Pueraria powder and preparation method thereof

A technology of pueraria powder and ultra-fine pulverization, which is used in food preparation, ultra-high pressure food processing, food drying, etc., can solve the problem of waste of effective components of pueraria, maintain nutritional value, ensure hygiene and safety, and improve extraction rate and utilization rate. Effect

Inactive Publication Date: 2014-09-10
WUGANG HEXIN AGRI PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kudzu root powder and a preparation method thereof, so as to solve the technical problem of wasting the active ingredients of kudzu root in the prior art

Method used

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  • Pueraria powder and preparation method thereof
  • Pueraria powder and preparation method thereof
  • Pueraria powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] see figure 1 , slice after cleaning the sediment on the kudzu root, keep the thickness uniform in the process of slicing, the dehydration drying temperature is 80 ℃, the drying time is 90 minutes, and the raw materials are crushed and passed through an 80-mesh sieve.

[0040] The undersize was extruded and puffed by using a screw extruder at a temperature of 95°C, with a feed water content of 2% and a screw speed of 150r / min to obtain puffed materials.

[0041] The crushing time of the puffed material is 30 minutes, the crushing temperature is -20°C; the moisture content of the feed is less than 2%; the particle size of the sample is larger than 20 mesh, and the first ultra-fine crushing is carried out to 800-1000 mesh, and the material is packed in polyethylene plastic bags. After evacuating the double-layer packaging, carry out ultra-high pressure treatment, the ultra-high pressure treatment pressure is 300MPa, the pressure holding time is 30 minutes, the transmission...

Embodiment 2

[0043] see figure 1 , slice after cleaning the silt on the kudzu root, keep the thickness uniform in the process of slicing, the temperature of dehydration and drying is 75 ℃, the drying time is 90 minutes, and the raw materials are crushed and passed through an 80-mesh sieve.

[0044] The undersize was extruded and puffed by using a screw extruder at a temperature of 80°C, with a feed water content of 3% and a screw speed of 200r / min to obtain puffed materials.

[0045] The crushing time of the puffed material is 30 minutes, the crushing temperature is -20°C; the moisture content of the feed is less than 2%; the particle size of the sample is larger than 20 mesh, and the first ultra-fine crushing is carried out to 800-1000 mesh, and the material is packed in polyethylene plastic bags. After evacuating the double-layer packaging, carry out ultra-high pressure treatment, the ultra-high pressure treatment pressure is 600MPa, the pressure holding time is 15 minutes, the transmiss...

Embodiment 3

[0047] see figure 1 , after cleaning the sediment on the kudzu root, slice it, and keep the thickness uniform during the slice process. The gradient drying conditions are: drying at 30°C for 30 minutes; drying at 60°C for 20 minutes; drying at 80°C for 2 hours. Raw materials are crushed and passed through a 80-mesh sieve.

[0048] The undersize was subjected to extrusion and puffing treatment by using a screw extruder at a temperature of 90° C., a feed water content of 4%, and a screw speed of 170 r / min to obtain puffed materials.

[0049] The crushing time of the puffed material is 30 minutes, the crushing temperature is -20°C; the moisture content of the feed is less than 2%; the particle size of the sample is larger than 20 mesh, and the first ultra-fine crushing is carried out to 800-1000 mesh, and the material is packed in polyethylene plastic bags. After vacuuming the double-layer packaging, carry out ultra-high pressure treatment, the ultra-high pressure treatment pres...

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Abstract

The invention provides pueraria powder and a preparation method thereof. Puffing treatment, first super fine crushing and ultra-high pressure treatment are performed on pueraria raw materials to obtain the pueraria powder, wherein the ultra-high pressure treatment condition includes that pressure is 300-600 MPa, pressure holding time is 15-30 minutes, and a pressure transferring medium is water at room temperature. The content of puerarin in the obtained pueraria powder can reach 38941mg / kg, the content of dietary fibers is 24.6%, and the pueraria powder is not caked at the brewing temperature of 20-100 DEG C.

Description

technical field [0001] The invention relates to the field of kudzu root deep processing, in particular to a preparation method of kudzu root powder, and another aspect of the invention also provides a kudzu root powder prepared by the method. Background technique [0002] Pueraria lobata is the root of the leguminous plant Pueraria mirifica or Gange vine, and it is a common vegetable in some provinces and regions in southern China. Wild kudzu root contains 12% flavonoids, such as puerarin, daidzein, daidzin and other nutrients, as well as protein, amino acid, sugar and minerals such as iron, calcium, copper and selenium necessary for the human body. It tastes sweet Cool and delicious, medicinal and edible, suitable for all ages, it is a delicious and nutritious product, and has the reputation of "thousand-year ginseng". Modern medical research shows that puerarin and flavonoids in kudzu root can expand coronary arteries and cerebral blood vessels, increase coronary blood fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/214A23L1/29A23L19/10A23L33/00
CPCA23L19/01A23L19/10A23V2002/00A23V2300/46A23V2300/16A23V2300/10
Inventor 赵良忠尹乐斌夏小玲唐小兰
Owner WUGANG HEXIN AGRI PROD
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