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Method for removing mycotoxin in production process of corn oil

A production process and mycotoxin technology, which is applied in the direction of fat oil/fat production, fat production, fat oil/fat refining, etc., can solve the problems of consumers' food safety hazards, the difficulty of corn oil processing, etc., and achieve affordability and cost. Low, wide-ranging effects

Inactive Publication Date: 2017-08-22
SHANDONG SANXING CORN IND SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This has brought great difficulty to the processing of corn oil, and also caused some safety hazards for consumers' food safety.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The corn germ was tested: the content of vomitoxin was 521.12ug / kg, the content of zearalenone was 5218.08ug / kg, and the content of aflatoxin B was 156.11ug / kg.

[0044] The removal method of mycotoxin in the described corn oil production process, steps are as follows:

[0045] (1) The corn germ is transported to the elevator by the feeding scraper, and lifted to the weighing scale for measurement;

[0046] (2) Clean up the weighed corn germ, use a magnetic separator to remove ferromagnetic impurities in the germ, and after screening, enter the vibrating grading sieve to remove stones and other impurities in the germ.

[0047] (3) Crushing the germ, the gap between the upper and lower toothed rollers of the crusher is 2.5mm, and the gap between the lower toothed rollers is 1.5mm, so that the germ can reach a certain particle size to meet the embryo rolling conditions.

[0048] (4) Detoxify the crushed corn germ under the conditions of 160° C. and steam pressure of 0.9 ...

Embodiment 2

[0060] The corn germ was tested: the content of vomitoxin was 326.61ug / kg, the content of zearalenone was 5112.21ug / kg, and the content of aflatoxin B1 was 52.61ug / kg.

[0061] The removal method of mycotoxin in the described corn oil production process, steps are as follows:

[0062] (1) The corn germ is transported to the elevator by the feeding scraper, and lifted to the weighing scale for measurement;

[0063] (2) Clean up the weighed corn germ, use a magnetic separator to remove ferromagnetic impurities in the germ, and after screening, enter the vibrating grading sieve to remove stones and other impurities in the germ.

[0064] (3) Crushing the germ, the gap between the upper and lower toothed rollers of the crusher is 2.5mm, and the gap between the lower toothed rollers is 1.5mm, so that the germ can reach a certain particle size to meet the embryo rolling conditions.

[0065] 4) The crushed corn germ is detoxified at 165° C. and the steam pressure is 1.1 MPa, and the ...

Embodiment 3

[0077] The corn germ was tested: the content of vomitoxin was 318.61ug / kg, the content of zearalenone was 5213.29ug / kg, and the content of aflatoxin B1 was 51.81ug / kg.

[0078] (1) The corn germ is transported to the elevator by the feeding scraper, and lifted to the weighing scale for measurement;

[0079] The weighed corn germ is cleaned, and the ferromagnetic impurities in the germ are removed by a magnetic separator. After screening, it enters a vibrating grading sieve to remove stones and other impurities in the germ.

[0080] (3) Crushing the germ, the gap between the upper and lower toothed rollers of the crusher is 2.5mm, and the gap between the lower toothed rollers is 1.5mm, so that the germ can reach a certain particle size to meet the embryo rolling conditions.

[0081] (4) The crushed corn germ was detoxified at 180° C. and the steam pressure was 1.2 MPa, and the detoxification time was 80 minutes.

[0082] (5) Soften the detoxified corn germ, the softening tempe...

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Abstract

The invention belongs to technical field of oil processing, and concretely relates to a method for removing mycotoxin in the production process of corn oil. The method comprises the following steps: metering of corn germs, cleaning, fragmentation, virus elimination with high temperature and high pressure steam, softening, flaking, pressing and oil production, alkali refining, decolouring, and deodorization; and a finished product corn oil is obtained; wherein the temperature for virus elimination with high temperature and high pressure steam is 160-180 DEG C, the time is 60-80 minutes, and steam pressure is 0.9-1.2MPa. Contents of vomitoxin, aflatoxin B1, Zearalenone and other mycotoxin in the production process of corn oil are less than national limit standards, extra addition of substances or additional installation of large-scale process equipment is not needed, application range is wide without limitation, and the cost is low without potential safety risks of foodstuff; at the same time, new foreign ions are not introduced, so that adverse influences on vitamin E, phytosterol, unsaturated fatty acid and other nutrition components in the corn germs are not generated.

Description

technical field [0001] The invention belongs to the technical field of oil processing, and in particular relates to a method for removing mycotoxins in the production process of corn oil. Background technique [0002] Corn germ is rich in nutrients and high in water content, so it is prone to mildew during storage and transportation, which increases the risk of mycotoxin contamination. If corn or corn germ is not stored properly, it is very easy to be infected with fungi in a dark, humid or poorly ventilated environment. Several types of mycotoxins are mainly deoxynivalenol, aflatoxin and zearalenone. Deoxynivalenol, aflatoxin and zearalenone are high-molecular organic compounds that are easily soluble in oil and enter crude corn oil through the pressing process. This has brought great difficulty to the processing of corn oil, and also caused some safety hazards for consumers' food safety. [0003] The main body of vomitoxin belongs to trichothecene compounds, and the main...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/06C11B3/06C11B3/04C11B3/10
CPCC11B1/04C11B1/06C11B3/001C11B3/04C11B3/06C11B3/10
Inventor 王月华成良玉王文双王萍程芳圆王秀华房涛毕小兰
Owner SHANDONG SANXING CORN IND SCI CO LTD
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