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Lotus root powder and processing method thereof

A processing method and technology of lotus root powder, applied in the field of lotus root powder and its processing, can solve the problems of wasting water resources, loss of nutrients, etc., and achieve the effects of reducing water consumption, improving gelatinization degree, and promoting decomposition and release

Inactive Publication Date: 2018-07-20
李玟君
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of the defects in the prior art, the purpose of the present invention is to provide a lotus root powder and a processing method thereof, which can solve the problems of loss of nutrients and waste of water resources in the traditional processing of lotus root powder

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] S1. Wash the fresh lotus root, peel off the damaged part, peel the skin, remove the lotus root joints, dig out the black spots and set aside;

[0038] S2. Rinse the lotus root treated in step S1, and immediately put it into the color protection solution for soaking for 120 minutes; the color protection solution includes 0.1% vitamin C, 0.2% citric acid and 0.1% EDTA by mass percentage, and the remaining The amount is water.

[0039] S3, crushing and beating the lotus root after the color protection treatment, adding 0.2% cellulase according to the mass percentage of the processed lotus root, and then using a colloid mill to homogenize it for 20 minutes, filtering the obtained lotus root slurry, collecting the filtrate obtained by filtering and filter residue;

[0040] S4. Add 0.5% cellulase and amylase mixture according to the mass percentage of the filter residue to the filter residue obtained in step S3, then use a colloid mill to homogenize for 30 minutes, filter an...

Embodiment 2

[0043] S1. Wash the fresh lotus root, peel off the damaged part, peel the skin, remove the lotus root joints, dig out the black spots and set aside;

[0044] S2. Rinse the lotus root treated in step S1, and immediately put it into the color protection solution for soaking for 240 minutes; the color protection solution includes 0.3% vitamin C, 0.1% citric acid and 0.1% EDTA by mass percentage, and the remaining The amount is water.

[0045] After this step is completed, the lotus root after the color protection treatment is crushed into 30-mesh particles, then dried by microwaves to a water content of 20%, and then extruded by an extruder for low-temperature and high-pressure puffing treatment. During the process, the extruder is controlled to The internal temperature is 120°C, the pressure in the extrusion chamber is 1MPa, the screw speed is 1300r / min, and the material stays in the extruder for 20 seconds.

[0046] S3, crushing and beating the lotus root after the color protect...

Embodiment 3

[0050] S1. Wash the fresh lotus root, peel off the damaged part, peel the skin, remove the lotus root joints, dig out the black spots and set aside;

[0051] S2. Rinse the lotus root treated in step S1, and immediately put it into the color protection solution for soaking for 180 minutes; the color protection solution includes 0.25% vitamin C, 0.15% citric acid and 0.1% EDTA by mass percentage, and the remaining The amount is water.

[0052] After this step is completed, the lotus root after the color protection treatment is crushed into 40-mesh particles, then dried by microwave to 18% water content, and then extruded by an extruder for low-temperature and high-pressure puffing treatment. During the process, the extruder is controlled to The internal temperature is 120°C, the pressure in the extrusion chamber is 1MPa, the screw speed is 1300r / min, and the material stays in the extruder for 20 seconds.

[0053] S3, crush and beat the lotus root after the color protection trea...

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PUM

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Abstract

The invention discloses lotus root powder and a processing method thereof, and relates to the field of processing of lotus roots. The method comprises the following steps of thoroughly cleaning freshlotus roots, removing damaged parts, removing skin, removing lotus root nodes, and removing black spots for standby application; rinsing the treated lotus roots, and immediately putting the rinsed lotus roots in color protecting liquid for soaking; crushing the lotus roots treated with the color protecting liquid, performing mashing, adding cellulases which is 0.2-1.0% by weight of the processed lotus roots, performing homogenization treatment with a colloid mill, filtering the obtained lotus root slurry, and collecting filtrate and filter residues obtained through filtering; adding a mixtureof the cellulases and amylases, which is 0.5-1.2% by mass of the filter residues to the filter residues, performing homogenization treatment for 30-60 minutes with a colloid mill, performing filtering, and merging the filtrate with the filtrate obtained in the step S3; and performing concentration on the merged filtrate, performing spray drying, and performing crushing to obtain powder of 60-120 meshes, so that the finished products of the lotus root powder are obtained.

Description

technical field [0001] The invention relates to the field of lotus root processing, in particular to a lotus root powder and a processing method thereof. Background technique [0002] At present, the processing method of lotus root powder is that fresh lotus root is cleaned, pulverized and beating, filtered, washed, repeatedly filtered and washed, sedimentation is carried out to separate the slurry and remove sediment, dehydrate, dry, sieve, pack, and obtain the finished product. The yield of lotus root powder of the process is about 10%. [0003] The above method has the following problems: [0004] 1. Due to the need to repeatedly filter and wash the pulp in the above processing method, a large amount of water is used, and an average of 1kg of lotus root powder needs to consume at least 8-15kg of clear water; at the same time, during the washing process, a large amount of dietary fiber, fat, water-soluble vitamins, Sugar, protein, calcium, phosphorus, iron and other comp...

Claims

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Application Information

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IPC IPC(8): A23L19/10A23L5/41A23L29/00A23P30/34
CPCA23V2002/00A23L5/41A23L19/10A23L29/06A23P30/34A23V2200/048A23V2300/10A23V2250/032A23V2250/708
Inventor 李玟君
Owner 李玟君
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