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Conjugated linoleic acid embedded microcapsule preparation method

A conjugated linoleic acid and microcapsule technology, which is applied in food preparation, function of food ingredients, food science, etc., can solve the problems of easy auto-oxidative physiological activity and decrease of conjugated linoleic acid, and achieve excellent emulsion stability. , avoided losses, the effect of inhibiting erosion

Inactive Publication Date: 2015-12-23
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of the present invention provides a new type of embedding wall material, which improves the oxidation stability of conjugated linoleic acid, and has the function of slow and controlled release, thereby solving the problem that conjugated linoleic acid is easy to be automatically oxidized and its inability to enter the human small intestine It can be used as a nutritional fortifier to add functional nutritional fortified foods and staple foods to solve the problem of reduced physiological activity

Method used

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  • Conjugated linoleic acid embedded microcapsule preparation method
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  • Conjugated linoleic acid embedded microcapsule preparation method

Examples

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Embodiment 1

[0028] A preparation method of microcapsules embedding conjugated linoleic acid, the method uses starch octenyl succinate and xanthan gum as main raw materials, and the specific steps are as follows:

[0029] (1) Evenly disperse 0.4455g xanthan gum in 506.25g water, stir for 60min, make the colloid disperse evenly, and prepare the colloid solution;

[0030] (2) take by weighing 44.55g octenyl succinic acid starch ester (OSA starch), add the colloidal solution that step (1) makes, stir and make sample mix homogeneously, make the octenyl succinic acid starch ester and xanthan gum Compound solution; the mass ratio of starch octenyl succinate and xanthan gum is 100:1;

[0031] (3) Add 11.25g conjugated linoleic acid in the compound solution that step (2) makes, use high-speed shearing machine high-speed shear to obtain coarse emulsion, high-pressure homogenization obtains emulsion; The high-speed shear The speed is 20000r / min, the shear time is 2min; the pressure of the high-pres...

Embodiment 2

[0034] A preparation method of microcapsules embedding conjugated linoleic acid, the method uses starch octenyl succinate and xanthan gum as main raw materials, the specific steps are the same as in Example 1, and the difference is: the amount of xanthan gum The amount of starch octenyl succinate is 0.3719g, and the amount of starch octenyl succinate is 44.63g; that is, the mass ratio of starch octenyl succinate to xanthan gum is 120:1.

Embodiment 3

[0036] A preparation method of microcapsules embedding conjugated linoleic acid, the method uses starch octenyl succinate and xanthan gum as main raw materials, and the specific steps are as follows:

[0037] (1) Evenly disperse 0.4455g xanthan gum in 506.25g water, stir for 90min, make the colloid disperse evenly, and prepare the colloid solution;

[0038] (2) Take by weighing 44.55g octenyl succinic acid starch ester, add the colloidal solution that step (1) makes, stir and make sample mix homogeneously, make the composite solution of octenyl succinic acid starch ester and xanthan gum ; The mass ratio of starch octenyl succinate and xanthan gum is 100:1;

[0039] (3) Add 11.25g conjugated linoleic acid in the compound solution that step (2) makes, use high-speed shearing machine high-speed shear to obtain coarse emulsion, high-pressure homogenization obtains emulsion; The high-speed shear The speed is 11000r / min, the shear time is 4min; the pressure of the high-pressure hom...

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Abstract

The present invention discloses a conjugated linoleic acid embedded microcapsule preparation method which uses octenyl succinic anhydride starch esters and hydrophilic colloids as main raw materials and comprises the following specific steps: firstly, the hydrophilic colloids are uniformly dispersed in water to be prepared into a colloidal solution; then the octenyl succinic anhydride starch esters are added into the colloidal solution to prepare a compound solution of the octenyl succinic anhydride starch esters and the hydrophilic colloids; then conjugated linoleic acids are added into the compound solution to prepare an emulsion; and finally the emulsion is subjected to spray drying to prepare the embedded conjugated linoleic acid microcapsules. The method provides a novel embedding wall material, which improves the oxidative stability of the conjugated linoleic acids, and has a slow-release function, and thus solves the problems that the conjugated linoleic acids are easy for auto-oxidation and low in physiological activity before entering into human body small intestines, and the microcapsule can be used as a nutritional fortifier to be added into functionally and nutritionally fortified food and staple food.

Description

technical field [0001] The invention relates to the technical field of functional food additives, in particular to a method for embedding conjugated linoleic acid and preparing microcapsules by using a compound system of octenyl succinate starch ester and hydrophilic colloid. Background technique [0002] Conjugated linoleic acid (CLA) is the general term for the isomers of octadecadienoic acid, which can prevent and control diabetes, osteoporosis, cardiovascular disease, hypertension, arteriosclerosis, cancer and other diseases , but also has nutritional function; but its water solubility is poor, it is easily oxidized by environmental factors such as heat, light, and pH, and its main absorption site is in the small intestine of the human body, but it is often lost or reduced before being absorbed and utilized by the small intestine of the human body. Its physiological activity, therefore, requires a carrier with anti-oxidation and slow-release or controlled-release functio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/29
CPCA23V2002/00A23V2200/30A23V2250/5086A23V2250/5036A23V2250/5072A23V2250/5028
Inventor 洪雁顾正彪程力李兆丰李才明何慧子
Owner JIANGNAN UNIV
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