Refining method of low trans-fatty acid compound oil

A low-trans fatty acid and compound oil technology, applied in the field of daily life, can solve the problems of insufficient supply capacity and high price of compound nutritional oil raw materials, and achieve the effect of reducing production costs and low content

Inactive Publication Date: 2015-10-14
HARBIN PURUN GREASE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the production of compound nutritional oil is restricted by high raw material prices and insufficient supply capacity.

Method used

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  • Refining method of low trans-fatty acid compound oil
  • Refining method of low trans-fatty acid compound oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Add 20 tons of soybean oil, 5 tons of corn oil, and 60 tons of rapeseed oil into the raw material batching tank, fully stir and mix, and quantitatively enter the refining process for conventional degumming, deacidification, and decolorization treatments.

[0019] Degumming: Use medium temperature or high temperature hydration degumming method. First take a sample to test the content of phospholipids in the oil so as to determine the amount of water added. The oil is heated to 80°C, demineralized water with 3.5 times the amount of phospholipids is added, mixed thoroughly and centrifuged after a delay.

[0020] Deacidification: The acid value of the oil is determined by sampling to determine the amount of alkali to be added. Heat the oil to 80°C, add 20 Baumé lye according to the acid value, mix thoroughly and centrifuge after a delay. Then add hot water at the same temperature with 10% oil weight, mix well, wash and centrifuge. The deacidified oil is heated to 95°C fo...

Embodiment 2

[0026] Add 25 tons of soybean oil, 7 tons of corn oil, and 65 tons of rapeseed oil into the raw material batching tank, fully stir and mix, and quantitatively enter the refining process for conventional degumming, deacidification, and decolorization treatments.

[0027] Degumming: Use medium temperature or high temperature hydration degumming method. First take a sample to test the content of phospholipids in the oil so as to determine the amount of water added. The oil is heated to 80°C, demineralized water with 3.5 times the amount of phospholipids is added, mixed thoroughly and centrifuged after a delay.

[0028] Deacidification: The acid value of the oil is determined by sampling to determine the amount of alkali to be added. Heat the oil to 85°C, add 20 Baumé lye according to the acid value, mix thoroughly and centrifuge after a delay. Then add hot water at the same temperature with 20% oil weight, mix well, wash and centrifuge. The deacidified oil is heated to 95°C fo...

Embodiment 3

[0034] Add 30 tons of soybean oil, 8 tons of corn oil, and 70 tons of rapeseed oil into the raw material batching tank, fully stir and mix, and quantitatively enter the refining process for conventional degumming, deacidification, and decolorization treatments.

[0035] Degumming: Use medium temperature or high temperature hydration degumming method. First take a sample to test the content of phospholipids in the oil so as to determine the amount of water added. The oil is heated to 80°C, demineralized water with 3.5 times the amount of phospholipids is added, mixed thoroughly and centrifuged after a delay.

[0036] Deacidification: The acid value of the oil is determined by sampling to determine the amount of alkali to be added. Heat the oil to 90°C, add 20 Baumé lye according to the acid value, mix thoroughly and centrifuge after a delay. Then add hot water at the same temperature with 30% oil weight, mix well, wash and centrifuge. The deacidified oil is heated to 95°C for ...

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Abstract

The invention relates to a refining method of low trans-fatty acid compound oil. According to a formula, various raw oil in a nutrition compound oil is compounded in the corresponding proportion, and then the refining working procedures of a hydration degumming working procedure, a deacidifying working procedure, a decoloring working procedure, a deodorizing working procedure, a dewaxing working procedure, a degreasing working procedure, a filtering working procedure, a nitrogen-filled packaging working procedure and the like are performed, and in the processing of refining, the temperature of the deodorizing step is controlled to be 210-225 DEG C, the degree of vacuum is maintained to be 0-10mmbar, and the deodorizing time is 15-20 minutes, so that the trans-fatty acid in finished products is ensured to be lower than 1%, and each index conforms to the standard of international first-class oil of a corresponding oil product. The refining method disclosed by the invention has the benefits that in accordance with the nutritional requirements of different crowds of mid-aged people and aged people, pregnant women, babies, and the like, the components in different fat in the formula are regulated, so that the composition of fatty acid in the products is regulated; therefore, the concoction of vegetable oil, with a certain specific function, can ensure that the trans-fatty acid in products is low in content.

Description

technical field [0001] The invention belongs to the field of daily life, and in particular relates to a method for refining low-trans fatty acid compound oil. Background technique [0002] Trans fatty acid is the general term for all unsaturated fatty acids containing trans double bonds. It interferes with the metabolism of polyunsaturated fatty acids in the body, affects blood lipids and lipoproteins, and inhibits fetal growth and development. Nutrition experts believe that trans fatty acids are harmful to human health. The main manifestations are: the formation of thrombus, which is especially harmful to the elderly with fragile blood vessel walls. Affect development. Excessive intake of foods containing trans fatty acids will affect the health of the fetus and have adverse effects on the growth and development of the central nervous system of adolescents. Affect fertility, trans fatty acids will reduce the secretion of male hormones. Reduces memory, it has an anti-chol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23D9/04C11B3/00
Inventor 张全智杨军龙张博坤王丽张梦妤
Owner HARBIN PURUN GREASE
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