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Method for enriching lycopene of tomato pomace in vegetable oil under assistance of high-voltage pulsed electric field

A technology of high-voltage pulsed electric field and tomato peel residue is applied in the field of lycopene and vegetable oil enrichment, which can solve the problems of increasing the cost of tomato, and achieve the effects of promoting waste utilization, delaying oxidative rancidity and improving yield.

Pending Publication Date: 2020-08-07
XINJIANG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most of the studies on the extraction and enrichment of lycopene use organic solvents as extraction solvents, and since lycopene is ultimately used for human use or in medicines, the treatment process of lycopene increases the cost of tomato use

Method used

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  • Method for enriching lycopene of tomato pomace in vegetable oil under assistance of high-voltage pulsed electric field
  • Method for enriching lycopene of tomato pomace in vegetable oil under assistance of high-voltage pulsed electric field
  • Method for enriching lycopene of tomato pomace in vegetable oil under assistance of high-voltage pulsed electric field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1: High-voltage pulsed electric field-assisted enrichment process of lycopene in vegetable oil from tomato pomace

[0042] Specifically, the present invention provides a method for enriching lycopene in vegetable oil assisted by a high-voltage pulse electric field, and the specific steps of the preparation method are as follows:

[0043] (1) Under the protection of nitrogen, pulverize tomato skin dregs with a pulverizer, and obtain tomato skin powder after sieving, and set aside.

[0044] (2) Carry out ultrafine pulverization with the tomato peel powder after above-mentioned step (1) drying under nitrogen protection with superfine pulverizer, the condition of superfine pulverization is: rotating speed 300~700r / min, pulverization time 20~130min, will It is ground to a particle size of 5 to 45 μm.

[0045] (3) Utilize above-mentioned step (2) to prepare and obtain pretreatment raw material, add vegetable oil to tomato peel powder according to tomato peel powder:v...

Embodiment 2

[0046] Example 2: High-voltage pulsed electric field-assisted enrichment process of lycopene in vegetable oil from tomato pomace

[0047] Under the protection of nitrogen, the tomato peel residue is pulverized with a grinder, and the tomato peel powder is obtained after sieving with a 40-80 mesh sieve; The condition of micro-grinding is: rotating speed 300r / min, pulverizing time 20min, it is pulverized to particle size and is 5 μ m; According to tomato skin powder: almond oil is 1: 4g / mL solid-liquid ratio adds vegetable oil in tomato skin powder, and During the enrichment process of tomato peel powder and vegetable oil, high-voltage pulsed electric field treatment was adopted at the same time. The electric field strength was 0kV / cm, the number of pulses was 2, and the temperature was 30°C. After the enrichment, extraction and filtration were carried out to obtain lycopene vegetable oil.

Embodiment 3

[0048] Example 3: High-voltage pulsed electric field-assisted enrichment process of lycopene in vegetable oil from tomato skin residue

[0049] Under the protection of nitrogen, the tomato peel residue is pulverized with a grinder, and the tomato peel powder is obtained after sieving with a 40-80 mesh sieve; The conditions of micro-grinding are: rotating speed 400r / min, crushing time 50min, pulverize it to a particle size of 15μm; add vegetable oil to tomato peel powder according to the material-liquid ratio of tomato peel powder: safflower seed oil is 1: 5g / mL , and in the enrichment process of tomato peel powder and vegetable oil, high-voltage pulsed electric field treatment is used at the same time, the electric field strength is 10kV / cm, the number of pulses is 4, and the temperature is 35°C. After the enrichment, extract and filter to obtain lycopene vegetable oil.

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Abstract

The invention relates to a method for enriching lycopene of tomato pomace in vegetable oil under the assistance of a high-voltage pulsed electric field. The method comprises the following steps: performing superfine grinding on the tomato pomace, performing nitrogen charging protection, and enriching the vegetable oil by using the lycopene in the tomato pomace under the assistance of the high-voltage pulsed electric field of a high and new technology. The dissolution rate of the lycopene in the vegetable oil is remarkably increased through the superfine grinding and high-voltage pulsed electric field technology, the content of the lycopene in the vegetable oil is also increased to a certain degree, the average yield of lycopene-enriched walnut oil is 163.25 [mu]g / g, and the content of thelycopene in the walnut oil is 28.33 [mu]g / g. The tomato peel pomace can be reasonably and effectively used as a raw material to be combined with vegetable oil to process and produce the lycopene vegetable oil, so the oxidation rate of oil can be reduced, the utilization rate of the tomato peel pomace and the deep processing degree of the vegetable oil can be improved, and the additional value is increased.

Description

[0001] field of invention [0002] The invention belongs to the technical field of lycopene and vegetable oil enrichment. Specifically, the present invention relates to a method for enriching lycopene from vegetable oil using tomato pomace. Background technique [0003] Vegetable oil is the main edible oil product in the world. In recent years, the characteristic vegetable oil mainly includes walnut oil, almond oil, safflower oil and sunflower oil, etc., which contain not only unsaturated fatty acids, but also various vitamins and minerals necessary for the human body. Material elements, such as: Ca, K, Fe, etc., so these vegetable oils have high nutritional value and can effectively prevent the occurrence of various diseases. Nowadays, with the continuous improvement of people's living conditions, the process from simply recognizing the nutritional components of these vegetable oils to recognizing their special nutritional properties is constantly changing. Therefore, the de...

Claims

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Application Information

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IPC IPC(8): A23D9/007A23D9/04
CPCA23D9/007A23D9/04
Inventor 孔令明薛雨菲齐凤敏张玥戴志伟程怡媚杨罡刘伟玛合巴丽·托乎塔尔汉
Owner XINJIANG AGRI UNIV
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