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A kind of pellet loaded with nano-selenium and preparation method thereof

A technology of nano selenium and pellets, applied in the field of food nutritional additives, can solve the problems of unstable preparation process, high production equipment requirements, difficult content control, etc., and achieves the effects of suitability for industrial production, low cost and controllable quality.

Active Publication Date: 2019-09-27
THIRD INST OF OCEANOGRAPHY MINIST OF NATURAL RESOURCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation process described in this patent application has problems such as complex product components, difficult control of content, insufficient stability of the preparation process, large energy consumption, and high requirements for production equipment.

Method used

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  • A kind of pellet loaded with nano-selenium and preparation method thereof
  • A kind of pellet loaded with nano-selenium and preparation method thereof
  • A kind of pellet loaded with nano-selenium and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Dissolve 0.5g of chitosan in 100mL of 1% acetic acid solution, add 1.5g of ascorbic acid, after fully dissolving, add 0.15mg of sodium selenite, and stir until the orange in the solution no longer deepens. Then add 0.625g of chitosan and stir until completely dissolved to obtain nano-selenose sugar sol. The fluidized bed is used for sugar layer spraying and fluidized drying. The specific process parameters are: starch pellet core 350g, fed by bottom spraying method; air intake volume 170m 3 h -1 , the speed of the liquid supply pump is 2rpm, the inlet air temperature is 36-45°C, the material temperature is 28-35°C, and the atomization pressure is 0.16MPa; That is, 400 g of micropills loaded with nano-selenium were obtained. The pellets are regular and spherical, with a particle size of about 1 mm, uniform particle size distribution, and a light red surface. X-ray photoelectron spectroscopy (XPS) results showed that there was no Se 3d peak on the outermost layer of th...

Embodiment 2

[0040] Dissolve 0.25g of chitosan in 100mL of 1% acetic acid solution, add 0.5g of ascorbic acid, after fully dissolving, add 0.05mg of sodium selenite, and stir until the orange in the solution no longer deepens. Then add 10 g of sucrose and stir until completely dissolved to obtain nano-selenose sugar sol. The fluidized bed is used for sugar layer spraying and fluidized drying. The specific process parameters are: starch pellet core 350g, fed by bottom spraying method; air intake volume 160m 3 h -1 , the speed of the liquid supply pump is 2rpm, the air inlet temperature is 35-43°C, the material temperature is 26-34°C, and the atomization pressure is 0.19MPa; That is, 405 g of pellets loaded with nano-selenium were obtained. The pellets are regular and spherical, with a particle size of about 1 mm, uniform particle size distribution, and a reddish surface.

Embodiment 3

[0042] Dissolve 0.5g of sodium alginate in 100mL of ultrapure water, add 5g of ascorbic acid, after fully dissolving, add 0.5g of sodium selenite, stir until the orange color in the solution does not deepen, then add 50mL of water to obtain nano-selenoglycosol . The fluidized bed is used for sugar layer spraying and fluidized drying. The specific process parameters are: 300g of sucrose core, fed by top spraying; air intake 230m 3 h -1 , the speed of the liquid supply pump is 2rpm, the air inlet temperature is 30-40°C, the material temperature is 25-35°C, and the atomization pressure is 0.20MPa; That is, 365 g of pellets loaded with nano-selenium were obtained. The pellets are regular and spherical, with a particle size of about 0.5 mm, uniform particle size distribution, and a red surface.

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Abstract

The invention discloses a nano-selenium loaded pellet and a preparation method thereof. The nano-selenium loaded pellet includes nano-selenium and a pellet core, and the nano-selenium is distributed on the surface of the pellet core, wherein the pellet core and the selenium are in a dry weight ratio of 1:0.000001-100. The preparation method comprises the steps of: (1) preparing nano-selenium; (2) mixing nano elemental selenium and water soluble sugar or its aqueous solution to obtain sugar sol of nano-selenium; (3) spraying the sugar sol containing nano-selenium to the pellet core surface in a fluidized state so as to obtain the pellet with a nano-selenium sprayed surface; and (4) subjecting the pellet with the nano-selenium sprayed surface to fluidized drying, thus obtaining the nano-selenium loaded pellet. According to the invention, soluble sugar sol containing nano-selenium is sprayed on the pellet core surface, and after fluidized drying, a solidified sugar layer can form on the pellet core surface, thereby isolating air to prevent nano-selenium oxidation, also realizing physical isolation of nano-selenium particles and preventing aggregation of nano-selenium particles, and stabilizing nano-selenium.

Description

technical field [0001] The invention belongs to the technical field of food nutrition additives, and in particular relates to a micropill loaded with nano-selenium and a preparation method thereof. Background technique [0002] Selenium is an essential nutritional trace element with a wide range of biological activities. Selenium plays an important role in the prevention of cardiovascular disease, anti-oxidation, anti-aging, anti-virus, anti-cancer, immune function regulation, etc.; selenium deficiency is closely related to dozens of common diseases. In 1973, the World Health Organization announced that selenium is an indispensable trace element in human and animal life activities; in 1988, the Chinese Nutrition Society listed selenium as one of the 15 daily dietary essential nutrients. Reasonable supplementation of selenium and maintaining a reasonable metabolism of selenium in the body are crucial to maintaining normal physiological functions of the human body. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L33/16A23L33/125A23P20/18
Inventor 白锴凯洪碧红陈俊德易瑞灶谭然何建林黄文文
Owner THIRD INST OF OCEANOGRAPHY MINIST OF NATURAL RESOURCES
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