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Processing method of sunflower seed oil and application of waste thereof

A processing method, sunflower oil technology, applied in the field of physics and chemistry, can solve the problems of sterol and vitamin loss in oil, natural VE loss of sunflower oil, and inability to remove metal ions, etc., so as to achieve high oil quality and simple and feasible refining process , the effect of light color back

Active Publication Date: 2017-08-18
SHANDONG YUHUANG GRAIN & OIL FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the processing technology of sunflower seed crude oil products mainly has the following problems: the processing technology will generate a lot of waste, which will be discharged randomly and cause serious pollution to the environment; Environmental pollution due to the production of soapstock; the natural VE in the refined sunflower oil is seriously lost, which reduces the quality of the oil; the existing technology cannot completely remove the metal ions, resulting in the oil easily returning to color

Method used

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  • Processing method of sunflower seed oil and application of waste thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The processing method of sunflower seed oil, it comprises the steps:

[0028] Sunflower seed kernels are crushed to remove the coat, steamed and fried, and squeezed to obtain sunflower seed crude oil;

[0029] Using an ultra-microfiltration membrane with a molecular weight cut-off of 70kD to remove lipoxygenase from sunflower seed crude oil to obtain oil product A;

[0030] Heat oil product A to 60°C, add 0.5wt% adsorption refining agent to oil product A, maintain the temperature at 60°C, stir at 200rpm for 30min, and obtain oil product B;

[0031] Add 0.05wt% citric acid to oil product B, stir at 200rpm for 30min, chelate metal ions, and obtain oil product C;

[0032] Heat the oil product C to 80°C, then add 0.1wt% of 10% (mass fraction) dilute phosphoric acid to the oil product C, maintain the temperature at 80°C, stir at 200 rpm for 60 minutes, and obtain oil product D;

[0033] Naturally cool the oil product D to 30°C, centrifuge once through a centrifuge, and col...

Embodiment 2

[0039] The processing method of sunflower seed oil, it comprises the steps:

[0040] Sunflower seed kernels are crushed to remove the coat, steamed and fried, and squeezed to obtain sunflower seed crude oil;

[0041] Using an ultra-microfiltration membrane with a molecular weight cut-off of 90kD to remove lipoxygenase from sunflower seed crude oil to obtain oil product A;

[0042] Heat oil product A to 60°C, add 0.7wt% adsorption refining agent to oil product A, maintain the temperature at 60°C, stir at 200rpm for 30min, and obtain oil product B;

[0043] Add 0.08wt% citric acid to oil product B, stir at 200rpm for 30min, chelate metal ions, and obtain oil product C;

[0044] Heat oil C to 80°C, then add 0.2wt% of 10% (mass fraction) dilute phosphoric acid to oil C, maintain the temperature at 80°C, stir at 200 rpm for 60 minutes, and obtain oil D;

[0045] Naturally cool the oil product D to 30°C, centrifuge once through a centrifuge, and collect the heavy phase separation ...

Embodiment 3

[0051] The sunflower seed oil physicochemical index of the present invention is measured:

[0052] Testing standard:

[0053] Acid value: refer to GB / T 5530-2005; peroxide value: refer to GB / T 5538-2005; color: refer to GB / T22460-2008; moisture and volatile matter: refer to GB / T 5528-2008; insoluble Impurities: Refer to GB / T 15688.

[0054] Taking Example 1 as an example, the specific test results are shown in Table 1:

[0055] Table 1

[0056]

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Abstract

The invention belongs to the field of physicochemical technologies and discloses a processing method of sunflower seed oil. The processing method comprises the following steps: step 1) of preparing sunflower seed crude oil; step 2) of performing hyperfiltration; step 3) of adsorbing and stirring; step 4) of chelating; step 5) of acidizing and degumming; step 6) of centrifuging and drying; step 7) of crystallizing and removing wax; step 8) of preparing feed additive. According to the processing method disclosed by the invention, processing waste is recycled while oil is processed; the prepared feed additive has a good effect; meanwhile, environmental pollution caused by emission is avoided, and double purposes are achieved.

Description

technical field [0001] The invention belongs to the technical field of physics and chemistry, and specifically relates to a processing method of sunflower oil, and also relates to the application of waste generated during the processing of sunflower oil. Background technique [0002] 90% of sunflower oil is unsaturated fatty acid, of which linoleic acid accounts for about 66%, and also contains vitamin E, phytosterols, phospholipids, carotene and other nutrients. Sunflower oil contains more vitamin E, which can prevent excessive oxidation of unsaturated fatty acids in the body, help to promote the activity of capillaries, improve the circulatory system, and prevent arteriosclerosis and other vascular diseases. The linoleic acid contained in sunflower oil is an essential fatty acid for the human body. It constitutes the basic components of various cells and has the functions of regulating metabolism, maintaining blood pressure balance, and lowering blood cholesterol. Sunflow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K20/158
Inventor 尹世亭沈小刚朱礼国荣相栋王依军
Owner SHANDONG YUHUANG GRAIN & OIL FOOD
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