CN105231333A - Preparation method of DHA nutrient emulsion - Google Patents
Preparation method of DHA nutrient emulsion Download PDFInfo
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- CN105231333A CN105231333A CN201510769174.9A CN201510769174A CN105231333A CN 105231333 A CN105231333 A CN 105231333A CN 201510769174 A CN201510769174 A CN 201510769174A CN 105231333 A CN105231333 A CN 105231333A
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Abstract
The invention relates to a preparation method of a DHA nutrient emulsion, and belongs to the technology of food processing. The method comprises the following steps:(1) adding water to lactalbumin, mixing the lactalbumin and the water so as to obtain an albumen solution, then adding NaHCO3 and an edible spice, uniformly stirring and mixing the albumen solution, the NaHCO3 and the edible spice so as to obtain a mixture, and leaving the mixture to stand for a night so as to obtain an aqueous phase; (2) adding an antioxidant to DHA fish oil, and uniformly mixing the DHA fish oil and the antioxidant so as to obtain an oil phase; (3) sufficiently mixing the aqueous phase and the oil phase so as to obtain a mixed phase, and stirring the mixed phase at a high speed so as to obtain first milk; and (4) performing heat treatment on the first milk, performing high-pressure homogenizing treatment, then performing high-pressure micro jet homogenizing treatment, and then performing micro filtration and sterilization so as to obtain the DHA nutrient emulsion. The method has the characteristics of simple technology and low cost; the prepared DHA nutrient emulsion is high in stability, has the effects of promoting the development of brain cells, preventing cardiovascular diseases, improving immunity and the like, and can be applied to industrial production in certain scale.
Description
Technical field
The invention belongs to foods processing technique, relate generally to a kind of preparation method of DHA nutritional emulsions.
Background technology
DHA is one of the brain development of people, the important substance of growth, a kind of Major Nutrient material being nervous system cell growth and maintaining, also be brain and amphiblestroid important composition composition, in human brain cortex, content is up to 20%, in eye retina, proportion is maximum, account for 50%, therefore, to tire infant intelligence and visual acuity most important.DHA, as a kind of essential fatty acid, not only has material impact to fetal brain development, and plays an important role to the maturation of retina light sensitive cells.DHA can kill cancer cell, and the toxicity ratio DHA produced by DHA derivative itself more can kill cancer cell effectively.DHA can suppress the formation of inflammation precursor, so have antiinflammation.Due to advancing age, the DHA in brain will reduce gradually, that is easily causes the degeneration of brain function, and even so, DHA still has the strength of the brain cell activate making to be left, and improves memory and learning ability fully.At present, the commercially available product being rich in DHA exists mainly with the form of soft capsule, and the DHA product that market is sold mainly for be infant and the elderly colony, compared to software capsule, fluid emulsion more contributes to the edible of consumer groups and absorbs, and thus this product also has wide prospect for sales.
DHA is unrighted acid, is no matter the DHA in that source, is all easy to oxidized, thus produces harm to human body.At present, generally adopt citric acid, ascorbic acid or Rosmarinus officinalis extract to make antioxidant to prevent the oxidation of DHA both at home and abroad, but effect is not fairly obvious.And research shows that red astaxanthin is that nature finds therefore to add the strongest antioxidant the preservation that astaxanthin is more conducive to product in emulsion, have wide market prospects up to now.
Contain the emulsion of DHA at present substantially based on DHA, there is the problem that nutritional labeling is more single, the needs of people can not be met.Lactalbumin is called as the king of albumen, is a kind of protein extracted from milk, have be of high nutritive value, absorption easy to digest, containing features such as various active compositions, be one of generally acknowledged human body good protein replenishers.Be, while emulsifying agent promotes DHA emulsification, greatly can improve the nutritive value of product with lactalbumin.These advantage and disadvantages make it industrially, and the application especially in food service industry has more vast potential for future development.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of preparation method of DHA nutritional emulsions, reaches the object of Simplified flowsheet, Reaction time shorten, raising product nutritive value.
Technical problem to be solved by this invention is achieved through the following technical solutions:
A preparation method for DHA nutritional emulsions, the method comprises the following steps: lactalbumin to add water mixing, is made into the protein solution of 2%, then adds the NaHCO of 0.5% by (1)
3with the edible spices of 1200ppm, fully stir and evenly mix rear hold over night and obtain aqueous phase; (2) in DHA fish oil, add the antioxidant astaxanthin of 1%, after mixing, obtain oil phase; (3) carry out high-speed stirred after fully being mixed with oil phase by aqueous phase, described speed of agitator is 12000r/min, and mixing time is 20min, forms colostrum after high-speed stirred; (4) colostrum is heat-treated, described heat treatment temperature is 60-80 DEG C, heat treatment time is 10-30min, the process of heat treatment laggard horizontal high voltage homogeneous, described homogenization pressure is 20-40MPa, and homogenizing time is 2-10min, and then carry out the process of high pressure microjet homogeneous, described microjet homogenization pressure is 80-120MPa, and microjet homogenizing time is 1-5min, carries out micro-filtration, sterilizing and namely obtain DHA nutritional emulsions after microjet homogeneous.
Described heat treatment preferred parameter is: heat treatment temperature 70 DEG C, heat treatment time 15min.
Described high-pressure homogeneous preferred parameter is: homogenization pressure 35MPa, homogenizing time 6min.
Described high pressure microjet homogeneous preferred parameter is: microjet homogenization pressure 100MPa, microjet homogenizing time 3min.
This method, using lactalbumin as emulsifying agent, adopts heat treatment associating high-pressure emulsification legal system for DHA nutritional emulsions.By high-speed stirred, high-pressure homogeneous, the laddering emulsification of high pressure microjet homogeneous, can form high stable DHA emulsion, albumen mass-energy improves the nutritive value of emulsion greatly simultaneously.The method has the advantages that technique is simple, cost is low, obtained DHA nutritional emulsions stability is high, there is effects such as promoting brain cell is grown, raising memory, reduction blood fat, angiocardiopathy preventing, develop immunitypty, can be applicable to the industrial production of certain scale.
Detailed description of the invention
A preparation method for DHA nutritional emulsions, the method comprises the following steps: lactalbumin to add water mixing, is made into the protein solution of 2%, then adds the NaHCO of 0.5% by (1)
3with the edible spices of 1200ppm, fully stir and evenly mix rear hold over night and obtain aqueous phase; (2) in DHA fish oil, add the antioxidant astaxanthin of 1%, after mixing, obtain oil phase; (3) carry out high-speed stirred after fully being mixed with oil phase by aqueous phase, described speed of agitator is 12000r/min, and mixing time is 20min, forms colostrum after high-speed stirred; (4) colostrum is heat-treated, described heat treatment temperature is 60-80 DEG C, heat treatment time is 10-30min, the process of heat treatment laggard horizontal high voltage homogeneous, described homogenization pressure is 20-40MPa, and homogenizing time is 2-10min, and then carry out the process of high pressure microjet homogeneous, described microjet homogenization pressure is 80-120MPa, and microjet homogenizing time is 1-5min, carries out micro-filtration, sterilizing and namely obtain DHA nutritional emulsions after microjet homogeneous.
Described heat treatment preferred parameter is: heat treatment temperature 70 DEG C, heat treatment time 15min.
Described high-pressure homogeneous preferred parameter is: homogenization pressure 35MPa, homogenizing time 6min.
Described high pressure microjet homogeneous preferred parameter is: microjet homogenization pressure 100MPa, microjet homogenizing time 3min.
Embodiment 1:
Add water lactalbumin mixing, is made into the protein solution of 2%, then adds the NaHCO of 0.5%
3with the edible spices of 1200ppm, fully stir and evenly mix rear hold over night and obtain aqueous phase; In DHA fish oil, add the antioxidant astaxanthin of 1%, after mixing, obtain oil phase; Aqueous phase is fully mixed with oil phase, under rotating speed is 12000r/min, carries out high-speed stirred 20min forms colostrum, at temperature is 70 DEG C, 15min is heat-treated to colostrum, under pressure is 35MPa, high-pressure homogeneous 6min is carried out after heat treatment, then under pressure is 100MPa, carries out high pressure microjet homogeneous 3min, carries out micro-filtration, sterilizing after microjet homogeneous and namely obtain DHA nutritional emulsions.The DHA nutritional emulsions stability that the method obtains is high, has effects such as promoting brain cell is grown, raising memory, reduction blood fat, angiocardiopathy preventing, develop immunitypty, can be applicable to the industrial production of certain scale.
Embodiment 2:
Add water lactalbumin mixing, is made into the protein solution of 2%, then adds the NaHCO of 0.5%
3with the edible spices of 1200ppm, fully stir and evenly mix rear hold over night and obtain aqueous phase; In DHA fish oil, add the antioxidant astaxanthin of 1%, after mixing, obtain oil phase; Aqueous phase is fully mixed with oil phase, under rotating speed is 12000r/min, carries out high-speed stirred 20min forms colostrum, at temperature is 75 DEG C, 10min is heat-treated to colostrum, under pressure is 30MPa, high-pressure homogeneous 8min is carried out after heat treatment, then under pressure is 90MPa, carries out high pressure microjet homogeneous 4min, carries out micro-filtration, sterilizing after microjet homogeneous and namely obtain DHA nutritional emulsions.The DHA nutritional emulsions stability that the method obtains is high, has effects such as promoting brain cell is grown, raising memory, reduction blood fat, angiocardiopathy preventing, develop immunitypty, can be applicable to the industrial production of certain scale.
Embodiment 3:
Add water lactalbumin mixing, is made into the protein solution of 2%, then adds the NaHCO of 0.5%
3with the edible spices of 1200ppm, fully stir and evenly mix rear hold over night and obtain aqueous phase; In DHA fish oil, add the antioxidant astaxanthin of 1%, after mixing, obtain oil phase; Aqueous phase is fully mixed with oil phase, under rotating speed is 12000r/min, carries out high-speed stirred 20min forms colostrum, at temperature is 65 DEG C, 20min is heat-treated to colostrum, under pressure is 40MPa, high-pressure homogeneous 4min is carried out after heat treatment, then under pressure is 110MPa, carries out high pressure microjet homogeneous 2min, carries out micro-filtration, sterilizing after microjet homogeneous and namely obtain DHA nutritional emulsions.The DHA nutritional emulsions stability that the method obtains is high, has effects such as promoting brain cell is grown, raising memory, reduction blood fat, angiocardiopathy preventing, develop immunitypty, can be applicable to the industrial production of certain scale.
Claims (4)
1. a preparation method for DHA nutritional emulsions, is characterized in that the method comprises the following steps: lactalbumin to add water mixing, is made into the protein solution of 2%, then adds the NaHCO of 0.5% by (1)
3with the edible spices of 1200ppm, fully stir and evenly mix rear hold over night and obtain aqueous phase; (2) in DHA fish oil, add the antioxidant astaxanthin of 1%, after mixing, obtain oil phase; (3) carry out high-speed stirred after fully being mixed with oil phase by aqueous phase, described speed of agitator is 12000r/min, and mixing time is 20min, forms colostrum after high-speed stirred; (4) colostrum is heat-treated, described heat treatment temperature is 60-80 DEG C, heat treatment time is 10-30min, the process of heat treatment laggard horizontal high voltage homogeneous, described homogenization pressure is 20-40MPa, and homogenizing time is 2-10min, and then carry out the process of high pressure microjet homogeneous, described microjet homogenization pressure is 80-120MPa, and microjet homogenizing time is 1-5min, carries out micro-filtration, sterilizing and namely obtain DHA nutritional emulsions after microjet homogeneous.
2. the preparation method of a kind of DHA nutritional emulsions according to claim 1, is characterized in that described heat treatment preferred parameter is: heat treatment temperature 70 DEG C, heat treatment time 15min.
3. the preparation method of a kind of DHA nutritional emulsions according to claim 1, is characterized in that described high-pressure homogeneous preferred parameter is: homogenization pressure 35MPa, homogenizing time 6min.
4. the preparation method of a kind of DHA nutritional emulsions according to claim 1, is characterized in that described high pressure microjet homogeneous preferred parameter is: microjet homogenization pressure 100MPa, microjet homogenizing time 3min.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106072623A (en) * | 2016-07-09 | 2016-11-09 | 东北农业大学 | A kind of preparation method of composite Nano emulsion |
| CN106174123A (en) * | 2016-07-09 | 2016-12-07 | 东北农业大学 | A kind of preparation method of plant sterol ester functional latex |
| CN106912769A (en) * | 2017-03-06 | 2017-07-04 | 江南大学 | A kind of bacteria reducing method based on high pressure microchannel fluidics |
| CN107969506A (en) * | 2017-11-29 | 2018-05-01 | 山东禹王制药有限公司 | A kind of high stability fish oil breast for improving glycometabolism and preparation method thereof |
| CN110742862A (en) * | 2019-11-14 | 2020-02-04 | 厦门昶科生物工程有限公司 | Astaxanthin emulsion and preparation method thereof |
| CN113068831A (en) * | 2021-04-02 | 2021-07-06 | 江西师范大学 | High internal phase beta-carotene nanoemulsion and preparation method and application thereof |
| CN113197316A (en) * | 2021-05-21 | 2021-08-03 | 江南大学 | Double-functional bean-source polypeptide and preparation method thereof |
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| CN101971881A (en) * | 2010-09-07 | 2011-02-16 | 浙江大学 | Red date diglyceride micro milk beverage and preparation method thereof |
| CN103141576A (en) * | 2013-02-27 | 2013-06-12 | 东北农业大学 | Liquid milk applicable to baby from newborn to six months and preparation method thereof |
| CN103416759A (en) * | 2012-05-24 | 2013-12-04 | 内蒙古蒙牛乳业（集团）股份有限公司 | DHA emulsion, preparation method thereof and applications thereof in UHT liquid milk |
| CN104039159A (en) * | 2012-01-11 | 2014-09-10 | 帝斯曼知识产权资产管理有限公司 | Organic emulsion comprising DHA and EPA |
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- 2015-11-12 CN CN201510769174.9A patent/CN105231333A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101971881A (en) * | 2010-09-07 | 2011-02-16 | 浙江大学 | Red date diglyceride micro milk beverage and preparation method thereof |
| CN104039159A (en) * | 2012-01-11 | 2014-09-10 | 帝斯曼知识产权资产管理有限公司 | Organic emulsion comprising DHA and EPA |
| CN103416759A (en) * | 2012-05-24 | 2013-12-04 | 内蒙古蒙牛乳业（集团）股份有限公司 | DHA emulsion, preparation method thereof and applications thereof in UHT liquid milk |
| CN103141576A (en) * | 2013-02-27 | 2013-06-12 | 东北农业大学 | Liquid milk applicable to baby from newborn to six months and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106072623A (en) * | 2016-07-09 | 2016-11-09 | 东北农业大学 | A kind of preparation method of composite Nano emulsion |
| CN106174123A (en) * | 2016-07-09 | 2016-12-07 | 东北农业大学 | A kind of preparation method of plant sterol ester functional latex |
| CN106912769A (en) * | 2017-03-06 | 2017-07-04 | 江南大学 | A kind of bacteria reducing method based on high pressure microchannel fluidics |
| CN107969506A (en) * | 2017-11-29 | 2018-05-01 | 山东禹王制药有限公司 | A kind of high stability fish oil breast for improving glycometabolism and preparation method thereof |
| CN110742862A (en) * | 2019-11-14 | 2020-02-04 | 厦门昶科生物工程有限公司 | Astaxanthin emulsion and preparation method thereof |
| CN113068831A (en) * | 2021-04-02 | 2021-07-06 | 江西师范大学 | High internal phase beta-carotene nanoemulsion and preparation method and application thereof |
| CN113197316A (en) * | 2021-05-21 | 2021-08-03 | 江南大学 | Double-functional bean-source polypeptide and preparation method thereof |
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Application publication date: 20160113 |