AU2020101887A4

AU2020101887A4 - Milk powder for young children and preparation method thereof

Info

Publication number: AU2020101887A4
Application number: AU2020101887A
Authority: AU
Inventors: Jie Yu
Original assignee: Little Umbrella Ltd
Current assignee: Little Umbrella Ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2020-09-24
Anticipated expiration: 2028-08-19

Abstract

The invention relates to a child milk powder and a preparation method thereof, prepared from the following parts by weight of raw materials: 61.4-63.7 parts of whole milk powder, 15.3-16.6 parts of butter milk powder lipid, 13.8-16.2 parts of dextrose anhydrous, and 2.1-2.9 parts of polyfructose , Milk calcium 1.1-1.5 parts, GOS 0.9-1.3 parts, DHA 0.3-0.5 parts, vitamin and mineral premix for young children 0.12-0.18 parts, sodium ascorbate 0.05-0.07 parts, iron pyrophosphate 0.03-0.04 parts , 0.02-0.03 servings of lactoferrin powder. The invention uses the nano DHA microcapsules to scientifically match these substances, and fully exerts the synergistic effect, which not only improves children's ability of memory but also protects their eyes, and be good to the spleen and stomach. With the combination of milk powder and other raw materials, it provides comprehensive balanced nutrition.

Description

TITLE

Milk powder for young children and preparation method thereof

TECHNICAL FIELD

The invention relates to a milk powder for young children and a preparation method

thereof, which belong to the technical field of dairy products processing.

BACKGROUND OF THE INVENTION

The age of three to fourteen is the best period for children's physical and

psychological development, and the most active period of growth. During this period, the

brain has been enhanced than before, sleep time is shortened, active time is increased,

various abilities are developing upward, and more importantly, personality is initially

formed. Therefore, sufficient energy and high-quality nutrition are needed to meet the

needs of rapid growth.

DHA is docosahexaenoic acid, and it is an omega-3 fatty acid necessary for eye

health, brain development, and supporting many aspects of health throughout the body.

For children, appropriate levels of DHA is critical for proper brain development and growth.

DHA is also important for eye health and function, as the retina of the eye contains a high

amount of DHA fatty acid.

DHA is found in high concentrations in human breast milk because the brain grows

fastest during infancy and DHA is needed to support the brain's growth and development.

For infants not receiving breast milk, researchers of companies add DHA to their products

because it is needed during this period of rapid growth and development. Parents may

also want to supplement with DHA drops specially formulated for infants.

Several researchers have observed that kids with ADHD have lower levels of

omega-3s, including DHA, in their cells and bloodstream. If ADHD might be due, even in

part, to DHA deficiency, then we could hope that increasing DHA intake might be helpful.

But there's also some evidence that these lower blood levels aren't due to lower intake but

due to some sort of problem with fatty acid metabolism-in which case, increasing intake

wouldn't do any good. In a few studies where they've given omega-3 supplements to kids

with ADHD, only got a little improvements.

DHA deficiency may be common among children with ADHD, according to a report

published in the American Journal of Clinical Nutrition in 2000. However, it's not known

whether DHA supplements can help treat ADHD in children.

For instance, a study in 2001 from the Journal of Pediatrics, researchers found that

four months of DHA supplementation failed to decrease symptoms in a group of children

with ADHD. The study involved 63 who are six to 12-year-old children, each of whom

received 345 milligrams (mg) of DHA or a placebo daily. An article published in the journal

Lipids in 2017 reviewed 16 randomized controlled trials. Thirteen studies reported

favorable benefits in ADHA symptoms including in hyperactivity, impulsivity, attention,

visual learning, word reading, and working/short term memory.

More studies are needed looking at the effectiveness of DHA in this area and it is

too soon to routinely recommend DHA supplements as an adjunctive therapy to possibly

reduce the amount of standard medication needed.

Brain Health

For example, a study in 2009, there are 90 healthy children whose ages are from 10 to 12 (published in Nutritional Neuroscience) found that eight weeks of DHA supplementation did not have a beneficial effect on brain function.

On the other hand, a study in 2008, there are 175 healthy four-year-old children

(published in Clinical Pediatrics) who were found that higher blood levels of DHA were

linked to higher scores on vocabulary tests.

When children don't get appropriate amounts of DHA many physical and mental

health problems can occur. Research studies have shown that infants consuming low

levels of DHA can have poor vision and brain development. There is also evidence that

children with lower DHA levels may have more difficulties with academic learning,

including reading and math, memory, and classroom behaviors. Reduced levels of DHA

are also linked to mental health issues such as depression, disruptive and aggressive

behavior, impulsivity and hyperactivity, poor focus, and anxiety.

Studies have shown that children with ADHD, autism, and other neurodevelopmental

disorders may have low levels of DHA that contribute to their symptoms. Increasing DHA

may help improve symptoms of these disorders, including learning impairments,

inattention, hyperactivity, aggression, and other behavior problems. Increasing Omega-3

fatty acid levels, including DHA, is a common and important nutritional recommendation

for children exhibiting symptoms of these disorders.

Dosing of DHA supplements can vary widely, and there is not yet a clear consensus about

the exact amount that is most beneficial for children or adults. However, a common

recommendation is that children age two and older take 500mg of DHA via fish oil supplements. Studies conducted on children with developmental, learning and mental health symptoms have shown that significantly higher doses may be helpful.

SUMMARY OF THE INVENTION

In view of the above technical problems in the prior art, the present invention provides

a milk powder for young children and its preparation method, specially designed and

produced for three to fourteen-year-old preschool children's nutritional supplement food,

which contains can promote brain development and improve nerve. The system-functional

nutrient DHA (docosahexaenoic acid), which contains the right amount of high-quality

protein and balanced vitamins/ trace elements, is an ideal food for the healthy growth of

preschool children.

The purpose of the present invention is achieved by the following technical solutions:

A milk powder for young children is prepared from the following parts by weight of raw

materials: 61.4-63.7 parts of Whole milk powder, 15.3-16.6 parts of butter milk powder

lipid, 13.8-16.2 parts of dextrose anhydrous, 2.1-2.9 parts of polyfructose, and 1.1-1.5

parts of milk calcium , GOS(galacto-oligosaccharides) 0.9-1.3 parts, DHA 0.3-0.5 parts,

children mineral and vitamin premix 0.12-0.18 parts, sodium ascorbate 0.05-0.07 parts,

iron pyrophosphate 0.03-0.04 parts, lactoferrin powder 0.02- 0.03 copies.

Preferably, it is prepared from the following parts by weight of raw materials: whole

milk powder 62.3580, Butter milk powder lipid 15.9182, dextrose anhydrous 15.8872,

polyfructose 2.6, milk calcium 1.37, GOS (galactooligosaccharide) 1.2, DHA 0.4, vitamin

and mineral premix for young children Material 0.15, sodium ascorbate 0.0618, iron pyrophosphate 0.0308, lactoferrin powder 0.024.

Further, the premix for children's minerals and vitamins, the mineral premix includes

calcium phosphate, calcium citrate, calcium chloride, sodium chloride, ferrous sulfate, zinc

sulfate, copper sulfate and sodium selenite. Vitamin premixes include dl-a-tocopheryl

acetate, nicotinamide, D-calcium pantothenate, pyridoxine hydrochloride, riboflavin,

thiamine hydrochloride, thiamine hydrochloride A, folic acid, phytonadione, biotin, Vitamin

D3, choline chloride, choline bitartrate and inositol.

Wherein, the DHA is nano DHA microcapsules.

The invention also provides the preparation method of the milk powder for young

children, wherein the Butter milk powder lipid, lactoferrin powder, milk calcium, sodium

ascorbate, dextrose anhydrous solid and water are mixed to obtain a mixed solution; it is

carried out in a high-pressure homogenizer homogenize, the homogenization pressure is

12-15Mpa; sterilize it again at 92-95C for 30-60s; evaporate and concentrate; sterilize it

again at 72-75°C for 30-60s; homogenize again, the homogenization pressure is

12-15Mpa; obtain the semi-finished product after spray drying;

Then, the semi-finished product is added into polyfructose, GOS, whole milk powder,

DHA, vitamin and mineral premix for young children, and iron pyrophosphate by a dry

mixing process to obtain the milk powder for young children.

Wherein, the DHA is nano-DHA microcapsules, including DHA nanoparticles and

shell of microcapsule wrapped around the DHA nanoparticles; the shell of microcapsule is

made of high-pressure homogenized modified quinoa starch and sodium caseinate to make.

The preparation method of the nano-DHA microcapsules includes the following steps:

(1) Firstly, stir quinoa starch and water in a water bath at 65-75C for 0.5-1h to obtain

an aqueous suspension of quinoa starch, the mass percentage concentration of the

aqueous suspension of quinoa starch is 12-23% ;

(2) The aqueous suspension of quinoa starch is pre-emulsified and then modified by

high-pressure homogenization;

(3) Under 65-75C, add sodium caseinate and stir to form a mixed solution, the

weight ratio of the high-pressure homogeneous modified quinoa starch and sodium

caseinate is 1:0.5-3;

(4) At 65-75C, stir the mixed liquid with DHA nanoparticles, and homogenize them

under high pressure to obtain an emulsion; the DHA nano particles account for 25-35% of

the mass percentage of microcapsules.

(5) Finally, the emulsion is spray-dried into microcapsule powder.

Further, in step (2), the pre-emulsification treatment is performed by a high-pressure

homogenizer, and the pressure used by the high-pressure homogenizer is 5 MPa; the

modification of the high-pressure homogenization process is performed by a

high-pressure homogenizer, the pressure is 7580MPa.

The spray drying described in step (5) is carried out using a spray dryer, the inlet

temperature is set at 150-180°C, the outlet temperature is set at 80-11O°C, and the feed rate is set at 6-8mL/min.

We process the DHA powder into nano DHA microcapsules.

The DHA powder with a diameter of less than 0.15mm is loaded into a

multi-dimensional swing ball mill, and continuously processed to obtain DHA

nanoparticles with a diameter of less than 30nm, then finishing nano DHA microcapsules,

We use nano DHA microcapsules, microencapsulates the nano DHA, wraps the nano

DHA in the wall material, can protect the DHA from the adverse environmental factors,

improve its characteristics of being oxidized easily and losing activity, and protecting the

DHA. The original characteristics of DHA improve the stability of DHA and extend its shelf

life, which plays an important role in improving the utilization rate of DHA and expanding

its application range.

The invention provides a milk powder for young children and a preparation method

thereof which have the following technical effects:

The invention uses the nano DHA microcapsules to scientifically match these substances,

and fully exerts the synergistic effect, which not only improves children's ability of memory

but also protects their eyes, and be good to the spleen and stomach. With the combination

of milk powder and other raw materials, it provides comprehensive balanced nutrition.

DETAILED DESCRIPTION OF PREFERED EMBODIMENTS

The specific technical solutions of the present invention will be described in conjunction

with the embodiments.

EMBODIMENT 1

A milk powder for young children, prepared from the following parts by weight of raw

materials:

Whole milk powder 62.3580, butter milk powder lipid 15.9182, dextrose anhydrous

15.8872, polyfructose 2.6, milk calcium 1.37, GOS(galactooligosaccharide) 1.2, DHA 0.4,

children minerals and vitamins premix 0.15, sodium ascorbate 0.0618, iron

pyrophosphate 0.0308, lactoferrin powder 0.024.

The premix for children's minerals and vitamins, the mineral premix includes calcium

phosphate, calcium citrate, calcium chloride, sodium chloride, ferrous sulfate, zinc sulfate,

copper sulfate and sodium selenite. Vitamin premixes include dl-a-tocopheryl acetate,

nicotinamide, D-calcium pantothenate, pyridoxine hydrochloride, riboflavin, thiamine

hydrochloride, thiamine hydrochloride A, folic acid, phytonadione, biotin, Vitamin D3,

choline chloride, choline bitartrate and inositol.

Wherein, the DHA is nano DHA microcapsules.

The invention also provides the preparation method of the milk powder for young

ascorbate, dextrose anhydrous solid and water are mixed to obtain a mixed liquid; it is

carried out in a high-pressure homogenizer homogenize at 12Mpa; sterilize it at 93°C for

s; evaporate and concentrate; sterilize it again at 75C for 30 seconds; homogenize

again, with a homogenization pressure of 12Mpa; obtain the semi-finished product after

spray drying;

mixing process to obtain the milk powder for young children.

Wherein, the DHA is nano-DHA microcapsules, including DHA nanoparticles and shell

of microcapsule wrapped around the DHA nanoparticles; the shell of microcapsule is

made of high-pressure homogenized modified quinoa starch and sodium caseinate to

make.

(1) Stir quinoa starch and water in a water bath at 68C for 0.5h to obtain an aqueous

suspension of quinoa starch, the mass percentage concentration of the aqueous

suspension of quinoa starch is 15%;

(2) The aqueous suspension of quinoa starch is pre-emulsified, and it is processed by

a high-pressure homogenizer, and the pressure used by the high-pressure homogenizer

is 5MPa; then the high-pressure homogenizer is modified by a high-pressure

homogenizer. The pressure of the high-pressure homogenizer is 7580MPa;

(3) Add sodium caseinate and stir to form a mixed liquid at 68C, and the weight ratio

of the high-pressure homogenized modified quinoa starch and sodium caseinate is 1:1;

(4) The mixture and the DHA nanoparticles are stirred and mixed at 68C, and

subjected to high-pressure homogenization treatment to obtain an emulsion; the DHA

nanoparticles account for 27.4% of the microcapsules by mass.

(5) Finally, the emulsion is spray-dried into microcapsule powder, which is carried out

using a spray dryer, the inlet temperature is set at 175°C, the outlet temperature is set at

105°C, and the feed rate is set at 8 mL/min.

Embodiment 2

materials:

61.8561 parts of whole milk powder, 16.4256 parts of Butter milk powder lipid,

14.2579 parts of dextrose anhydrous, 2.7 parts of polyfructose, 1.42 parts of milk calcium,

1.3 parts of GOS(galacto-oligosaccharides), DHA 0.3 Parts, vitamin and mineral premix

for young children 0.16 parts, sodium ascorbate 0.0524 parts, iron pyrophosphate 0.0325

parts, lactoferrin powder 0.025 parts.

choline chloride, choline bitartrate and inositol.

Wherein, the DHA is nano DHA microcapsules.

The invention also provides the preparation method of the milk powder for young

carried out in a high-pressure homogenizer Homogenize with a homogenization pressure

of 15Mpa; sterilize it at 95C for 30s; evaporate and concentrate; sterilize it at 72°C for

s; homogenize again, with a homogenization pressure of 15Mpa; obtain the semi-finished product after spray drying;

mixing process to obtain the milk powder for young children.

make.

(1) Firstly, stir quinoa starch and water at 75C water bath for 0.5h to obtain an

aqueous suspension of quinoa starch, and the mass percentage concentration of the

aqueous suspension of quinoa starch is 17%;

(2) The aqueous suspension of quinoa starch is pre-emulsified, which is carried out by

is 5MPa; then the high-pressure homogenizer is modified by a high-pressure

homogenizer, the pressure is 7580MPa;

(3) Add sodium caseinate and stir to form a mixed liquid at 70°C, and the weight ratio

of the high-pressure homogeneous modified quinoa starch and sodium caseinate is 1:2.5;

(4) The mixture and the DHA nanoparticles are stirred and mixed at 70°C, and

nanoparticles account for 28.4% of the microcapsules by mass.

(5) Finally, the emulsion is spray-dried into microcapsule powder, which is carried out using a spray dryer, the inlet temperature is set to 160°C, the outlet temperature is set to

°C, and the feed rate is set to 6.5 mL/min.

Embodiment 3

materials: 63.127 parts of whole milk powder, 15.467 parts of butter milk powder lipid,

15.785 parts of dextrose anhydrous, 2.357 parts of polyfructose, 1.3 parts of milk calcium,

1.114 parts of GOS(galacto-oligosaccharides), DHA 0.3762 Parts, vitamin and mineral

premix for young children 0.1672 parts, sodium ascorbate 0.057 parts, iron

pyrophosphate 0.04 parts, lactoferrin powder 0.0267 parts.

choline chloride, choline bitartrate and inositol.

Wherein, the DHA is nano DHA microcapsules.

The invention also provides the preparation method of the milk powder for young

of 13Mpa; sterilize it at 95C for 45s; evaporate and concentrate; sterilize it again at 74°C

for 45s; homogenize again, with a homogenization pressure of 13Mpa; obtain the semi-finished product after spray drying;

mixing process to obtain the milk powder for young children.

Wherein, the DHA is nano-DHA microcapsules, including DHA nanoparticles and

make.

(1) Firstly, stir quinoa starch and water at 65C water bath for 1 hour to obtain an

aqueous suspension of quinoa starch, the mass percentage concentration of the aqueous

suspension of quinoa starch is 19.7%;

is 5MPa; then the high-pressure homogenizer is modified by a high-pressure

homogenizer, the pressure is 7580MPa;

(3) Add sodium caseinate and stir to form a mixed liquid at 75C, and the weight ratio

of the high-pressure homogenized modified quinoa starch and sodium caseinate is 1:0.5;

(4) The mixture and the DHA nanoparticles are stirred and mixed at 75C, and

subjected to high-pressure homogenization to obtain an emulsion; the DHA nanoparticles

account for 32.7% of the microcapsules by mass.

(5) Finally, the emulsion is spray-dried into microcapsule powder, which is carried out using a spray dryer, the inlet temperature is set at 180°C, the outlet temperature is set at

100°C, and the feed rate is set at 7.5mL/min.

Related performance testing:

1. The results are shown in the table below.

Table 1

Items color odor texture

Example 1 Uniform Typical milk powder fragrance Powdery, loose,

without caking

Example 2 Uniform Typical milk powder fragrance Powdery, loose,

without caking

Example 3 Uniform Typical milk powder fragrance Powdery, loose,

without caking

The preparation properties of the milk powder were measured. The preparation

properties of the milk powders of Examples 1 to 3 were all good, without agglomerates,

without precipitation at the bottom of the cup, and the system was uniform and stable.

The above embodiments are only used to illustrate the technical solutions of the

present invention but not to limit them. Although the present invention has been described

in detail with reference to the preferred embodiments, those of ordinary skill in the art

should understand that the technical solutions of the present invention can be modified or

equivalently replaced. Without departing from the spirit and scope of the technical

solutions of the present invention, they should be covered by the scope of the claims of the present invention.

Sensory evaluation:

Table2 is the scoring standard for milk powder uniformity and taste.

Table2

Rating criteria score evaluation Tonicity odor

Sinking time : 10 seconds; number of The unique aroma of milk

10 Very good small white points : 10; no white spots on powder, the smell is

the cup wall; no clumps naturally no bitter

11 seconds : sinking time : 20 seconds; The unique aroma of milk

a small amount of small white spots, fine powder is not strong,

8-9 good particles; small white spots on the wall of slightly bitter

the cup and the number of flakes : 10; 1

: briquettes 5 5;

21 seconds : sinking time : 30 seconds; The unique milky milk is

a small amount of small white spots, small not strong, slightly

particles around the small white spots; a vegetable oily, slightly 6-7 common small amount of small white spots and bitter

flakes on the cup wall; 1 : agglomerate :

5;

31 seconds : sinking time : 40 seconds; Have other odors, bitter

a large number of small white spots and taste is heavier

3-5 bad flakes, no significant difference between

the middle and the periphery; 6 <

agglomerate : 10;

41 seconds : sinking time; a large The milk is not strong

number of small white spots and flakes, no and there are other

significant difference between the middle odors, and the bitterness <3 Very bad and the surrounding; 11 : agglomerate; is strong.

cup wall has a large number of small white

spots and flakes do not fall

According to the above criteria, the scores of Examples 1 to 3 of the present invention

are as shown in Table 3 below.

Table 3 The score of the embodiment of the present invention (35-person evaluation

group, the average score, the individual detail score is limited to the length is not attached,

only the average score of three digits after the decimal point is attached)

Table 3

sore

Tonicity odor

embodiment 8.79 8.76

embodiment2 8.89 8.69 embodiment3 9.02 8.53

Claims

WE CLAIM IS:

1. A milk powder for young children, characterized by being prepared from the following

parts by weight of raw materials: 61.4-63.7 parts of whole milk powder, 15.3-16.6 parts of

butter milk powder lipid, 13.8-16.2 parts of dextrose anhydrous, 2.1-2.9 parts of

polyfructose (from Inulin) , Milk calcium 1.1-1.5 parts, GOS 0.9-1.3 parts, DHA 0.3-0.5

parts, vitamin and mineral premix for young children 0.12-0.18 parts, sodium ascorbate

0.05-0.07 parts, iron pyrophosphate 0.03-0.04 parts, Lactoferrin powder 0.02-0.03 parts.

2. A milk powder for young children according to claim 1, wherein the vitamin and mineral

premix for young children, the mineral premix includes calcium phosphate, calcium citrate,

calcium chloride, sodium chloride, ferrous sulfate, zinc sulfate, copper sulfate and sodium

selenite; vitamin premixes include dl-a-tocopheryl acetate, nicotinamide, calcium

D-pantothenate, pyridoxine hydrochloride, riboflavin, thiamine hydrochloride , Thiamine

hydrochloride A, folic acid, phytonadione, biotin, vitamin D3, choline chloride, choline

bitartrate and inositol.

3. A method for preparing milk powder for young children according to any one of claims 1

to 2, characterized in that the butter milk powder lipid, lactoferrin powder, milk calcium,

sodium ascorbate, dextrose anhydrous solids are mixed with water to obtain a mixture

Liquid; homogenize it in a high-pressure homogenizer with a homogenization pressure of

12-15Mpa; sterilize it at 92-95C for 30-60s; evaporate and concentrate; then sterilize it at

72-75°C for 30-60s; homogenize again, the homogenization pressure is 12-15Mpa;

obtain the semi-finished product after spray drying;

Then, the semi-finished product is added into polyfructose, GOS, whole milk powder, DHA, vitamin and mineral premix for young children, and iron pyrophosphate by a dry mixing process to obtain the milk powder for young children.

4. A method for preparing milk powder for young children according to claim 3, wherein

the DHA is nano-DHA microcapsules, including DHA nanoparticles and shell of

microcapsule wrapped around the DHA nanoparticles; the shell of capsule is made of

high-pressure homogenized modified quinoa starch and sodium caseinate.

5. The preparation method of milk powder for young children according to claim 3,

wherein the preparation method of the nano-DHA microcapsules includes the following

steps:

(1) Firstly, stir quinoa starch and water in a water bath at 65-75C for 0.5-1h to obtain an

suspension of quinoa starch is 12-23%;

high-pressure homogenization;

(3) Add sodium caseinate and stir to form a mixed solution at 65-75C, the weight ratio of

the high-pressure homogeneous modified quinoa starch and sodium caseinate is 1:0.5-3;

(4) Stir the mixed liquid with DHA nanoparticles at 65-75C, and homogenize them under

high pressure to obtain an emulsion; the DHA nano particles account for 25-35% of the

mass percentage of microcapsules.

(5) Finally, the emulsion is spray-dried into microcapsule powder.