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Method for microencapsulating pitaya peel pigment

A technology of pitaya peel and microencapsulation, which is applied in food forming, food preparation, food science, etc., can solve the problems that dragon fruit peel pigment is easily affected by external conditions and limits its wide application, so as to improve stability, The effect of amplifying technical effects

Active Publication Date: 2013-10-16
FOSHAN POLYTECHNIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of method to pitaya peel pigment microencapsulation, aims to solve the technical problem that dragon fruit peel pigment is easily affected by external conditions, limits its wide application

Method used

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  • Method for microencapsulating pitaya peel pigment
  • Method for microencapsulating pitaya peel pigment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Get 1:1 gum arabic and maltodextrin, mix evenly, add cellulose acetate phthalate to obtain a wall material solution; take dragon fruit peel pigment to dissolve to obtain a core material solution; mix the wall material solution, core material solution, The water and the emulsifier are mixed and stirred evenly, and homogenized under high pressure to obtain an emulsion, wherein the ratio of the core material to the wall material is 1:1.2, and the solid content of the emulsion is 20%; then the emulsion is spray-dried, Obtain the pitaya peel pigment of microencapsulation.

[0039] In this example, the homogenization pressure is 30Mpa, the number of homogenization is 4 times, the feed temperature during the spray drying process is 50°C, the feed concentration is 15%, the inlet air temperature is 140°C, and the outlet air temperature is 70°C , The feed rate is 40ml / min.

[0040] In this embodiment, the dosage of cellulose acetate phthalate is 0.2% of the emulsion.

[0041] I...

Embodiment 2

[0044] Get 4:1 modified starch and gum arabic, mix evenly, add cellulose acetate phthalate, obtain wall material solution; get pitaya peel pigment to dissolve, obtain core material solution, mix wall material solution, core material solution, water Mix and stir with an emulsifier evenly, and carry out high-pressure homogenization to obtain an emulsion, wherein the ratio of the core material to the wall material is 1:1, and the solid content of the emulsion is 15%; then the emulsion is spray-dried to obtain Microencapsulated dragon fruit peel pigment.

[0045] In this example, the homogenization pressure is 40Mpa, the number of homogenization times is 2, the feed temperature during the spray drying process is 60°C, the feed concentration is 25%, the inlet air temperature is 180°C, and the outlet air temperature is 100°C , The feed rate is 50ml / min.

[0046] In this example, the dosage of cellulose acetate phthalate is 1% of the emulsion.

[0047] In this embodiment, the emuls...

Embodiment 3

[0050] Get 0.8:1 polyethylene glycol and ethyl cellulose, mix evenly, add phthalate cellulose acetate, obtain wall material solution; Get pitaya peel pigment to dissolve, obtain core material solution; Wall material solution, core material The solution, water and emulsifier are mixed and stirred evenly, and homogenized under high pressure to obtain an emulsion, wherein the ratio of the core material to the wall material is 0.6:1, and the solid content of the emulsion is 30%; then the emulsion is sprayed Dried to obtain the microencapsulated dragon fruit peel pigment.

[0051] In this example, the homogenization pressure is 35Mpa, the number of homogenization is 3 times, the feed temperature during the spray drying process is 60°C, the feed concentration is 20%, the inlet air temperature is 160°C, and the outlet air temperature is 85°C , The feed rate is 45ml / min.

[0052] In this example, the dosage of cellulose acetate phthalate is 0.5% of the emulsion.

[0053] In this emb...

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Abstract

The invention discloses a method for microencapsulating pitaya peel pigment. The method comprises the following steps: A, dissolving a core material (namely pitaya peel pigment) into water, with that, obtaining a core material solution for standby, wherein the concentration of the core material solution is 95-98 percent; B, preparing a wall material, taking and mixing the wall material, and adding cellulose acetate phthalate into the wall material, with that, obtaining a wall material solution for standby; C, mixing the core material solution, the wall material solution, the water and an emulsifier, performing high-pressure homogenization to obtain emulsion, wherein the solid content of the emulsion is 15-30 percent; performing spray drying to the emulsion to obtain the microencapsulated pitaya peel pigment. According to the invention, via microencapsulating the pitaya peel pigment, the stability of the pitaya peel pigment and the solubility of the pitaya peel pigment in a fat-soluble medium are improved, and the technical effect of the food industry application of the pitaya peel pigment is expanded.

Description

technical field [0001] The invention relates to a method for processing pitaya peel pigment, in particular to a method for microencapsulating the pitaya peel pigment. Background technique [0002] Pitaya peel pigment is a water-soluble natural red pigment, soluble in ethanol, acetone, isopropanol, acetic acid, citric acid, tartaric acid and 0.2mol / L HCl solution, slightly soluble in ether and ethyl acetate, the Pigment has the characteristics of polar or weak polar molecular substances, and is a kind of polar or weak polar molecular substances. [0003] Pitaya peel pigment is easy to absorb, has strong biological activity, has biological activities such as anti-oxidation, cardiovascular protection, and anti-mutation, and is widely used in food, medicine, cosmetics and other fields. In recent years, pitaya peel pigment has become a commonly used raw material in health food in my country. However, since the pitaya peel pigment is easily affected by external conditions, such ...

Claims

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Application Information

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IPC IPC(8): A23L1/30A23P1/04A23L5/43A23P10/30
Inventor 齐明郑琳姚政校熊瑛郑培君鲍玲玲
Owner FOSHAN POLYTECHNIC
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