Linseed oil microcapsules and preparation method thereof

A technology of linseed oil and microcapsules, which is applied in the fields of fat oil/fat refining, fat oil/fat production, and fat-containing food ingredients, etc. Emulsification and film-forming properties of the product, etc., to achieve the effects of large-scale production, good taste and flavor, and good storage stability

Inactive Publication Date: 2018-08-28
广州利众生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional methods of extracting linseed oil are leaching and pressing methods: leaching method: linseed → crushing → solvent leaching mixed oil filtration → stripping and desolventization → refining → linseed oil; pressing method: linseed → cleaning → softening → rolling Blank→steaming→pressing→crude oil filtration→refining→linseed oil; the disadvantages of the leaching method are: the residual solvent makes the color of linseed oil darker and has a special smell, and the residual solvent is not conducive to human health. And solvent leaching requires eluent, the process is complicated and cumbersome
The disadvantages of the pressing method are: residual oil rate, high cost, and high labor intensity
[0005] Chinese patent CN102934703B has reported the linseed oil microcapsule that is made up of core material and wall material, has added natural compound antioxidant in the core material, and wall material is made up of modified starch, maltodextrin and sodium caseinate, and microcapsule embedding rate is in More than 90%, the process does not contain stabilizers and emulsifiers, which affects the emulsification and film-forming properties of the product and reduces the stability of the product
The application number is 200810079237.8, which uses corn protein porous starch and corn protein starch as raw materials to prepare linolenic acid microcapsules. Microcapsules have a short shelf life and low oil content
Chinese patent CN102356880B reports that two main components in linseed, linseed oil and linseed protein, are used as microcapsule core material and wall material respectively. This method uses a single wall material to embed linseed oil, which cannot meet the requirements of microcapsule wall material. All properties, and this process does not add antioxidants to inhibit the oxidation of flaxseed microcapsules during storage, it is difficult to guarantee the shelf life of the product

Method used

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  • Linseed oil microcapsules and preparation method thereof

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Effect test

Embodiment 1

[0026] A preparation method of linseed oil microcapsules, comprising the following steps:

[0027] 1) Extraction of linseed oil by enzymatic hydrolysis: take 100g of linseed, after crushing, mix linseed with water at a mass ratio of 1:4, stir for 30-50 minutes, adjust the reaction temperature to 50-60°C, and use NaOH solution Adjust the pH to 8.5, add alkaline protease with a mass percentage of 2.0% (based on the total mass of the substrate), react for 4.5h, then adjust the temperature to 40-50°C, adjust the pH to 4.5-5.5 with HCL, add Composite cellulase with a mass percentage of 1.0-1.5% (based on the total mass of the substrate), the enzymolysis time is 4-5h, centrifuged at 3200rpm to obtain free oil 1, emulsion, hydrolyzate and slag , and then the obtained emulsion is subjected to secondary centrifugation to obtain free oil 2, and free oil 1 and free oil 2 are combined to form linseed oil, and the oil yield of linseed is 81.67%. ;

[0028] 2) Prepare the water phase: add...

Embodiment 2

[0037] A preparation method of linseed oil microcapsules, comprising the following steps:

[0038]1) Extraction of linseed oil by enzymatic hydrolysis: Take 150g of linseed, after crushing, mix linseed with water at a mass ratio of 1:5, stir for 40-60 minutes, adjust the reaction temperature to 55-65°C, and use NaOH solution Adjust the pH to 9.0, add alkaline protease with a mass percentage of 2.0% (based on the total mass of the substrate), react for 5.0 hours, then adjust the temperature to 50-60°C, adjust the pH to 5.0-6.0 with HCL, add Composite cellulase with a mass percentage of 1.2-1.7% (based on the total mass of the substrate), the enzymolysis time is 4.5-5.5h, centrifuged at 3500rpm to obtain free oil 1, emulsion, hydrolyzate and material Slag, then the obtained emulsion is subjected to secondary centrifugation to obtain free oil 2, and free oil 1 and free oil 2 are combined to form linseed oil, and the oil yield of linseed is 82.17%. ;

[0039] 2) Prepare the wate...

Embodiment 3

[0045] A preparation method of linseed oil microcapsules, comprising the following steps:

[0046] 1) Extraction of linseed oil by enzymatic hydrolysis: take 200g of linseed, after crushing, mix linseed with water at a mass ratio of 1:6, stir for 50-70 minutes, adjust the reaction temperature to 65-70°C, and use NaOH solution Adjust the pH to 9.0, add alkaline protease with a mass percentage of 2.0% (based on the total mass of the substrate), react for 6.0 hours, then adjust the temperature to 55-65°C, adjust the pH to 4.0-6.0 with HCL, add Composite cellulase with a mass percentage of 1.5-2.0% (based on the total mass of the substrate), the enzymolysis time is 5-6 hours, centrifuged at 3500rpm to obtain free oil 1, emulsion, hydrolyzate and slag , and then the obtained emulsion is subjected to secondary centrifugation to obtain free oil 2, and free oil 1 and free oil 2 are combined to form linseed oil, and the oil yield of linseed is 82.21%. ;

[0047] 2) Prepare the water ...

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Abstract

The invention discloses linseed oil microcapsules and a preparation method thereof. The preparation method comprises the following steps of (1) performing hydrolyzing and extracting by an enzyme method to obtain linseed oil; (2) preparing an aqueous phase; (3) preparing an oil phase; (4) performing high-speed cutting emulsifying on a mixture of the aqueous phase and the oil phase by a cutter; (5)performing homogenizing on obtained emulsion by a high pressure homogenizer; and (6) performing spray drying on the obtained emulsion to obtain linseed oil microcapsule granules. The linseed oil microcapsules are high in solubility, good in emulsibility, high in stability, good in film-forming properties and high in packing rate. The linseed oil microcapsules have good mouth feel and flavor, and are safe and reliable in quality; and besides, the preparation technology is simple, mass production is convenient, and the loading quantity of the obtained linseed oil microcapsule granule linseed oilcan achieve 42%, and the microcapsule entrapping rate is 90% or above.

Description

technical field [0001] The invention belongs to the technical field of food processing, in particular to a linseed oil microcapsule and a preparation method thereof. Background technique [0002] Linseed oil (linseed oil or linseed oil) is a dry oil obtained from linseed. It is yellow and transparent and has a unique fragrance. The oil content in flaxseed is about 35%-45%, of which α-linolenic acid is rich in content, which can be converted into eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in animals. Saturated fatty acids have extremely high nutritional value and important physiological functions. They have the effects of lowering blood fat, lowering blood pressure, improving cardiovascular and cerebrovascular diseases, preventing diabetes, rheumatism, rheumatoid, tumors, etc., so they have gradually attracted people's attention. [0003] However, the degree of industrial use of linseed oil is not directly proportional to its nutritional value. In my country,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/115A23L29/10A23L29/00A23L29/30A23P10/30C11B1/04C11B1/00C11B3/16
CPCA23L29/045A23L29/10A23L29/30A23L33/115A23P10/30A23V2002/00C11B1/00C11B1/04C11B3/16A23V2200/02A23V2200/222A23V2200/224A23V2200/30A23V2250/18A23V2250/1842A23V2250/51A23V2250/5432A23V2250/628A23V2250/712A23V2300/10A23V2300/26A23V2300/41
Inventor 汪芳张震梁珊葛佳佳邓凤桂
Owner 广州利众生物科技有限公司
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