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Preparation method of phytosterol ester microcapsules

A technology of phytosterol esters and microcapsules, which is applied in the field of oil deep processing, can solve the problems of application limitation, industrialization and immature market application, etc., achieve good nutritional content and biological activity, facilitate transportation and storage, and expand the application range.

Inactive Publication Date: 2013-11-27
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application of oily phytosterol esters in beverages, milk and other liquid foods is still greatly limited
So far, phytosterol ester microcapsules have not been put into production practice on a large scale, and their industrialization and market application are still immature.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment l

[0034] The preparation method of phytosterol ester microcapsules is as follows:

[0035] 1. Preparation of aqueous wall material solution:

[0036] Weigh and dissolve gum arabic in 500mL deionized water at a temperature of 60°C, add maltodextrin to dissolve, let it stand in a water bath at a temperature of 60°C for 30 minutes, then add sucrose ester and mix evenly to make an aqueous phase wall material solution. The mass of gum arabic in the aqueous wall material solution is 32.33g (its mass fraction is 4.31%), the mass of maltodextrin is 48.53g (its mass fraction is 6.47%), and the mass of sucrose ester is 6.00g (its mass fraction 0.8%);

[0037] The mass fraction of each component=[the mass of each component / (total solid mass+solvent mass)]×100%;

[0038] 2. Preparation of oil phase core material solution:

[0039] Add monoglyceride to phytosterol ester and mix evenly to prepare oil phase core material solution. The mass of phytosterol ester in the oil phase core materia...

Embodiment 2

[0052] The preparation method of phytosterol ester microcapsules is as follows:

[0053] 1. Preparation of aqueous wall material solution:

[0054] Weigh and dissolve gum arabic in 500mL deionized water at 60°C, add maltodextrin to dissolve, let it stand in a water bath at 60°C for 30 minutes, then add sucrose ester and mix evenly to make an aqueous phase wall material solution. The mass of gum arabic in the aqueous wall material solution is 77.48g (its mass fraction is 10.33%), the mass of maltodextrin is 77.48g (its mass fraction is 10.33%), and the mass of sucrose ester is 14.03g (its mass fraction is 1.87%);

[0055] 2. Preparation of oil phase core material solution:

[0056] Add monoglyceride to phytosterol ester and mix evenly to prepare oil phase core material solution. The mass of phytosterol ester in the oil phase core material solution is 77.48g (its mass fraction is 10.33%), and the mass of monoglyceride is 3.53g (its mass fraction is 0.47%);

[0057] 3. Ultras...

Embodiment 3

[0069] The preparation method of phytosterol ester microcapsules is as follows:

[0070] 1. Preparation of aqueous wall material solution:

[0071] Weigh and dissolve gum arabic in 500mL deionized water at a temperature of 60°C, add maltodextrin to dissolve, let it stand in a water bath at a temperature of 60°C for 30 minutes, then add sucrose ester and mix evenly to make an aqueous phase wall material solution. The mass of gum arabic in the aqueous wall material solution is 36.98g (its mass fraction is 5.12%), the mass of maltodextrin is 83.21g (its mass fraction is 11.52%), and the mass of sucrose ester is 7.73g (its mass fraction is 1.07%);

[0072] 2. Preparation of oil phase core material solution:

[0073] Weigh the phytosterol ester, add monoglyceride, and mix evenly to make an oil phase core material solution. The mass of phytosterol ester in the oil phase core material solution is 92.46g (its mass fraction is 12.8%), the mass of monoglyceride is 1.95g (its mass fra...

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PUM

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Abstract

The invention relates to a preparation method for phytosterol ester microcapsules, which comprises the following steps: firstly, taking Arabic gum and maltodextrin as wall materials, adding hydrophilic emulsifier, and dissolving by heating in a water bath, so as to prepare an aqueous phase wall material solution; then adding oleophylic emulsifier into phytosterol ester to prepare an oil phase core material solution; further, mixing the core material solution and the wall material solution under the ultrasonic-assisted condition, and emulsifying and homogenizing to acquire a homogeneous emulsion system; finally spray drying the emulsion, and screening to acquire powdery homogeneous phytosterol ester microcapsule products. The phytosterol ester microcapsule products prepared through the method have embedding rate more than 94%, solubility more than 95%, and fragrance; oxidation stability of the phytosterol ester is improved, and functional activity and nutrition of the phytosterol ester are favorably conserved; meanwhile, the method enables the phytosterol ester to transform from a liquid to a more stable solid, so that shelf life is prolonged, transportation and storage are facilitated, bioavailability of the phytosterol ester is improved, and the market demand is met more satisfactorily.

Description

technical field [0001] The invention belongs to the technical field of oil deep processing, and in particular relates to a preparation method of phytosterol ester microcapsules. Background technique [0002] Phytosterol esters are obtained by esterification of phytosterols and fatty acids. Since the main components of phytosterols are β-sitosterol, stigmasterol, brassicasterol and campesterol, phytosterol esters are mainly composed of β-sitosterol esters, Composition of stigmasterol ester, brassicasterol ester and campesterol ester. Sterol esters can be absorbed by the human body and transformed into sterols and fatty acids, which have a better cholesterol-lowering effect than free phytosterols. Now it has been recognized as a functional oil with health care function, and it has been continuously developed and utilized in the fields of food and medicine. At present, phytosterol esters are mainly transported and stored in the form of barrels. Because phytosterol esters are ...

Claims

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Application Information

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IPC IPC(8): A23L1/29A23P1/04A23L33/00A23P10/30
Inventor 潘丽军廖珺姜绍通
Owner HEFEI UNIV OF TECH
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