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Detoxification method of flaxseed kernels using low-frequency ultrasound-acid solution

An acid solution, flax technology, applied in the field of food processing, can solve the problems of harmful solvent residue, slow reaction, incomplete reaction, etc., and achieve the effect of simple detoxification process

Inactive Publication Date: 2019-12-10
HANGZHOU NAIQUE BIOLOGICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the document "Research Progress on Cyanogenic Glycosides of Flaxseed [J]" discloses a method for removing cyanogenic glycosides. The cyanogenic glucoside is converted into hydrogen cyanide and released, but the way the water in this process enters the flaxseed is natural penetration, which has the disadvantages of slow reaction and incomplete reaction. On the other hand, high-temperature boiling can easily cause flaxseed Loss of Nutrients in the Kernels
In addition, the microwave heating method has low detoxification efficiency, and the solvent method may produce harmful solvent residues

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for detoxifying linseed kernels utilizing low-frequency ultrasonic-acidic solution, comprising the following steps:

[0025] (1) Select fresh, mature, and pest-free linseed kernels, wash them with drinking water, and store them in a refrigerator at 4°C for later use.

[0026] (2) Add an appropriate amount of acetic acid aqueous solution with a pH of 3 to the ultrasonic water bath, and place the linseed kernels treated in step (1) in the acetic acid aqueous solution to ensure that the linseed kernels are completely soaked in the acetic acid aqueous solution, and then turn on the ultrasonic wave, Adjust the ultrasonic power to 200w, the frequency to 20kHz, and the working / intermittent time to 180s / 30s to detoxify the linseed kernels in the ultrasonic water bath. After ultrasonic treatment for 3 hours, turn off the ultrasonic wave.

[0027] (3) Taking out the linseed kernels in the ultrasonic water bath, cleaning and draining to obtain the detoxified linseed kerne...

Embodiment 2

[0030] A method for detoxifying linseed kernels utilizing low-frequency ultrasonic-acidic solution, comprising the following steps:

[0031] (1) Select fresh, mature, and pest-free linseed kernels, wash them with drinking water, and store them in a refrigerator at 4°C for later use.

[0032] (2) Add an appropriate amount of acetic acid aqueous solution with a pH of 3 to the ultrasonic water bath, and place the linseed kernels treated in step (1) in the acetic acid aqueous solution to ensure that the linseed kernels are completely soaked in the acetic acid aqueous solution, and then turn on the ultrasonic wave, Adjust the ultrasonic power to 300w, the frequency to 20kHz, and the working / intermittent time to 180s / 30s to detoxify the linseed kernels in the ultrasonic water bath. After ultrasonic treatment for 3 hours, turn off the ultrasonic.

[0033] (3) Taking out the linseed kernels in the ultrasonic water bath, cleaning and draining to obtain the detoxified linseed kernels. ...

Embodiment 3

[0036] A method for detoxifying linseed kernels utilizing low-frequency ultrasonic-acidic solution, comprising the following steps:

[0037] (1) Select fresh, mature, and pest-free linseed kernels, wash them with drinking water, and store them in a refrigerator at 4°C for later use.

[0038] (2) Add an appropriate amount of acetic acid aqueous solution with a pH of 3 to the ultrasonic water bath, and place the linseed kernels treated in step (1) in the acetic acid aqueous solution to ensure that the linseed kernels are completely soaked in the acetic acid aqueous solution, and then turn on the ultrasonic wave, Adjust the ultrasonic power to 500w, the frequency to 20kHz, and the working / intermittent time to 180s / 30s, and detoxify the linseed kernels in the ultrasonic water bath. After ultrasonic treatment for 3 hours, turn off the ultrasonic wave.

[0039] (3) Taking out the linseed kernels in the ultrasonic water bath, cleaning and draining to obtain the detoxified linseed ker...

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PUM

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Abstract

The invention discloses a detoxification method of flaxseed kernels using a low-frequency ultrasound-acid solution. The detoxification method comprises the specifically steps that flaxseed kernels rawmaterials are placed in an ultrasonic water bath kettle containing an acid solution for low-frequency ultrasonic detoxification, after the low-frequency ultrasonic detoxification is completed, the flaxseed kernels are taken out to be cleaned and dried, and thus the detoxified flaxseed kernels. According to the detoxification method, a detoxification method combining low-frequency ultrasonic and acid solution is adopted, the chemical structures of cyanogenic glycoside and beta-glucosaccharase can be destroyed, the generation of hydrogen cyanide is reduced from the source, and the advantages ofsimple process, high detoxification efficiency, thorough detoxification and the like are achieved.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a method for detoxifying linseed kernels using low-frequency ultrasound-acidic solution. Background technique [0002] Flax, also known as flax, is one of the top ten oil crops in the world and is widely distributed in many countries and regions. Flaxseed contains a variety of functional active ingredients, such as α-linolenic acid, omega-3 unsaturated fatty acids, linalbiosides, flavonoids, and lignans, etc. Flaxseed oil is the vegetable oil with the highest omega-3 content on land. The importance to the body, known as "liquid gold", eating walnuts can nourish the brain, precisely because walnuts are rich in omega-3 and its metabolites. In addition, flaxseed also has certain effects of anti-cancer, anti-virus, anti-thrombosis, lowering blood fat, improving skin and improving arthritis, so flaxseed is an excellent health food. However, its seeds contain toxic substances...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L5/20A23L5/30
CPCA23L5/27A23L5/21A23L5/32A23V2002/00
Inventor 赵东宇田万平章婷朱佳南郭文杰李思彤
Owner HANGZHOU NAIQUE BIOLOGICAL TECH CO LTD