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Vegetable oil with oxidized triglyceride polymer removed and removal method

A technology for oxidizing triglycerides and triglycerides, which is applied in food science, edible oil/fat, fat oil/fat refining, etc., can solve the problems of no TGP removal method, achieve a wide range of choices, reduce oil oxidation, Guarantee the effect of product quality

Pending Publication Date: 2021-06-01
SANMARK CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current control method is mainly to control the deodorization conditions, and there is no effective TGP removal method

Method used

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  • Vegetable oil with oxidized triglyceride polymer removed and removal method

Examples

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Comparison scheme
Effect test

Embodiment 1

[0039] A method for removing oxidized triglyceride polymers in vegetable oil, said method comprising the steps of:

[0040] ①Change in the arrangement state of polarized molecules: place the deodorized refined perilla seed oil in two parallel plates connected to a 220V power supply, and place the refined perilla seed oil in an electric field environment for 1 hour;

[0041] ② Changes in oil crystallization and rheological behavior: freeze the refined perilla seed oil treated in step ① at -18°C for 0.5h, and stir to promote freezing;

[0042] ③Membrane pretreatment of refined perilla seed oil: use a microporous membrane with a pore size of 0.3 μm in the oil phase for membrane pretreatment;

[0043] ④Gel chromatography column removal:

[0044] a, the grease after the membrane is passed is processed with a gel chromatographic column, with the mobile phase of chloroform and methanol mixed solution with a volume ratio of 1:1, and the flow rate is 30cm / min, and the chromatographic ...

Embodiment 2

[0050] A method for removing oxidized triglyceride polymers in vegetable oil, said method comprising the steps of:

[0051] ①Change in the arrangement state of polarized molecules: place the deodorized refined perilla seed oil in two parallel plates connected to a 120V power supply, and place the refined perilla seed oil in an electric field environment for 0.5h;

[0052] ② Changes in oil crystallization and rheological behavior: freeze the refined perilla seed oil treated in step ① at -20°C for 1 hour, and stir to promote freezing;

[0053] ③Membrane pretreatment of refined perilla seed oil: use a microporous membrane with a pore size of 0.5 μm for the oil phase to perform membrane pretreatment;

[0054] ④Gel chromatography column removal:

[0055] a, the grease after the membrane is passed is processed with a gel chromatographic column, with the mobile phase of chloroform and methanol mixed solution with a volume ratio of 1:1, and the flow rate is 30cm / min, and the chromato...

Embodiment 3

[0061] A method for removing oxidized triglyceride polymers in vegetable oil, said method comprising the steps of:

[0062] ①Change in the arrangement state of polarized molecules: place the deodorized refined perilla seed oil in two parallel plates connected to a 220V power supply, and place the refined perilla seed oil in an electric field environment for 2 hours;

[0063] ②Changes in oil crystallization and rheological behavior: freeze the refined perilla seed oil treated in step ① at -25°C for 0.5h, and stir to promote freezing;

[0064] ③Membrane pretreatment of refined perilla seed oil: use a microporous membrane with a pore size of 0.5 μm for the oil phase to perform membrane pretreatment;

[0065] ④Gel chromatography column removal:

[0066] a, the grease after the membrane is passed is processed with a gel chromatographic column, with the mobile phase of chloroform and methanol mixed solution with a volume ratio of 1:1, and the flow rate is 30cm / min, and the chromato...

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Abstract

The invention discloses vegetable oil with oxidized triglyceride polymer removed and a removal method, and belongs to the technical field of vegetable oil processing. The method for removing oxidized triglyceride polymer in vegetable oil comprises the following steps: putting deodorized refined vegetable oil into two parallel polar plates connected with a power supply, treating the refined vegetable oil in an electric field environment, and conducting freezing; carrying out membrane-passing pretreatment on an oil-phase filter membrane for refining vegetable oil; and treating the refined vegetable oil passing through the membrane with a gel chromatographic column, wherein a mobile phase is an organic solvent. The oxidized triglyceride polymer in the vegetable oil is removed through the separation characteristic of the chromatographic column. According to the method, the removal of oxidized triglyceride polymers in the grease, especially deodorized refined oil, is accelerated by optimizing the processing process of the grease. Through the freezing property of the dielectric medium of the grease and related substances, the crystalline state and rheological behavior of the grease are optimized, and the separation of the oxidized triglyceride polymer is promoted.

Description

technical field [0001] The invention belongs to the technical field of vegetable oil processing, and in particular relates to vegetable oil from which oxidized triglyceride polymers have been removed and a removal method. Background technique [0002] Oxidized triglycerides (oxidized triglycerides, ox-TG) and oxidized triglyceride polymers (oxidized triglycerides polymer, TGP) are the main components of non-volatile polar substances formed by oxidation of oils and fats. In the process of refining, storage and frying, oils and fats will form polar components (PCs) due to oxidation, hydrolysis and polymerization, including all levels of oxidation and hydrolysis products, such as ox-TG, TGP and diglyceride (DGA ), free fatty acids (FFA), etc. Among them, ox-TG and TGP are the main non-volatile components in the polar components formed by oil oxidation. TGP includes ox-TG, oxidized triglyceride dimer (oxidized triglycerides dimer, TGD), oxidized triglyceride oligomer (oxidized...

Claims

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Application Information

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IPC IPC(8): C11B3/00C11B3/10A23D9/007
CPCC11B3/001C11B3/005C11B3/008C11B3/10A23D9/007
Inventor 周晏琳李燕杰王缈陈昊潘雪
Owner SANMARK CORP
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