes and sieves, 0.5 g magnesium stearates of addition,
0.5 g sodium carboxymethylcelluloses, obtain milk piece powder.Milk piece powder is put into tabletting machine, is obtained rich in diglyceride
Low-sugar low-fat milk piece, irradiates 30 min sterilized under uviol lamp.Obtained milk piece sugariness is moderate, and hardness is less than normal with chewiness, firmly
It is 3864.394 g to spend, and chewiness is 1653.376 g or so, and because lubricant and adhesive addition are less, milk piece is fugitive, mouth
Sense deviation, the content of butterfat diglyceride is 40 g/kg in milk piece.
（4）It is aluminum-plastic packaged.
Embodiment 5
The concrete operation step for preparing the low-sugar low-fat milk piece rich in diglyceride is as follows：
（1）The preparation of butterfat diglyceride
Butterfat diglyceride is prepared using Novozyme435 enzymatic glycerol rhizolomy methods.By 20 g butterfat, 2 g glycerine and 1.32 g
Novozyme435 enzymes are placed in conical flask, and 55 DEG C of shaking table, 200 r/min react 16 h, and 12000 r/min are centrifuged 15 min,
Taking upper strata boiling hot 5 min of grease boiling water inactivates enzyme, obtains final product butterfat diglyceride.
（2）The preparation of diglyceride capsule of nano
Will be during 30 g PURE WHEYs add 200 mL distilled water, stirring is put into water-bath in 50 DEG C of warm water to being completely dissolved,
Lactoalbumin soln is obtained.With 1.4 g emulsifying agent sucrose fatty esters after 10 g butterfat diglyceride, 50 DEG C of water-baths are melted again
Mixing, in 50 DEG C of stirred in water bath until being completely dissolved.Then lactoalbumin soln is poured slowly into butterfat diglyceride and sugarcane
In the mixture of sugar fatty acid ester, bevelling stirring in side obtains mixed emulsion.This mixed emulsion is disperseed at a high speed with 2000 r/min
3 min, then carry out homogeneous in extra-high-pressure nano homogenizer, and processing condition is the MPa of pressure 100, is circulated 4 times, obtains glycerine
Diester nanoemulsions.Diglyceride nanoemulsions are finally placed in the h of freeze-drying 24 in freeze drier, diglyceride is obtained
Capsule of nano.
（3）The preparation of the low-sugar low-fat milk piece rich in diglyceride
Diglyceride capsule of nano, skimmed milk power, xylitol are beaten into powder respectively, and crosses 100 mesh sieves.By gross mass 100g, take
20 g diglycerides capsule of nano and 80 g skimmed milk powers（The two mass ratio 1:4）, 20 g xylitols are added, it is well mixed.
Mixed-powder is soaked as wetting agent with the edible alcohol that concentration is 50% and is mixed, be made softwood.The amount that alcohol is added is with softwood
Can pinch agglomerating, but gently press and can be advisable by dissipating.Then softwood is then placed into 60 DEG C of baking ovens, 4 h is dried, to moisture
Content is 3% to 5% or so.Powder is beaten in taking-up, crosses 60 mesh sieves, takes the mixed-powder after 100g pulverizes and sieves, and adds 2.5 g stearic acid
Magnesium, 1.5 g sodium carboxymethylcelluloses, obtain milk piece powder.Milk piece powder is put into tabletting machine, is obtained rich in diglyceride
Low-sugar low-fat milk piece, 30 min are irradiated under uviol lamp sterilized.Obtained milk piece sugariness is slightly weighed, because drying temperature is relatively low,
The inclined short-range missile of drying time causes hardness less than normal with chewiness, and hardness is 3770.264 g, and chewiness is 1516.921 g or so, mouthfeel
Deviation, the content of butterfat diglyceride is 38 g/kg in milk piece.
（4）It is aluminum-plastic packaged.
Claims (6)
1. a kind of low-sugar low-fat milk piece rich in diglyceride, it is characterised in that：By diglyceride capsule of nano powder, degreasing
Milk powder, xylitol, magnesium stearate, sodium carboxymethylcellulose are made milk piece；
Hardness is 3770~4401 g in the texture index of the low-sugar low-fat milk piece, and chewiness is 1516~2424 g, mouthfeel
Preferably, the content of butterfat diglyceride is 23~40 g/kg.
2. a kind of method of the low-sugar low-fat milk piece rich in diglyceride described in claim 1 is prepared, it is characterised in that prepare behaviour
Make step as follows：
（1）The preparation of butterfat diglyceride
Butterfat diglyceride is prepared using Novozyme435 enzymatic glycerol rhizolomy methods, by 20 g butterfat, 2 g glycerine and 1.32 g
Novozyme435 enzymes mix, shaking table reaction, and centrifugation takes upper strata grease, and boiling water scalds inactivates enzyme, obtains butterfat glycerine two
Ester；
（2）The preparation of diglyceride capsule of nano
Will be during 30~40 g PURE WHEYs add 200 mL distilled water, stirring is put into water-bath in warm water to being completely dissolved, and makes
Obtain lactoalbumin soln；
6~10 g butterfat diglyceride, 50 DEG C of water-baths are melted, is mixed with 1.4~1.6 g emulsifying agent sucrose fatty esters,
50 DEG C of stirred in water bath obtain mixture up to being completely dissolved；
Lactoalbumin soln is poured slowly into mixture, bevelling stirring in side obtains mixed emulsion；Mixed emulsion is divided at a high speed
Dissipate, homogeneous is carried out in extra-high-pressure nano homogenizer, obtain butterfat diglyceride nanoemulsions；By butterfat diglyceride nano-emulsion
Liquid is placed in freeze drier and freezes, and obtains diglyceride capsule of nano powder；
（3）The preparation of the low-sugar low-fat milk piece rich in diglyceride
Diglyceride capsule of nano powder, skimmed milk power, xylitol are beaten into powder respectively and crosses 100 mesh sieves；
16~25 g diglyceride capsule of nano powder, 75~84 g skimmed milk powers and 10~20 g xylitols are mixed equal
It is even, obtain mixed-powder；
Mixed-powder is soaked as wetting agent with the edible alcohol of concentration 50% and is mixed, be made softwood；By softwood temperature 50~
Under the conditions of 70 DEG C, it is 3%~5% to dry to moisture；Crushed 60 mesh sieves；
Mixed-powder, 0.5~2.5 g magnesium stearates and 0.5~2.5 g sodium carboxymethylcelluloses that 100g is pulverized and sieved are mixed
Close, obtain milk piece powder；Milk piece powder is dried, compressing tablet, obtain the low-sugar low-fat milk piece rich in diglyceride.
3. a kind of method of the low-sugar low-fat milk piece rich in diglyceride is prepared according to claim 2, it is characterised in that：Step
Suddenly（1）In, shaking table reacts 16 h, the r/min centrifugations 15 of rotating speed 12000 under the conditions of 55 DEG C of temperature, the r/min of rotating speed 200
Min, takes upper strata grease, and boiling water scalds 5 min inactivates enzyme.
4. a kind of method of the low-sugar low-fat milk piece rich in diglyceride is prepared according to claim 2, it is characterised in that：Step
Suddenly（2）Described in sucrose fatty ester be sucrose fatty ester SE-11.
5. a kind of method of the low-sugar low-fat milk piece rich in diglyceride is prepared according to claim 2, it is characterised in that：Step
Suddenly（2）In, the temperature of warm water water-bath is 50 DEG C；The scattered condition of high speed is the r/min of rotating speed 2000, disperses 3 min；Homogeneous
Condition is the MPa of pressure 80~100, is circulated 4~6 times；The time of freeze-drying is 24 h.
6. a kind of method of the low-sugar low-fat milk piece rich in diglyceride is prepared according to claim 2, it is characterised in that：Step
Suddenly（3）In, drying temperature is 50~70 DEG C, and drying time is 4~6 h.
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| CN116042736A (en) * | 2023-02-24 | 2023-05-02 | 江南大学 | Enzymatic production process of diglyceride |
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