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High activity soy bean edible fiber powder preparation process using instant flash steaming drying method

A soybean dietary fiber, instantaneous flash technology, applied in food preparation, food science, application and other directions, can solve the problems of difficult to achieve industrialization, high processing cost, protein denaturation and other problems, achieve low energy consumption, high drying efficiency, reduce heat denaturation effect

Inactive Publication Date: 2005-06-01
北京硕泰生物技术有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In traditional drying equipment, electric heating or hot air drying is generally used. When they are applied to the dehydration and drying of wet bean dregs, due to uneven heating and long drying time, the material is prone to burnt phenomenon, and the protein in the material is denatured seriously.
Although the method of freeze drying or vacuum drying can reduce the denaturation of protein in the material, it consumes a lot of power, and the processing cost is high, so it is not easy to realize industrialization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A certain amount of wet bean dregs is sent to the conditioning tank through the conveying equipment, add 10% demineralized water, adjust its pH value to 5.5, heat it to 70°C for 30 minutes, and then neutralize it with lye to a pH value of 7.0± 0.5. At the same time, according to the color of the wet bean dregs, 1.0% hydrogen peroxide was added for decolorization. After tempering, the bean dregs slurry enters the filter press to remove part of the water, and then enters the flash dryer with hot air for drying treatment. The inlet air temperature is 220°C and the outlet air temperature is 85°C. The dried material enters an ultrafine pulverizer for pulverization and classification to obtain soybean dietary fiber powder with a particle size of 150 mesh. Its insoluble dietary fiber is 26.5%, protein is 22.8%, and moisture is 8.9%.

Embodiment 2

[0017] A certain amount of wet bean dregs is sent to the tempering tank through the conveying equipment, add 12% demineralized water, adjust its pH value to 5.5, heat it to 70°C for 40 minutes, and then neutralize it with lye to a pH value of 7.0± 0.5. At the same time, according to the color of the wet bean dregs, 1.2% hydrogen peroxide was added for decolorization. After tempering, the bean dregs slurry enters the filter press to remove part of the water, and then enters the flash dryer with hot air for drying treatment. The air inlet temperature is 220°C and the outlet air temperature is 85°C. The dried material enters an ultrafine pulverizer for pulverization and classification to obtain soybean dietary fiber powder with a particle size of 150 mesh. Its insoluble dietary fiber is 26.8%, protein is 22.0%, and moisture is 9.1%.

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Abstract

The present invention is instantaneous flash drying process of preparing high activity soybean dietary fiber powder. Wet soybean residue as material is produced into dietary fiber powder through the technological steps of modulation, press filtering, drying, superfine crushing and sterilizing. The combined mechanical dehumidifying and special drying process can eliminating water from soybean residue skillfully while minimizing the hot denaturation of protein. The superfine crushing can make the granularity of the product reach 100-300 mesh. The product has light flavor, light color and high content of protein and dietary fiber, and may be used widely in various kinds of food product. The production process has low power consumption, low production cost and high drying efficiency.

Description

technical field [0001] The invention relates to a processing technology of soybean dietary fiber powder, which belongs to the technical field of international patent classification A23L1 / 20. Background technique [0002] Okara is a by-product of soybean protein isolate or traditional soybean protein food processing. It is generally only treated as feed or waste, and its economic benefits are low. Okara is rich in protein, fat, fiber components, vitamins, trace elements and phospholipids. Using advanced processing technology, it can be made into dietary fiber powder, which can reduce blood cholesterol levels, promote intestinal peristalsis, and prevent bowel movements. Cancer and weight loss effects. Therefore, the development and utilization of bean dregs has attracted people's attention. [0003] In traditional drying equipment, electric heating or hot air drying is generally used. When they are applied to the dehydration and drying of wet bean dregs, due to uneven heatin...

Claims

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Application Information

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IPC IPC(8): A23L33/22
Inventor 温光源胡小中
Owner 北京硕泰生物技术有限责任公司
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