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Preparation method of microencapsulated gardenia yellow pigment

A technology of gardenia yellow pigment and microencapsulation, applied in the direction of organic dyes, etc., can solve the problem of not being able to color stably for a long time

Active Publication Date: 2016-02-03
WUHAN GREEN FOOD BIOLOGICAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing gardenia yellow pigment is used as a water-soluble pigment in beverages, rice noodles, and fried products. Generally, it can only be dissolved in water, and it can be released quickly in aqueous solution and cannot be colored stably for a long time. A kind of preparation method of microencapsulated gardenia yellow pigment

Method used

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  • Preparation method of microencapsulated gardenia yellow pigment
  • Preparation method of microencapsulated gardenia yellow pigment
  • Preparation method of microencapsulated gardenia yellow pigment

Examples

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Embodiment 1

[0047] A preparation method of microencapsulated gardenia yellow pigment, comprising the steps of:

[0048] (1) Water phase preparation: get 30 parts by weight of sodium starch octenyl succinate, 50 parts of maltodextrin, and 10 parts of gardenia yellow pigment with a color value of 200 and mix them with water of the same weight as the above-mentioned mixture. The mixture, which is completely dissolved at 50°C as the water phase;

[0049] (2) Oil phase preparation: take 10 parts by weight of soybean oil and stir evenly at 50°C, and use it as the oil phase after completely dissolving;

[0050] (3) Emulsification: Cut the aqueous phase solution for 15 minutes at a shear speed of 8000rpm in a high-speed shearing machine, add the oil phase to the water phase, and slowly add while shearing, so that the emulsifier embeds the oil phase and pigment Molecules and oil phases are completely added and continue to shear for 10 minutes, so that no oil layer floats on the surface of the mat...

Embodiment 2

[0054] A preparation method of microencapsulated gardenia yellow pigment, comprising the steps of:

[0055] (1) Water phase preparation: get the gum arabic of 35 parts by weight, the maltodextrin of 45 parts, the gardenia yellow pigment that the color value of 10 parts is 200 is mixed, dissolve the mixture with the water equal weight of above-mentioned mixture, make it in Completely dissolved at 60°C as the water phase;

[0056] (2) Oil phase preparation: take 10 parts by weight of soybean oil and stir evenly at 60°C, and use it as the oil phase after completely dissolving;

[0057] (3) Emulsification: Cut the aqueous phase solution for 15 minutes at a shear speed of 8500rpm in a high-speed shearing machine, add the oil phase to the water phase, and slowly add while shearing, so that the emulsifier embeds the oil phase and pigment Molecules and oil phases are completely added and continue to cut for 10 minutes, so that no oil layer floats on the surface of the material, and t...

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Abstract

The invention discloses a preparation method of microencapsulated gardenia yellow pigment. The method comprises the following steps: (1) aqueous phase preparation: mixing an emulsifier, maltodextrin and a gardenia yellow pigment of the color value of 200, completely dissolving a mixture with water for serving as an aqueous phase; (2) oil phase preparation: uniformly mixing soybean oil or maize germ oil under 50 to 60 DEG C, and completely dissolving to serve as an oil phase; (3) emulsification: slowly adding the oil phase into water, and cutting by using a high-speed shearing machine, so that the emulsifier is embedded by the oil phase and pigment molecules, and after the pigment is embedded in a wall material and exists stably, homogenizing the material at high pressure in a homogenizer for 3 to 4 times; (4) spray drying: performing spray drying on an obtained emulsion, and then obtaining the microencapsulated gardenia yellow pigment, wherein the color value of the obtained pigment is 18 to 20, and the pigment embedment rate is 92 percent to 96 percent. By applying the pigment prepared by the preparation method to rice and noodles or fried food, the pigment can be slowly released, better high-temperature resistance is achieved, the pigmentation effect is better, and an application range of the gardenia yellow pigment is enlarged.

Description

technical field [0001] The invention relates to the technical field of preparation of gardenia yellow pigment, in particular to a preparation method of microencapsulated gardenia yellow pigment. Background technique [0002] Gardenia yellow pigment is a natural pigment extracted from gardenia fruit. Because of its bright color, high safety and good dyeing effect, it is widely used in the field of food. It is commonly used in beverages, candies, rice and flour products, etc. additive. [0003] Gardenia yellow pigment is a water-soluble pigment. Although it can be easily applied to food processing or beverage processing, because gardenia yellow pigment is sensitive to light, heat, pH value, metal ions, etc., it is easy to fade or change color. Therefore, the gardenia yellow pigment extracted and purified by water extraction, resin adsorption or membrane separation is generally only soluble in water when applied to beverages, rice noodles, and fried products, and is released q...

Claims

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Application Information

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IPC IPC(8): C09B67/02C09B67/08
Inventor 倪建辉陈沙程含友
Owner WUHAN GREEN FOOD BIOLOGICAL ENG
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