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Method for preparing radish leaf dietary fiber powder

A technology of dietary fiber powder and radish leaves, applied in food science and other directions, can solve problems such as environmental pollution, poor taste, and low utilization rate, and achieve the effects of improving economic value and regulating blood sugar and blood lipid levels.

Inactive Publication Date: 2020-01-14
HUBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually radish leaves are either discarded in the field, causing pollution to the environment, or sold to feed companies for simple processing into feed, but because of their poor taste, the utilization rate is also very low

Method used

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  • Method for preparing radish leaf dietary fiber powder

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A preparation method of radish leaf dietary fiber powder, the method comprises the steps:

[0020] 1) Selection of raw materials: select fresh radish leaves without pests, and remove roots, yellow leaves and dead leaves;

[0021] 2) Washing and soaking: Wash the radish leaves in step (1) with water, soak them in 1% (w / v) baking soda and 3% (w / v) salt water for 20 minutes, take them out, and rinse with water twice;

[0022] 3) Centrifugation: centrifuging and dehydrating the radish leaves in step (2), and the centrifugal speed is 1000 rpm;

[0023] 4) Drying: Dry the radish leaves dehydrated in step (3) at 85°C for 1 hour, then cool down to 50°C and continue to bake for 1.5 hours;

[0024] 5) Pulverization: pulverize the dried radish leaves in step (4) with a pulverizer, and seal them for later use;

[0025] 6) Enzymatic hydrolysis: add plant protease to the radish leaf powder in step (5), the ratio of material to liquid (g / L) is 1:15, adjust the pH to 7.2, and carry o...

Embodiment 2

[0029] A preparation method of radish leaf dietary fiber powder, the method comprises the steps:

[0030] 1) Selection of raw materials: select fresh radish leaves without pests, and remove roots, yellow leaves and dead leaves;

[0031] 2) Washing and soaking: Wash the radish leaves in step (1) with water, soak them in 1% (w / v) baking soda and 3% (w / v) salt water for 25 minutes, take them out, and rinse with water twice;

[0032] 3) Centrifugation: centrifuging and dehydrating the radish leaves in step (2), and the centrifugal speed is 1000 rpm;

[0033] 4) Drying: bake the dehydrated radish leaves in step (3) at 85°C for 1.5 h, then cool down to 50°C and continue to bake for 1.0 h;

[0034] 5) Pulverization: pulverize the dried radish leaves in step (4) with a pulverizer, and seal them for later use;

[0035] 6) Enzymatic hydrolysis: add plant protease to the radish leaf powder in step (5), the ratio of material to liquid (g / L) is 1:15, adjust the pH to 7.2, and carry out e...

Embodiment 3

[0039] A preparation method of radish leaf dietary fiber powder, the method comprises the steps:

[0040] 1) Selection of raw materials: select fresh radish leaves without pests, and remove roots, yellow leaves and dead leaves;

[0041] 2) Washing and soaking: Wash the radish leaves in step (1) with water, soak them in 1% (w / v) baking soda and 3% (w / v) salt water for 30 minutes, take them out, and rinse with water twice;

[0042] 3) Centrifugation: centrifuging and dehydrating the radish leaves in step (2), and the centrifugal speed is 1000 rpm;

[0043] 4) Drying: bake the dehydrated radish leaves in step (3) at 85°C for 1.5 h, then cool down to 50°C and continue to bake for 1.0 h;

[0044] 5) Pulverization: pulverize the dried radish leaves in step (4) with a pulverizer, and seal them for later use;

[0045] 6) Enzymatic hydrolysis: add plant protease to the radish leaf powder in step (5), the ratio of material to liquid (g / L) is 1:20, adjust the pH to 7.2, and carry out e...

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Abstract

The invention discloses a method for preparing radish leaf dietary fiber powder, and belongs to the technical field of agricultural product processing. The method includes the following steps: immersing radish leaves in 1% baking soda and 3% salt solution, then drying, and then pulverizing the dried radish leaves, mixing the pulverized radish leaves with plant protease for enzymolysis, then inactivating the enzyme at high temperature to obtain a precipitate, washing the precipitate with 70% ethanol to remove soluble sugar, and finally further drying and sieving solid matter obtained after separating slurry with a jet mill to obtain the radish leaf dietary fiber powder. The dietary fiber powder has faint scent of the radish leaves, retains nutritional ingredients of the radish leaves to themaximum extent, has a health-care effect, and can further be used as an additive for leisure foods. The preparation method is simple and pollution-free, and is suitable for industrial production.

Description

technical field [0001] The invention relates to the technical field of agricultural product processing, in particular to a preparation method of radish leaf ultrafine dietary fiber powder. Background technique [0002] White radish leaves are a food source with high nutritional value. Studies have shown that it is rich in a large amount of cellulose, which can promote human gastrointestinal motility and promote the excretion of waste in the body. Regular consumption can have a laxative effect; secondly, radish leaves also contain a variety of vitamins and minerals, especially It contains vitamin C and vitamin B, which can promote skin cell metabolism and regeneration, and can delay skin aging. [0003] The annual output of radish in my country is huge. In most cases, people only pay attention to the consumption of radish roots and ignore the value of radish leaves. Usually radish leaves are either discarded in the field, causing pollution to the environment, or they are so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/22A23L29/00
CPCA23L33/22A23L29/015A23L29/06A23V2002/00
Inventor 汤行春张贵生谭娉婷李亚东喻力行姚蝶
Owner HUBEI UNIV
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