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High-dispersion phytosterol ester microcapsule, as well as preparation method and application thereof

A phytosterol ester, high-dispersibility technology, applied in the field of high-dispersion phytosterol ester microcapsules and its preparation, can solve the problems of shape and taste restrictions, hidden dangers of raw material safety, and difficulty in achieving water solubility of phytosterols, so as to improve water solubility and loading rate, improved solubility, optimized production application and storage effects

Active Publication Date: 2015-12-09
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the methods used to improve the water solubility of phytosterols mainly include emulsion, nanoparticles, solid dispersion liposome embedding, cyclodextrin embedding, etc., but it is still difficult to achieve high water solubility of phytosterols prepared by these methods, and in There are restrictions on the appearance and taste, and some raw materials are not natural substances, which have potential safety hazards and other factors. Therefore, there are certain problems in actual production and application. It is urgent to study a simple and safe method to improve its water solubility.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Disperse lactose and soybean protein isolate in water according to the solid-to-liquid ratio (kg:kg:l) of 0.7:0.5:10, stir for 3 hours until completely dissolved, then place in the refrigerator for hydration at 4°C for 8 hours, then Centrifuge to remove insoluble matter and use it as wall material;

[0030] (2) Disperse phytosterol esters in olive oil according to the solid-to-liquid ratio (kg:kg) of 0.5:1.0, dissolve under magnetic stirring, and dissolve at a temperature of 50°C as the core material (phytosterol esters-olive oil) ;

[0031] (3) Add the core material prepared in step (2) dropwise to the wall material prepared in (1) at a temperature of 50°C and stirring, according to the ratio of core material to wall material mass ratio of 12:100 solution, and then continue to stir for 5 minutes to fully mix the core material and wall material solutions to obtain a mixed solution;

[0032] (4) Homogenize the mixed solution prepared in step (3) with a high-speed d...

Embodiment 2

[0035] (1) Disperse lactose and soybean protein isolate in water according to the solid-to-liquid ratio (kg:kg:l) of 0.7:0.5:10, stir for 2 hours until completely dissolved, then place in the refrigerator for hydration at 2°C for 7 hours, then Centrifuge to remove insoluble matter and use it as wall material;

[0036] (2) Disperse the phytosterol ester in olive oil according to the solid-to-liquid ratio (kg:kg) of 1.0:1.0, dissolve under magnetic stirring, and the dissolution temperature is 55°C, as the core material (phytosterol ester-olive oil) ;

[0037] (3) Add the core material prepared in step (2) dropwise to the wall material prepared in (1) at a temperature of 55°C and stirring, according to the mass ratio of the core material to the wall material being 10:100 solution, and then continue to stir for 8 minutes to fully mix the core material and wall material solution to obtain a mixed solution;

[0038] (4) The mixed solution prepared in step (3) is homogenized for 3 ...

Embodiment 3

[0041] (1) Disperse lactose and soybean protein isolate in water according to the solid-to-liquid ratio (kg:kg:l) of 0.25:0.5:10, stir for 3 hours until completely dissolved, then place in the refrigerator for hydration at 0°C for 10 hours, then Centrifuge to remove insoluble matter and use it as wall material;

[0042] (2) Disperse phytosterol esters in olive oil according to the solid-to-liquid ratio (kg:kg) at a ratio of 0.5:1.0, dissolve under magnetic stirring, and dissolve at a temperature of 60°C as the core material (phytosterol esters-olive oil) ;

[0043] (3) Add the core material prepared in step (2) dropwise to the wall material prepared in (1) at a temperature of 60°C and stirring, according to the ratio of core material to wall material mass ratio of 15:100 solution, and then continue to stir for 10 minutes to fully mix the core material and wall material solutions to obtain a mixed solution;

[0044] (4) The mixed solution prepared in step (3) is homogenized f...

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Abstract

The invention belongs to the technical field of food processing, and discloses a high-dispersion phytosterol ester microcapsule, as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, dispersing lactose and soy isolate protein in water, sufficiently hydrating to obtain a wall material solution; secondly, dissolving phytosterol ester in an oil phase to form a core material solution; thirdly, mixing the core material with the wall material; and finally, homogenizing the mixed liquid, performing micro-fluidization to form micro-emulsion having fine particles, and drying by spray to coat the composite wall material of the soy isolate protein and lactose with the oil phase and the phytosterol ester so as to obtain the high-dispersion phytosterol ester microcapsule. The preparation method is simple and can be used in continuous production, and the microcapsule has good water solubility and can be applied to processing preparation of foods, health-care products and medicines as an ingredient.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a highly dispersible phytosterol ester microcapsule and a preparation method and application thereof. Background technique [0002] Phytosterols are analogues of sterols and are listed as functional oils. They are off-white powders at room temperature, odorless and tasteless, and have a melting point of 130-140°C. Phytosterols in nature have dissociation and esterification properties. Studies have shown that phytosterols play an important role in inhibiting tumors, preventing heart disease, anti-cancer, preventing and treating prostate diseases, and regulating immune function. The most eye-catching is the cholesterol-lowering effect. In September 2000, the U.S. FDA has approved the food added with phytosterol and the food with phytosterol ester to use the label of "good for health", and phytosterol can be used safely in food. Phytosterol esters mainly exist i...

Claims

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Application Information

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IPC IPC(8): A23L1/30A61K9/50A61K31/56A61K47/42A61K47/26A61P35/00A61P9/00A61P13/08A61P37/02A61P3/06
CPCA61K9/5015A61K9/5052A61K31/56
Inventor 唐传核曹文君
Owner SOUTH CHINA UNIV OF TECH
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