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Preparation process of linseed oil microcapsules, and product thereof

A linseed oil and preparation technology, applied in the direction of microcapsule preparation, microsphere preparation, etc., can solve the problems of large dilution of emulsifier, low embedding rate, easy caking, etc., to avoid oil leakage, embedding High rate, the effect of increasing nutritional value

Active Publication Date: 2020-09-15
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, in the preparation of linseed oil microcapsules, the most common is to use soybean protein and maltodextrin as wall materials, but the embedding rate of linseed oil microcapsules prepared when the two are used in combination is not ideal; therefore, In the prior art, more emulsifiers are added to improve the stability of the oil-water emulsion to solve the problem of low embedding rate
However, the addition of additional emulsifier not only increases the production cost, but also the emulsifier has high dilution, and the product is easy to agglomerate when stored improperly

Method used

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  • Preparation process of linseed oil microcapsules, and product thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Weigh 1.71g soybean protein isolate (concentration in water phase is 0.564%, unless otherwise specified below, all are mass percent concentration) and 1.368g maltodextrin (concentration in water phase is 0.451%) and 0.342g Cordyceps sinensis The polysaccharide (concentration in the water phase is 0.113%) was dissolved in 300 mL of water and fully dissolved in a water bath, the temperature of the water bath was 50° C. to obtain the water phase. The mass ratio of soybean protein isolate, maltodextrin, and Cordyceps polysaccharide is 5:4:1, and the mass percentage concentration of the total wall material is 1.128%.

[0047]The water phase was sheared for 2 minutes with high-speed shearing gear 6 (12000r), and 2.56g of linseed oil (core-to-wall ratio was 0.75) was added to the water phase, and the high-speed shearing machine was sheared for 2 minutes at 6 gears (12000r) to form a uniform stable emulsion. Stir magnetically in a water bath at 40°C, add dropwise 25 wt% acetic...

Embodiment 2

[0051] Weigh 2.06g soybean protein isolate (concentration in water phase is 0.680%) and 0.618g maltodextrin (concentration in water phase is 0.204%) and 0.412g Cordyceps polysaccharide (concentration in water phase is 0.136%) to dissolve Fully dissolve in 300mL water in a water bath with a water bath temperature of 50°C to obtain an aqueous phase. The mass ratio of soybean protein isolate, maltodextrin, and Cordyceps polysaccharide is 10:3:2, and the mass percentage concentration of the total wall material is 1.02%.

[0052] Cut the water phase with high-speed shear 6 (12000r) for 2 minutes, add 1.545g linseed oil (core-to-wall ratio is 0.5) to the water phase, and shear 2min with high-speed shear 6 (12000r) to form a uniform stable emulsion. Stir magnetically in a water bath at 40°C, while stirring, add 25% acetic acid solution dropwise to adjust the pH of the system to 4.1, stir at a constant temperature for 10 minutes to obtain a suspension of linseed oil microcapsules, an...

Embodiment 3

[0055] Weigh 2.06g soybean protein isolate (concentration is 0.677% in water phase) and 1.236g maltodextrin (concentration is 0.406% in water phase) and 0.824g Cordyceps polysaccharide (concentration is 0.271% in water phase) dissolving Fully dissolve in 300mL water in a water bath with a water bath temperature of 50°C to obtain an aqueous phase. The mass ratio of soybean protein isolate, maltodextrin, and Cordyceps polysaccharide is 5:3:2, and the mass percentage concentration of the total wall material is 1.354%.

[0056] The water phase was sheared for 2 minutes with high-speed shearing gear 6 (12000r), and 3.09g of linseed oil (core-to-wall ratio was 0.75) was added to the water phase, and the high-speed shearing machine was sheared for 2 minutes at 6 gears (12000r) to form a uniform stable emulsion. Stir magnetically in a water bath at 40°C, while stirring, add 25% acetic acid solution dropwise to adjust the pH of the system to 4.1, stir at a constant temperature for 10 ...

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Abstract

The invention discloses a preparation process of linseed oil microcapsules. The preparation process comprises the following steps: (1) mixing soybean protein, maltodextrin and cordyceps polysaccharideused as wall materials with water to prepare a water phase, wherein the mass ratio of the cordyceps polysaccharide to the maltodextrin to the soybean protein is 1: (0.5-99): (0.3-100), and the mass percentage concentration of the total wall material is 0.5-2.0%; and (2) mixing the water phase with linseed oil to form a uniform and stable emulsion, adjusting the emulsion to be acidic, stirring ata constant temperature for a period of time to obtain a linseed oil microcapsule suspension, and carrying out spray drying to obtain the linseed oil microcapsules. According to the preparation process, the cordyceps polysaccharide, soybean protein and maltodextrin are mixed to serve as the wall material, so that the nutritional value of the linseed oil microcapsules is increased, and the embeddingrate of the linseed oil microcapsules is further increased under the condition of not additionally adding an emulsifier.

Description

technical field [0001] The invention relates to the technical field of embedding of linseed oil microcapsules, in particular to a preparation process of linseed oil microcapsules and a product thereof. Background technique [0002] Flaxseed oil is a dry oil obtained from flaxseeds. It is yellow and transparent and has a unique fragrance. The oil content in flaxseed is about 35% to 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 and blood pressure, improving cardiovascular and cerebrovascular diseases, and preventing diabetes, rheumatism, rheumatoid, and tumors. [0003] However, due to the high content of unsaturated fatty acids in linseed oil, linseed oil is easily oxidized and has poor solubility during storage, making it difficult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J13/04
CPCB01J13/04B01J13/043
Inventor 孙培龙田奕彤张凯航张颀宜盛佳露冯思敏
Owner ZHEJIANG UNIV OF TECH
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