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Method for producing maize active polysaccharide

A technology of active polysaccharides and production methods, which is applied in the field of health food processing, can solve the problems of inability to convert active polysaccharides, etc., and achieve the effects of improving quality and health care functions, convenient operation, and increasing expansion force

Active Publication Date: 2006-12-13
吉林省长吉图开发建设现代农业投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Corn bran can be used as the main raw material of dietary fiber, but the main component of corn bran is crude fiber, which cannot be converted into active polysaccharides with obvious health functions without special treatment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The raw material is corn husk, a by-product of corn starch factory or corn alcohol factory.

[0014] 1. Pretreatment of corn husk

[0015] Soak corn husks in water at 15°C-20°C and stir evenly. The amount of water added should be 2cm-4cm above the surface of the material, soak for 1-2h, and then fully scrub with running water to remove residual starch, small particles of endosperm, etc. Non-fibrous ingredients. The obtained wet corn husks are centrifuged and dehydrated at a speed of 3000 rpm to make the water content less than 26%, and then dried with hot air at 60°C to 80°C to make the water content less than 8%. The drying time depends on the production capacity of the drying equipment. The dried corn bran is pulverized to obtain corn bran powder with a particle size of less than 1mm.

[0016] 2. Degreasing and deodorizing treatment

[0017] The pretreated corn bran flour was subjected to supercritical CO 2 Extraction, extraction pressure 8MPa, temperature 32°C, ...

Embodiment 2

[0026] The raw material is corn husk, a by-product of corn starch factory or corn alcohol factory.

[0027] 1. Pretreatment of corn husk

[0028] With embodiment 1.

[0029] 2. Degreasing and deodorizing treatment

[0030] The pretreated corn bran flour was subjected to supercritical CO 2 Extraction, extraction pressure 30MPa, temperature 45°C, time 2 hours, CO 2 The flow rate is 30L / h. The obtained product is milky white or light yellow in color, has a delicate fragrance and flavor, has no foreign miscellaneous smell, and has a lipid content of less than 1%.

[0031] 3. Moisturizing treatment

[0032] in supercritical CO 2 Add an appropriate amount of drinking water at 25°C to the extracted corn bran powder, stir evenly, and place it for 15 minutes to make the corn bran powder fully absorb water and ensure that its water content is at 45%.

[0033] 4. High temperature and high pressure extrusion treatment

[0034]Preheat the twin-screw extruder and set the temperature...

Embodiment 3

[0039] The raw material is corn husk, a by-product of corn starch factory or corn alcohol factory.

[0040] 1. Pretreatment of corn husk

[0041] With embodiment 1.

[0042] 2. Degreasing and deodorizing treatment

[0043] The pretreated corn bran flour was subjected to supercritical CO 2 Extraction, extraction pressure 50MPa, temperature 60°C, time 3.5 hours, CO 2 The flow rate is 40L / h. The obtained product is milky white or light yellow in color, has a delicate fragrance and flavor, has no foreign miscellaneous smell, and has a lipid content of less than 1%.

[0044] 3. Moisturizing treatment

[0045] in supercritical CO 2 Add an appropriate amount of drinking water at 25°C to the extracted corn bran powder, stir evenly, and place it for 15 minutes to make the corn bran powder fully absorb water and ensure its water content is 60%.

[0046] 4. High temperature and high pressure extrusion treatment

[0047] Preheat the twin-screw extruder and set the temperature at 1...

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Abstract

The production process of active corn polysaccharide with corn coating includes eliminating impurity and starch, drying, crushing to obtain corn coating powder; supercritical CO2 fluid extraction to eliminate most of the fatty matter and bad smell; adding proper amount of drinking water or other supplementary material and extruding at certain pressure and temperature; and drying and crushing to obtain the active corn polysaccharide containing great amount of corn diet fiber. The said production process has the full utilization of the material and no environmental pollution, and the product has obvious blood fat reducing, weight reducing and constipation treating effects.

Description

technical field [0001] The invention belongs to health food processing technology. Background technique [0002] Active polysaccharides refer to polysaccharide compounds with certain special physiological activities, including dietary fiber and edible fungus polysaccharides. Dietary fiber has a variety of physiological functions, which can prevent constipation and colon cancer; reduce serum cholesterol and blood lipids, prevent heart disease caused by coronary atherosclerosis; improve peripheral nerve sensitivity to insulin, regulate blood sugar levels in diabetics; change food digestion process, Increase satiety. In addition, medical and nutritional studies have proved that sufficient dietary fiber intake can protect the body from some diseases. Dietary fiber is a general term for a variety of polysaccharide carbohydrates with similar structures, and the chemical composition of various dietary fiber products varies greatly. Therefore, the significant degree of physiologi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/00A23L1/09A23L33/21
CPCY02P20/54
Inventor 王大为张艳荣
Owner 吉林省长吉图开发建设现代农业投资有限公司
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