CN104996739A - Preparation method of composite micro-encapsulated soybean lecithin powder for livestock breeding - Google Patents
Preparation method of composite micro-encapsulated soybean lecithin powder for livestock breeding Download PDFInfo
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Abstract
The invention relates to a preparation method of composite micro-encapsulated soybean lecithin powder for livestock breeding. The preparation method particularly comprises the following steps:(1) sufficiently stirring and extracting soybean phospholipid oil with ethanol, performing centrifugation on the extracted liquid and insoluble matters, collecting upper-layer extracted liquid, and repeating the extraction step twice; (2) merging the extracted liquid obtained by performing extraction twice, performing distillation under reduced pressure, recovering an ethanol solvent, and leaving soybean lecithin oily liquid; (3) heating water, adding sodium tripolyphosphate, whey powder and modified starch, and uniformly stirring the heated water, the sodium tripolyphosphate, the whey powder and the modified starch so that the sodium tripolyphosphate, the whey powder and the modified starch are dissolved; and (4) adding the soybean lecithin oil, uniformly emulsifying the soybean phospholipid oil, filtering out solids, and drying remaining liquid with a spray drying machine so as to obtain the micro-encapsulated soybean lecithin powder. According to the preparation method disclosed by the invention, the preparation technology is simple, the properties are stable, the lecithin powder is easy to store, the quality guarantee period is long, the prepared lecithin powder has notable effects in the respects of nutritional requirements of poultry and livestock and the health of livers, the bioactivity of the poultry and the livestock can be obviously improved, and the breeding benefits are improved.
Description
Technical field
The present invention relates to soybean lecithin extractive technique field, especially relate to the technology such as the encapsulation of soybean lecithin, the composite of nutriment.
Background technology
Soybean lecithin is that the content in soybean is mass fraction 1.2% ~ 3.2% from producing the product extracted the oil foot of soybean oil.It is primarily of lecithin, cephalin, lipositol, phosphatidylserine, phosphatidic acid composition.Soybean lecithin has very high nutritive value and physiologically active, is again excellent naturally occurring emulsifying agent simultaneously.But have in mind from trophic function and physiologically active two aspect, lecithin is component most valuable in soybean lecithin.
From nutrition, lecithin can promote that cholesterol and protein molecule are combined into complex and are present in blood, and the lipoids that can alleviate vascular wall infiltrates, and suppresses the generation of atherosclerosis; Choline in lecithin participates in the metabolism of fat, and aliphatic acid can be prevented from the slow caused fatty live lesions of hepatic excretion; Choline also participates in essential amino acid methionine and some other amino acid whose biosynthesis in vivo; And promote that liposoluble vitamin absorbs in vivo better.
In Production of Livestock and Poultry, according to the U.S. " international feed ", in conventional feed formula, add lecithin product, can improve food conversion ratio.De-oiling soybean lecithin has good " AFL " effect in pig starter feed.In production commodity dog grain process, soybean lecithin is added in dog grain as the functional nutrient factor, the memory of dog and learning ability, raising immunity and life-extending etc. (He little Jun etc., 2014) can be improved.And lecithin can play the effect of following several respects as feed addictive in aquaculture: 1. as grease substitute, improve the energy of feed; 2. the nutrients such as choline, inositol, linoleic acid plus linolenic acid are provided, improve the nutritive value of feed; 3. the palatability of feed is improved; 4. animal digesting and assimilating grease and liposoluble vitamin is contributed to; 5. the unrighted acid in feed is protected; 6. improve physical quality and the output of granulation, reduce the powder of feed when extrusion molding and lose and energy ezpenditure; 7. the wearing and tearing of extrusion equipment are reduced; 8. prevent dust from flying, improve the mixing quality of feed.
Because soybean lecithin possesses high biological value, the method that its point is carried is developed rapidly, and new method continues to bring out.The existing multiple methods such as solvent extraction point formulation, chromatography (separation of TLC separation, column chromatography chromatogram, high performance liquid chromatography are separated), supercritical fluid extraction that comprise see production practices.Wherein solvent point formulation is a kind of industrial the most frequently used method preparing high purity phosphorus phosphatidylcholine (i.e. lecithin, PC).Have that production capacity is large, the cycle is short, be convenient to continued operation, easily realize the advantages such as automation.For the quality requirements of food-grade and even pharmaceutical grade high purity lecithin, production needs comprise and point to carry (removing thermogenic substance), acetone deoils the complex steps such as concentrated, charcoal absorption decolouring, and finally make powdered soy bean lecithin, cost is also very high.At present there are no the research of soybean lecithin preparation technology being specifically designed to husbandry sector.
And due to the strong and non-refractory of soybean lecithin hygroscopicity, and animal pellet feed is prepared especially aquatic animal feed preparation and need be experienced higher temperature (maximum temperature can reach 120 ~ 180 DEG C, pressure is at 4 ~ 10MPa, more than conditioning period 40s), when soybean lecithin adds feed as the one of nutrient raw material, through stabilization processes, microencapsulation form need be prepared into and add, to ensure that it is active.
Microcapsules technology is the coated technology forming fine particle on a solid surface of a kind of filmogen.Apply microcapsules technology by grease from liquid oil pulverize powder, have and change physical appearance and character, extend and control the release of active material in micro-capsule, make it from the impact of environment, improve the stability of product and extend the product shelf phase, being convenient to the features such as transport and feed manufacturing.Chinese patent 201310496032.0 has set forth the method wrapping up preparing lecithin microcapsules using soybean polyoses and gelatin as wall material to lecithin.But this method does not consider the trophism of wall material to cultivated animals.
Summary of the invention
For the problems referred to above that prior art exists, the applicant provides a kind of preparation method of livestock-raising composite micro-capsule soy lecithin powder.Preparation technology of the present invention is simple, stable performance, and lecithin powder easily stores, long shelf-life, and the lecithin powder prepared Be very effective in poultry nutritional need, liver health, can significantly improve the biologically active of poultry, improves culture benefit.
Technical scheme of the present invention is as follows:
A preparation method for livestock-raising composite micro-capsule soy lecithin powder, concrete steps are as follows:
(1) with the ethanol of concentration 90% (v/v), fully extraction is stirred to soyabean lecithin oil, extraction temperature 30 ~ 40 DEG C, the ratio of ethanol and soyabean lecithin oil is 3:1 (ml/g), extraction 30 ~ 60min, then centrifugation extract and insoluble matter, collects upper layer of extraction liquid; Re-extract step twice;
(2) merge twice extract, at 45 ~ 60 DEG C, under 0.08 ~ 0.06MPa vacuum, carry out decompression distillation, reclaim alcohol solvent, leave the soybean lecithin oily liquid of phosphatid ylcholine and PC >=50%;
(3) water of 7000 ~ 9000ml is heated to 65 ~ 70 DEG C, adds 5 ~ 7 grams of sodium phosphate trimers, then add the whey powder of 180 ~ 220 grams, 500 ~ 540 grams of converted starches, uniform stirring dissolves;
(4) in step (3) gained mixture, 900 ~ 1200 grams of soy lecithin oil are added, uniformly emulsify at constant temperature 60 ~ 70 DEG C, filter out solid content by 40 ~ 80 mesh sieve, remaining liquid spray dryer is dry, obtains the soybean lecithin powder of microencapsulation.
Acetone insoluble matter >=55% of soyabean lecithin oil described in step (1), phosphatid ylcholine and PC value are 18%.
Step (1) add in advance in lecithin materials weight 0.5 ~ 1.5%, diameter 0.7 ~ 0.9mm bead as dispersant.Soyabean lecithin oil sticky nature can be improved when stirring, expanding solvent contacts area, improve lecithin effect of extracting.
Step (1) fully stirs the object of extraction for reaching, can use ultrasound-assisted extraction, ultrasonic power 100 ~ 150W, auxiliary extraction 6 ~ 10min.
The centrifuge parameters of step (1) centrifugation extract and insoluble matter is set to 10000 ~ 13000rpm, 15 ~ 25min.
Step (2) uses table type circulating water vavuum pump to carry out decompression distillation.
The pressure position 50 ~ 70Mpa of step (4) described uniformly emulsify, number of times is 2 ~ 3 times.
Step (4) uses high-shear emulsion machine to carry out uniformly emulsify.
Step (4) uses laboratory spray drying tower to carry out spraying dry to soybean lecithin.
The technique effect that the present invention is useful is:
The object of the present invention is to provide the preparation method of livestock-raising composite micro-capsule soy lecithin powder.Preparation technology of the present invention is simple and clear, and with low cost, do not need through the step such as acetone deoiling, vacuum drying, the oily PC content of soybean lecithin (PC) of preparation is more than 50%.In the process making soybean lecithin oil microcapsule, add sodium phosphate trimer, make lecithin oil better soluble in water, produce peptizaiton.The whey powder added can make solution form stable emulsion, and whey powder can provide a large amount of lactose simultaneously, and in animal alimentary canal, fermentation can produce a large amount of lactic acid, reduces pH value, suppresses the growth of malignant bacteria.And converted starch is as wall material, there is excellent emulsifiability and filming performance, lowly sticky easily be atomized, easily dehydrate, glue wall and the excellent characteristic such as to lack.The microcapsules formed are to the embedding rate of lecithin particulate close to 100%, and surface oil is below 0.25%, and embedding effect is very excellent, effectively improves the performance of lecithin.
We find in actual animal-breeding, add the composite micro-capsule soy lecithin powder of 4% at rainbow trout feed, rainbow trout rate of body weight gain 32% can be improved, specific growth rate 22%, effective reduction feed coefficient 22%, and the non-specific immunity that effectively can improve rainbow trout.In layer diets, add 1% and 2% compound soybean lecithin powder, can significantly improve laying rate of laying hen, average egg weight, the price of deed also obtains remarkable improvement simultaneously.Visible to the analysis of breeding layer chicken benefit, after adding compound soybean lecithin, the profit on sales of egg obtains and increases, and gross profit adds 17.39%, 30.43% respectively, can greatly improve breeding layer chicken benefit.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is specifically described.Device therefor in embodiment: table type circulating water vavuum pump is Shanghai Yu Ying Instrument Ltd., SHZ-D III; High-shear emulsion machine is Shanghai Fu Luke mechanical & electronic equipment corporation, Ltd, B25; Laboratory spray drying tower is Shanghai Ya Cheng instrument and equipment Co., Ltd, YC-015.All the other raw materials and equipment are common commercially available.
Embodiment 1
A preparation method for livestock-raising composite micro-capsule soy lecithin powder, concrete steps are as follows:
(1) with the ethanol of concentration 90% (v/v), fully extraction is stirred to soyabean lecithin oil, extraction temperature 30 DEG C, the ratio of ethanol and soyabean lecithin oil is 3:1 (ml/g), extraction 30min, then centrifugation extract and insoluble matter, collects upper layer of extraction liquid; Re-extract step twice.Acetone insoluble matter >=55% of described soyabean lecithin oil, phosphatid ylcholine and PC value are 18%.For reaching the object fully stirring extraction, ultrasound-assisted extraction can be used, ultrasonic power 100 ~ 150W, auxiliary extraction 6 ~ 10min.The centrifuge parameters of centrifugation extract and insoluble matter is set to 10000 ~ 13000rpm, 15 ~ 25min.
(2) merge twice extract, at 45 DEG C, under 0.08MPa vacuum, carry out decompression distillation, reclaim alcohol solvent, leave the soybean lecithin oily liquid of phosphatid ylcholine and PC >=50%; Table type circulating water vavuum pump is used to carry out decompression distillation.
(3) water of 7000ml is heated to 65 DEG C, adds 5 grams of sodium phosphate trimers, then add the whey powder of 180 grams, 500 grams of converted starches, uniform stirring dissolves;
(4) in step (3) gained mixture, add 900 grams of soy lecithin oil, uniformly emulsify at constant temperature 60 DEG C, filters out solid content by 40 mesh sieve, and remaining liquid spray dryer is dry, obtains the soybean lecithin powder of microencapsulation.The pressure position 50Mpa of described uniformly emulsify, number of times is 2 times.High-shear emulsion machine is used to carry out uniformly emulsify.Laboratory spray drying tower is used to carry out spraying dry to soybean lecithin.
Embodiment 2
A preparation method for livestock-raising composite micro-capsule soy lecithin powder, concrete steps are as follows:
(1) with the ethanol of concentration 90% (v/v), fully extraction is stirred to soyabean lecithin oil, extraction temperature 40 DEG C, the ratio of ethanol and soyabean lecithin oil is 3:1 (ml/g), extraction 60min, then centrifugation extract and insoluble matter, collects upper layer of extraction liquid; Re-extract step twice.Acetone insoluble matter >=55% of described soyabean lecithin oil, phosphatid ylcholine and PC value are 18%.Add in advance in lecithin materials weight 1.5%, diameter 0.9mm bead as dispersant, soyabean lecithin oil sticky nature can be improved when stirring, expanding solvent contacts area, improve lecithin effect of extracting.For reaching the object fully stirring extraction, ultrasound-assisted extraction can be used, ultrasonic power 150W, auxiliary extraction 10min.The centrifuge parameters of centrifugation extract and insoluble matter is set to 13000rpm, 25min.
(2) merge twice extract, at 60 DEG C, under 0.06MPa vacuum, carry out decompression distillation, reclaim alcohol solvent, leave the soybean lecithin oily liquid of phosphatid ylcholine and PC >=50%; Table type circulating water vavuum pump is used to carry out decompression distillation.
(3) water of 9000ml is heated to 70 DEG C, adds 7 grams of sodium phosphate trimers, then add the whey powder of 220 grams, 540 grams of converted starches, uniform stirring dissolves;
(4) in step (3) gained mixture, add 1200 grams of soy lecithin oil, uniformly emulsify at constant temperature 70 DEG C, filters out solid content by 80 mesh sieve, and remaining liquid spray dryer is dry, obtains the soybean lecithin powder of microencapsulation.The pressure position 70Mpa of described uniformly emulsify, number of times is 3 times.High-shear emulsion machine is used to carry out uniformly emulsify.Laboratory spray drying tower is used to carry out spraying dry to soybean lecithin.
Embodiment 3
A preparation method for livestock-raising composite micro-capsule soy lecithin powder, concrete steps are as follows:
(1) with the ethanol of concentration 90% (v/v), fully extraction is stirred to soyabean lecithin oil, extraction temperature 35 DEG C, the ratio of ethanol and soyabean lecithin oil is 3:1 (ml/g), extraction 40min, then centrifugation extract and insoluble matter, collects upper layer of extraction liquid; Re-extract step twice.Acetone insoluble matter >=55% of described soyabean lecithin oil, phosphatid ylcholine and PC value are 18%.Add in advance in lecithin materials weight 1%, diameter 0.8mm bead as dispersant, soyabean lecithin oil sticky nature can be improved when stirring, expanding solvent contacts area, improve lecithin effect of extracting.For reaching the object fully stirring extraction, ultrasound-assisted extraction can be used, ultrasonic power 120W, auxiliary extraction 8min.The centrifuge parameters of centrifugation extract and insoluble matter is set to 12000rpm, 20min.
(2) merge twice extract, at 50 DEG C, under 0.07MPa vacuum, carry out decompression distillation, reclaim alcohol solvent, leave the soybean lecithin oily liquid of phosphatid ylcholine and PC >=50%; Table type circulating water vavuum pump is used to carry out decompression distillation.
(3) water of 8000ml is heated to 68 DEG C, adds 6 grams of sodium phosphate trimers, then add the whey powder of 200 grams, 520 grams of converted starches, uniform stirring dissolves;
(4) in step (3) gained mixture, add 1000 grams of soy lecithin oil, uniformly emulsify at constant temperature 65 DEG C, filters out solid content by 60 mesh sieve, and remaining liquid spray dryer is dry, obtains the soybean lecithin powder of microencapsulation.The pressure position 60Mpa of described uniformly emulsify, number of times is 3 times.High-shear emulsion machine is used to carry out uniformly emulsify.Laboratory spray drying tower is used to carry out spraying dry to soybean lecithin.
Test example 1
Composite micro-capsule soybean lecithin powder is tested the impact of performance in layers
Test site: Yixing City breeding layer chicken field, Jiangsu Province
Experimental design: select 280 age in days kinds, production performance completely the same, body weight no significant difference brown shell layer 720, is divided into 3 process at random, and each process is divided into 5 repetitions, each repetition 40.Control group basal diet component is: corn 60%, wheat bran 1.8%, dregs of beans 13%, cotton dregs 6%, the dish dregs of rice 4%, stone flour 8%, calcium monohydrogen phosphate 1.5%, salt 0.3%, B B-complex 0.02, trace element 0.2, zeolite powder 2%.Diet nutrient composition obtained is thus, crude protein 16.13%, crude fat 2.5%, calcium 3.26%, total phosphorus 0.40%, lysine 0.67, methionine 0.35.(stone flour and zeolite powder is had above by reducing zeolite powder, two different is that right?) consumption, in basal diet, add the composite micro-capsule soy lecithin powder of embodiment 3 prepares 1% and 2% respectively, be called experimental group 1 and experimental group 2, thus obtained 3 groups of feeds.
Use basal diet to raise 2 weeks in advance to laying hen, period carries out Health survey, and between each group, production performance is basically identical.The phase of raising terminates in advance, reloads gradually, adapts to after 5 days, enters formal test, 6 weeks experimental periods.Feeding and management is carried out routinely, and free choice feeding is freely drunk water, in time clear excrement.After on-test, record feed consumption rate, egg number, soft egg number, broken egg number every day.And get 10 pieces, egg at random and weigh.Observe laying hen health status at any time, record is dead washes in a pan number.The results are shown in Table 1.
Table 1 Different adding amount compound soybean lecithin powder is on the impact of performance in layers
| Group | Control group | Experimental group 1 | Experimental group 2 |
| Average egg production (%) | 80.26±1.85 a | 83.56±2.62 b | 84.90±2.61 b |
| Feed intake (g) | 108.14±1.63 b | 104.23±1.25 a | 104.33±1.19 a |
| Average egg weight (g) | 58.02±1.05 a | 61.68±0.79 b | 63.23±0.46 b |
| The price of deed | 2.47±0.40 b | 2.11±0.26 a | 2.00±0.32 a |
| Egg sells (unit) | 0.48 | 0.52 | 0.57 |
| Gross profit (unit/d. only) | 0.23 | 0.27 | 0.3 |
Table 1 result shows, add 1% ~ 2% compound soybean lecithin powder in daily ration, can significantly improve laying rate of laying hen (P<0.05), compare with control group, experimental group l, experimental group 2 add 4.11%, 5.78% respectively; And the experimental group 2 that with the addition of 2% lecithin powder increases by 1.60% than experimental group 1 laying rate; Add soybean lecithin powder in daily ration, significantly can reduce laying hen feed intake (P<0.05), this may be relevant as adipose energy nutrition with lecithin, and laying hen feed cost of searching for food can be made like this to decline.And experimental group 1, the average egg weight of experimental group 2, comparatively control group has remarkable growth, improves 6.30%, 8.98% respectively, compares with experimental group l, and experimental group 2 egg size improves 2.51%; The price of deed also obtains remarkable improvement (P<0.05) simultaneously, and compare with control group, experimental group 1, experimental group 2 are improved degree and be respectively 14.47%, 19.03%.Visible to the analysis of breeding layer chicken benefit, after adding compound soybean lecithin, the profit on sales of egg obtains and increases, and compare with control group, experimental group 1, experimental group 2 gross profit add 17.39%, 30.43% respectively; Compare with experimental group 1, experimental group 2 gross profit adds 11%.In general, add composite micro-capsule soybean lecithin powder, breeding layer chicken benefit can be significantly improved.
The impact of test example 2 composite micro-capsule soybean lecithin on rainbow trout growth performance and immunity is tested
Test site: Linyi Modern Fishery plant
Experimental design: select rainbow trout parr 160 tail (89.2 ± 0.2g) that physique is healthy and strong, body weight is close, be divided into 2 groups at random, often organize 4 repetitions, each repetition 20 tail fish, put in a suitable place to breed respectively in 8 cylindrical glass steel breeding barrels (60cm diameter × 80cm is high, depth of water 50cm).Culture experiment continues 60d, and throw something and feed every day twice (8:00,16:30), and feeding volume is the 1.5%-2% of body weight, and residual bait is discharged by the discharge outlet that end of throwing something and feeding carried from system after 30 minutes, collects residual bait, calculates residual bait amount.Duration of test controls water temperature 14.5 ± 0.5 DEG C, dissolved oxygen > 8mg/l, ammonia nitrogen < 0.4mg/l.
According to fish meal 30%, corn flour 30%, soya-bean cake 25.5%, wheat bran 9%, fish oil 2.5%, B B-complex 1%, inorganic salt mixt 1%, the formula of Dicalcium Phosphate 1% makes the experiment feed of rainbow trout.Feed contains crude protein 35%, crude fat 8%, ash content 9%, moisture 11%, crude fibre 3.4%, NFE 32.9%.Reduce corn flour and wheat bran addition each 2%, add embodiment 3 and prepare composite micro-capsule soybean lecithin powder 4%, make experimental group feed.60 days culture-cycles.Whole duration of test, observes rainbow trout growth situation every day, and makes a record.
After growth test terminates, hungry 24h, claims every barrel of fish gross weight, calculates rate of body weight gain.After MS-222 anesthesia, get 14 tail fishes at random, weigh from every barrel, the long body of amount body is wide, venous blood collection, for collecting serum and preparing whole blood.Get the fish after blood, be separated internal organ, liver pancreas, alimentary canal, weigh, calculate dirty body ratio and liver body ratio.The kit that lysozyme (LZM) in rainbow trout serum and catalase (CAT) all adopt Nanjing to build up Bioengineering Research Institute measures.Utilize SPSS19.0 statistical software, adopt one-way analysis of variance method to analyze rainbow trout growth performance test data, immunization data, result adopts average ± standard deviation to represent.The results are shown in Table shown in 2,3.
Table 2 soybean lecithin powder is on the impact of rainbow trout growth and body index
| Project | Control group | Experimental group |
| First body weight IBW (g) | 89.13±0.08 | 89.27±0.13 |
| The heavy FBW (g) of opisthosoma | 170.00±4.36 a | 196.50±6.36 b |
| Rate of body weight gain WGR (%) | 90.58±7.57 a | 120.29±4.76 b |
| Specific growth rate SGR (%/d) | 0.47±0.07 a | 0.57±0.04 b |
| Feed coefficient FCR | 1.34±0.07 a | 1.09±0.03 b |
| Liver body is than HSI (%) | 2.96±0.46 | 2.32±0.24 |
| Dirty body is than VSI (%) | 11.87±0.60 | 10.43±0.38 |
| Coefficient of condition CF (%) | 1.76±0.08 | 1.71±0.04 |
| Survival rate SR (%) | 100.0±0.0 | 100.0±0.0 |
As can be seen from Table 2, composite micro-capsule soybean lecithin powder is added in feed, significantly improve the rate of body weight gain (WGR) of rainbow trout parr, specific growth rate (SGR), significantly reduce the feed coefficient (FCR) (P < 0.05) of rainbow trout.For other indexs, visible soybean lecithin can make the liver body ratio (HSI) of rainbow trout, dirty body ratio (VSI) and coefficient of condition (CF) decline a little, but does not occur significant difference (P > 0.05) compared with control group.
Table 3 soybean lecithin powder is on the impact of rainbow trout immune indexes
| Project | Control group | Experimental group |
| Lysozyme LZM (ug/ml) | 4.88±0.05 a | 5.59±0.21 b |
| Cat catalase (U/ml) | 0.39±0.06 a | 0.50±0.02 b |
As shown in Table 3, serum lysozyme (LZM) activity is also subject to the impact of soybean lecithin powder in feed, and control group antalzyme activity is wanted significantly lower than experimental group (P < 0.05).Catalase (CAT) activity change trend and serum lysozyme change similar (P < 0.05).Illustrate in feed and add soybean lecithin powder, effectively can improve the non-specific immunity of rainbow trout parr.
Claims (9)
1. a livestock-raising preparation method for composite micro-capsule soy lecithin powder, is characterized in that concrete steps are as follows:
(1) with the ethanol of concentration 90% (v/v), fully extraction is stirred to soyabean lecithin oil, extraction temperature 30 ~ 40 DEG C, the ratio of ethanol and soyabean lecithin oil is 3:1 (ml/g), extraction 30 ~ 60min, then centrifugation extract and insoluble matter, collects upper layer of extraction liquid; Re-extract step twice;
(2) merge twice extract, at 45 ~ 60 DEG C, under 0.08 ~ 0.06MPa vacuum, carry out decompression distillation, reclaim alcohol solvent, leave the soybean lecithin oily liquid of phosphatid ylcholine and PC >=50%;
(3) water of 7000 ~ 9000ml is heated to 65 ~ 70 DEG C, adds 5 ~ 7 grams of sodium phosphate trimers, then add the whey powder of 180 ~ 220 grams, 500 ~ 540 grams of converted starches, uniform stirring dissolves;
(4) in step (3) gained mixture, 900 ~ 1200 grams of soy lecithin oil are added, uniformly emulsify at constant temperature 60 ~ 70 DEG C, filter out solid content by 40 ~ 80 mesh sieve, remaining liquid spray dryer is dry, obtains the soybean lecithin powder of microencapsulation.
2. preparation method according to claim 1, is characterized in that acetone insoluble matter >=55% of soyabean lecithin oil described in step (1), and phosphatid ylcholine and PC value are 18%.
3. preparation method according to claim 1, it is characterized in that step (1) add in advance in lecithin materials weight 0.5 ~ 1.5%, diameter 0.7 ~ 0.9mm bead as dispersant.
4. preparation method according to claim 1, is characterized in that step (1) is for reaching the object fully stirring extraction, can use ultrasound-assisted extraction, ultrasonic power 100 ~ 150W, auxiliary extraction 6 ~ 10min.
5. preparation method according to claim 1, is characterized in that the centrifuge parameters of step (1) centrifugation extract and insoluble matter is set to 10000 ~ 13000rpm, 15 ~ 25min.
6. preparation method according to claim 1, is characterized in that step (2) uses table type circulating water vavuum pump to carry out decompression distillation.
7. preparation method according to claim 1, it is characterized in that the pressure position 50 ~ 70Mpa of step (4) described uniformly emulsify, number of times is 2 ~ 3 times.
8. preparation method according to claim 1, is characterized in that step (4) uses high-shear emulsion machine to carry out uniformly emulsify.
9. preparation method according to claim 1, is characterized in that step (4) uses laboratory spray drying tower to carry out spraying dry to soybean lecithin.
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| CN106260501A (en) * | 2016-08-08 | 2017-01-04 | 江苏曼氏生物科技股份有限公司 | A kind of microcapsule-type soybean phospholipid and preparation method |
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| CN106905359A (en) * | 2017-03-03 | 2017-06-30 | 北京华夏厚德生物科技有限公司 | A kind of preparation method for producing the refined deoiled phosphatides of medicinal high-purity phosphatid ylcholine |
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| CN106905359A (en) * | 2017-03-03 | 2017-06-30 | 北京华夏厚德生物科技有限公司 | A kind of preparation method for producing the refined deoiled phosphatides of medicinal high-purity phosphatid ylcholine |
| CN107223953A (en) * | 2017-06-16 | 2017-10-03 | 成都新柯力化工科技有限公司 | A kind of stability phosphatidylserine micro mist and preparation method for food |
| CN107223953B (en) * | 2017-06-16 | 2019-12-17 | 盐城顶益食品有限公司 | Stable phosphatidylserine micro powder for food and preparation method thereof |
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Application publication date: 20151028 |