CN102356880B - A kind of linseed oil microcapsule and preparation method - Google Patents
A kind of linseed oil microcapsule and preparation method Download PDFInfo
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- CN102356880B CN102356880B CN201110323890.6A CN201110323890A CN102356880B CN 102356880 B CN102356880 B CN 102356880B CN 201110323890 A CN201110323890 A CN 201110323890A CN 102356880 B CN102356880 B CN 102356880B
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Abstract
The invention belongs to linseed oil technical field of functional food, particularly a kind of linseed oil microcapsule and preparation method.In linseed oil microcapsule provided by the invention and preparation method, because two kinds of main component linseed oil in employing linseed, Lins eed protein are respectively as microcapsules core, wall material, just stable emulsion can be prepared without the need to adding emulsifying agent in emulsification preparation process, thus ensure that all raw material of linseed oil microcapsule is all derived from natural linen seed, and edible safety is reliable.Can provide with the Lins eed protein in the same source of linseed oil and maintain the high stability negative electricity repulsion of linseed oil and stereo microstructure, thus the oil content of linseed oil microcapsule product of the present invention can reach 60%, and the oil content of existing microcapsule product is generally no more than 40%, greatly extended the shelf-life of linseed oil microcapsule product.The present invention has widened flaxseed meal purposes, improves its added value, meanwhile, also for the mankind provide new high-quality protein source.
Description
One, technical field: the invention belongs to a kind of linseed oil technical field of functional food, particularly a kind of linseed oil microcapsule and preparation method.
Two, technical background: flax belongs to flax family (Linaceae), linum, annual herb plant is one of main economic crops in China, the main oil crops of Ye Shi China North China, the plantation of northwest extremely frigid zones.Linseed is the seed of flax, and domestic annual production is 500,000 tons.Linseed contains the nutritional labeling such as grease and protein, usually containing grease 31-36%, protein 22-34%.
Linseed oil, also known as linseed oil, is the oil squeezed from linseed.Linseed oil is due to containing a large amount of unrighted acids, by the impact of the factors such as light and temperature in the processes such as production and processing, storage and culinary art, easy oxidation deterioration, produce unpleasant bad smell, this not only affects its edible safety, also affect the universal of it and promote, thus finally have a strong impact on the performance of its nutrition and health care function.In addition, liquid linseed oil is difficult to be added in daily bread (as noodles, bread), also cannot be added in person in middle and old age, dispensed food for baby, makes people become a great problem to its picked-up.Just because of this, application number is the application of 200810079237.8, with the method that zein porous-starch and zein starch are raw material, produce linolenic acid microcapsule, the method complex process, cost are high, and due to zein and leukotrienes intermiscibility poor, the obtained microcapsules shelf-life is short, oil content is low.
Three, summary of the invention:
An object of the present invention is to provide a kind of novel linseed oil microcapsule product, this product has the features such as the high and edible safety of long shelf-life, oil content, and it is both direct-edible, also can be used as a kind of nutrition fortifier and is added directly in daily bread and uses; Another object of the present invention is to provide a kind of linseed oil microcapsule spray drying preparation simply, efficiently and not adding any emulsifying agent.
Technical scheme of the present invention is:
The preparation method of linseed oil microcapsule of the present invention, comprises the steps:
(1) Lins eed protein is produced: by 60-80 order degreasing flaxseed meal and water 1: 8-15 mixing in mass ratio, by alkali adjust ph to 9-11, at temperature 50-60 DEG C of lixiviate 1-3 hour, centrifugation; With acid, the pH value of extract is adjusted to 4.5-4.8, centrifugation obtains albumen, and it is in the aqueous solution of 7.0-8.0 that above-mentioned centrifugal gained albumen is dissolved in pH value again, and spraying or freeze drying obtain content more than 90% Lins eed protein, for subsequent use.
(2) emulsion preparation: by linseed oil, Lins eed protein and water by the mixing of certain mass ratio, wherein, the mass ratio of linseed oil, Lins eed protein is 3: 2-12, the quality of water be linseed oil, Lins eed protein gross mass 8-15 doubly, after stirring 20-40 minute at temperature 50-60 DEG C, be 25-40MPa high-pressure homogeneous process 20-40 minute through pressure, obtainedly stablize linseed oil-Lins eed protein stable emulsion.
(3) spraying dry: by above-mentioned emulsion under certain condition spraying dry dewater and make linseed oil microcapsule.Spray drying parameters is: feeding temperature is 50-70 DEG C, and EAT is 160-220 DEG C, leaving air temp 70-90 DEG C, the particle profile comparatively rounding of gained linseed oil microcapsule, smooth surface, and size distribution is comparatively even, good stability, long shelf-life.
Tool of the present invention has the following advantages:
(1) in linseed oil microcapsule provided by the invention and preparation method, because two kinds of main component linseed oil in employing linseed, Lins eed protein are respectively as microcapsules core, wall material, compatibility is just fine originally in natural linen seed for linseed oil and Lins eed protein, just stable emulsion can be prepared without the need to adding emulsifying agent in emulsification preparation process, thus ensure that all raw material of linseed oil microcapsule is all derived from natural linen seed, and edible safety is reliable.
(2) can provide with the Lins eed protein in the same source of linseed oil and maintain the high stability negative electricity repulsion of linseed oil and stereo microstructure, thus the oil content of linseed oil microcapsule product of the present invention can reach 60%, and the oil content of existing microcapsule product is generally no more than 40%, simultaneously, because linseed oil is closely wrapped among Lins eed protein, the shelf-life of linseed oil microcapsule product is extended greatly, more than 2 years can be reached.These are technological innovation parts of the present invention.
(3) the present invention has widened flaxseed meal purposes, improves its added value, meanwhile, also for the mankind provide new high-quality protein source.
Four, specific embodiments:
Embodiment has three, and it is the embodiment of linseed oil microcapsule product, is again the embodiment of linseed oil microcapsule preparation method,
Embodiment 1:(mono-) Lins eed protein produces: by 60 order degreasing flaxseed meals and water 1: 15 mixing in mass ratio, by alkali adjust ph to 9, temperature 50 C lixiviate 3 hours, centrifugation; With acid, the pH value of extract is adjusted to 4.5, centrifugation obtains albumen; It is in the aqueous solution of 8.0 that above-mentioned centrifugal gained albumen is dissolved in pH value again, and spraying or freeze drying obtain the Lins eed protein of content 91%, for subsequent use.
(2) emulsion preparation: by linseed oil, Lins eed protein and water by the mixing of certain mass ratio, wherein, the mass ratio 1: 4 of linseed oil and Lins eed protein, the quality of water is 8 times of linseed oil and Lins eed protein gross mass, after temperature 50 C stirs 20 minutes, be the high-pressure homogeneous process of 40MPa 40 minutes through pressure, obtainedly stablize linseed oil-Lins eed protein stable emulsion.
(3) spraying dry: above-mentioned emulsion is spray dried to linseed oil microcapsule under certain condition.Spray drying parameters is: feeding temperature is 50 DEG C, and EAT is 160 DEG C, leaving air temp 70 DEG C.The particle profile comparatively rounding of gained linseed oil microcapsule, smooth surface, size distribution is comparatively even, good stability, long shelf-life.
Embodiment 2:(mono-) Lins eed protein produces: by 80 order degreasing flaxseed meals and water 1: 8 mixing in mass ratio, by alkali adjust ph to 11, temperature 60 C lixiviate 1 hour, centrifugation; With acid, the pH value of extract is adjusted to 4.8, centrifugation obtains albumen; It is in the aqueous solution of 7.0 that above-mentioned centrifugal gained albumen is dissolved in pH value again, and spraying or freeze drying obtain the Lins eed protein of content 99%, for subsequent use.
(2) emulsion preparation: by linseed oil, Lins eed protein and water by the mixing of certain mass ratio, wherein, the mass ratio 3: 2 of linseed oil and Lins eed protein, the quality of water is 15 times of linseed oil and Lins eed protein gross mass, after temperature 60 C stirs 40 minutes, be the high-pressure homogeneous process of 25MPa 20 minutes through pressure, obtainedly stablize linseed oil-Lins eed protein stable emulsion.
(3) spraying dry: above-mentioned emulsion is spray dried to linseed oil microcapsule under certain condition.Spray drying parameters is: feeding temperature is 70 DEG C, and EAT is 220 DEG C, leaving air temp 90 DEG C.The particle profile comparatively rounding of gained linseed oil microcapsule, smooth surface, size distribution is comparatively even, good stability, long shelf-life.
Embodiment 3:(mono-) Lins eed protein produces: by 70 order degreasing flaxseed meals and water 1: 10 mixing in mass ratio, by alkali adjust ph to 10, temperature 55 DEG C of lixiviates 2 hours, centrifugation; With acid, the pH value of extract is adjusted to 4.6, centrifugation obtains albumen; It is in the aqueous solution of 7.5 that above-mentioned centrifugal gained albumen is dissolved in pH value again, and spraying or freeze drying obtain the Lins eed protein of content 98%, for subsequent use.
(2) emulsion preparation: by linseed oil, Lins eed protein and water by the mixing of certain mass ratio, wherein, the mass ratio 3: 8 of linseed oil and Lins eed protein, the quality of water is 12 times of linseed oil and Lins eed protein gross mass, after temperature 55 DEG C stirs 30 minutes, be the high-pressure homogeneous process of 33MPa 30 minutes through pressure, obtainedly stablize linseed oil-Lins eed protein stable emulsion.
(3) spraying dry: above-mentioned emulsion is spray dried to linseed oil microcapsule under certain condition.Spray drying parameters is: feeding temperature is 60 DEG C, and EAT is 190 DEG C, leaving air temp 80 DEG C.The particle profile comparatively rounding of gained linseed oil microcapsule, smooth surface, size distribution is comparatively even, good stability, long shelf-life.
Claims (1)
1. a linseed oil microcapsule, is characterized in that: it is obtained by following extraction process step:
(1) Lins eed protein is produced: by 60-80 order degreasing flaxseed meal and water 1: 8-15 mixing in mass ratio, by alkali adjust ph to 9-11, at temperature 50-60 DEG C of lixiviate 1-3 hour, centrifugation, with acid, the pH value of extract is adjusted to 4.5-4.8, centrifugation obtains albumen, and it is in the aqueous solution of 7.0-8.0 that above-mentioned centrifugal gained albumen is dissolved in pH value again, spraying or freeze drying obtain content more than 90% Lins eed protein, for subsequent use;
(2) emulsion preparation: by linseed oil, Lins eed protein and water by the mixing of certain mass ratio, wherein, the mass ratio of linseed oil, Lins eed protein is 3: 2-12, the quality of water be linseed oil, Lins eed protein gross mass 8-15 doubly, after stirring 20-40 minute at temperature 50-60 DEG C, be 25-40MPa high-pressure homogeneous process 20-40 minute through pressure, obtainedly stablize linseed oil-Lins eed protein stable emulsion;
(3) spraying dry: spray drying parameters is: feeding temperature is 50-70 DEG C, EAT is 160-220 DEG C, leaving air temp 70-90 DEG C.
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| CN201110323890.6A CN102356880B (en) | 2011-10-24 | 2011-10-24 | A kind of linseed oil microcapsule and preparation method |
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| CN102356880B true CN102356880B (en) | 2016-02-17 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102934703B (en) * | 2012-11-13 | 2015-07-15 | 中国食品发酵工业研究院 | Flaxseed oil microcapsule and production method thereof |
| CN103238675A (en) * | 2013-05-06 | 2013-08-14 | 中国林业科学研究院亚热带林业研究所 | Preparation method of camellia oleosa seed oil and linseed oil compound microcapsules |
| CN104982930A (en) * | 2015-06-24 | 2015-10-21 | 芦冰 | Novel linseed oil microcapsule powder and preparation method thereof |
| CN105029409A (en) * | 2015-06-24 | 2015-11-11 | 芦冰 | Flaxseed oil microcapsule powder and preparation method thereof |
| CN105671663B (en) * | 2016-01-31 | 2017-12-08 | 青岛邦特生态纺织科技有限公司 | A kind of preparation method and applications of nettle extract protein compound additive |
| CN108782941A (en) * | 2018-06-01 | 2018-11-13 | 浙江健智元生物科技有限公司 | One preparation method for growing flax protein isolate |
| CN108968079A (en) * | 2018-07-16 | 2018-12-11 | 南京财经大学 | A kind of edibility rapeseed protein lotion and preparation method thereof |
| CN108892705A (en) * | 2018-07-20 | 2018-11-27 | 广州利众生物科技有限公司 | A kind of method of ultrasound assisted extraction Lins eed protein |
| CN115553466B (en) * | 2022-09-30 | 2024-05-31 | 南京益唯森生物科技有限公司 | Nitraria seed oil microcapsule powder containing flax polypeptide and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312071A (en) * | 2001-01-17 | 2001-09-12 | 大连金州北乐生物技术研究所 | Linolic acid and linolenic acid capsule and its making process |
| CN101336905A (en) * | 2008-08-19 | 2009-01-07 | 山西中大科技有限公司 | Production method of alpha-linolenic acid microcapsule |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312071A (en) * | 2001-01-17 | 2001-09-12 | 大连金州北乐生物技术研究所 | Linolic acid and linolenic acid capsule and its making process |
| CN101336905A (en) * | 2008-08-19 | 2009-01-07 | 山西中大科技有限公司 | Production method of alpha-linolenic acid microcapsule |
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