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High-content alpha-linolenic acid microcapsule and manufacturing method thereof

A manufacturing method and technology of linolenic acid, applied in food preparation, food shaping, food science, etc., can solve the problems of low embedding rate, low total fat content, high surface oil content, etc., and achieve the effect of expanding the scope of application

Active Publication Date: 2013-12-25
河北欣奇典生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a high-content α-linolenic acid microcapsule and its manufacturing method to solve the shortcomings of traditional microcapsule products such as low embedding rate, low total fat content, and high surface oil content.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Weigh 1 weight of linseed gum and add it to 1000 weights of water, stir at 60°C to dissolve it, cool down to 20°C, add 100 weights of free α-linolenic acid with a content of 80% while stirring, at 10,000 rpm emulsify for 2 minutes, mix it evenly, and set aside. 80 weight of sodium starch octenyl succinate is dissolved in 454 weight of hot water, cooled to 20°C. Slowly add the prepared α-linolenic acid emulsion into the starch liquid while stirring, emulsify at 10,000 rpm for 5 minutes, and homogenize the colostrum under 40MPa pressure twice to form a white emulsion. Finally, the white emulsion was spray-dried under the conditions that the inlet air temperature was 170°C, the outlet air temperature was 60°C, and the rotational speed of the atomizer was 280r / min. The white α-linolenic acid microcapsules can be obtained, the total fatty acid (W / W) is 55%, the water content is 1.0%, the surface oil is 0.9%, and the α-linolenic acid content is 440mg / g.

Embodiment 2

[0027] Weigh 0.24 weight of linseed gum and add 24 weights of water, stir at 80°C to dissolve it, cool to 40°C, add 120 weights of free α-linolenic acid with a content of 84% while stirring, at 10000 rpm min emulsified for 3 min, mixed evenly, and set aside. Dissolve 100 weight of sodium starch octenyl succinate in 150 weight of hot water and cool to 40°C. Slowly add the prepared α-linolenic acid emulsion into the starch solution while stirring, emulsify at 10,000 rpm for 10 minutes, and homogenize the colostrum under 40MPa pressure twice to form a white emulsion. Finally, the white emulsion was spray-dried under the conditions that the inlet air temperature was 220°C, the outlet air temperature was 80°C, and the rotational speed of the atomizer was 400r / min. The white α-linolenic acid microcapsules can be obtained, the total fatty acid (W / W) is 54%, the moisture is 0.4%, the surface oil is 1.6%, and the α-linolenic acid content is 453mg / g.

Embodiment 3

[0029] Weigh 0.4 weight of linseed gum and add it to 200 weight of water, stir at 70°C to dissolve it, cool down to 30°C, add 100% by weight of free α-linolenic acid with a content of 80% while stirring, at 10000 rpm emulsify for 1 min, make it evenly mixed, and set aside. Dissolve 100 weight of sodium starch octenyl succinate in 400 weight of hot water and cool to 30°C. Slowly add the prepared α-linolenic acid emulsion into the starch liquid while stirring, emulsify at 10,000 rpm for 10 minutes, and homogenize the colostrum twice under high pressure at 50 MPa to form a white emulsion. Finally, the white emulsion was spray-dried under the conditions that the inlet air temperature was 180°C, the outlet air temperature was 70°C, and the rotational speed of the atomizer was 300r / min. The white α-linolenic acid microcapsules can be obtained, the total fatty acid (W / W) is 50%, the water content is 0.8%, the surface oil is 1.3%, and the α-linolenic acid content is 400mg / g.

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Abstract

The invention discloses a high-content alpha-linolenic acid microcapsule and a manufacturing method thereof. The microcapsule comprises a core material (an alpha-linolenic acid product with mass content of alpha-linolenic acid being no less than 80%), a wall material (starch sodium octenylsuccinate) and an emulsifier (flaxseed gum), wherein a weight ratio of the core material to the emulsifier is 100-500: 1, and a weight ratio of the core material to the wall material is 1-1.2: 0.8-1. The manufacturing method comprises the following steps: dissolving a part by weight of the emulsifier in water to prepare a solution with a concentration of 0.1 to 1.0% and then adding 100 to 500 parts by weight of the alpha-linolenic acid product into the solution; then dissolving starch sodium octenylsuccinate into water to prepare a solution with a concentration of 13 to 40%, wherein a weight ratio of starch sodium octenylsuccinate to the alpha-linolenic acid product is 0.8-1: 1-1.2; and finally mixing the two prepared solutions and carrying out emulsification, homogenization and spray drying so as to obtain alpha-linolenic acid microcapsule powder, wherein alpha-linolenic acid has high content, is hard to oxidize and has good fluidity, total fatty acids (W / W) is no less than 50%, moisture is no more than 1.2%, surface oil is no more than 2%, and alpha-linolenic acid is no less than 400 mg / g.

Description

technical field [0001] The invention relates to the technical field of microcapsules, in particular to a high-content α-linolenic acid microcapsule and a manufacturing method thereof. Background technique [0002] α-linolenic acid is mainly derived from linseed, and linseed oil is obtained by pressing linseed. The mass percentage of α-linolenic acid in linseed oil is more than 50%, and free α-linolenic acid with a mass percentage of ≥80% is obtained through hydrolysis and purification. Type α-linolenic acid, through esterification reaction with ethanol to produce ethyl ester type α-linolenic acid with a mass percentage of ≥80%. [0003] α-linolenic acid is an essential fatty acid for the human body, which has the functions of reducing "three highs", anti-oxidation, and inhibiting allergies. However, it is easy to oxidize and rancid, difficult to store and transport, and should not be directly added to food. After microgelation, it can reduce its heat sensitivity, prevent ph...

Claims

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Application Information

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IPC IPC(8): A23L1/29A23P1/00A23L33/00A23P10/30
Inventor 余海龙王小锋
Owner 河北欣奇典生物科技有限公司
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