Ultrasonic-assisted rapeseed oil degumming method

An ultrasonic-assisted, rapeseed oil technology, applied in the direction of oil/fat refining, fat production, etc., can solve the problem of low degumming efficiency and achieve the effect of improving degumming efficiency

Inactive Publication Date: 2019-10-15
江苏禾丰粮油工业有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to improve a method for ultrasonic-assisted degumming of rapeseed oil in order to overcome the disadvantage of low degumming efficiency during traditional rapeseed crude oil hydration degumming

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Weigh 50g rapeseed crude oil in an Erlenmeyer flask, heat to 40°C, weigh citric acid with a mass ratio of 0.05%, and distilled water with a mass ratio of 1.5%, mix and dissolve the citric acid and distilled water , heating the citric acid solution to the same temperature as the crude oil, adding it to the crude oil, and stirring to hydrate it for 10 min; (2) ultrasonic treatment with a frequency of 40 kHz and a power of 150 W for 10 min, leaving it at room temperature for 5 min, and then centrifuging (4800r / min, 20min); (3) Rotate the upper oil layer at 0.09Mpa and 70°C to remove water; (4) Take 10mL of the oil phase to measure the phosphorus content according to GB / T5537-2008 "Determination of Phospholipid Content in Grain and Oil Inspection", and calculate Degumming rate. See Table 1.

Embodiment 2

[0026] (1) Weigh 50g rapeseed crude oil in an Erlenmeyer flask, heat to 80°C, weigh citric acid with a mass ratio of 0.35%, and distilled water with a mass ratio of 4.0%, mix and dissolve the citric acid and distilled water , heating the citric acid solution to the same temperature as the crude oil, adding it to the crude oil, and stirring to hydrate it for 60 min; (2) using ultrasonic treatment with a frequency of 40 kHz and a power of 150 W for 30 min, leaving it at room temperature for 5 min, and centrifuging (4800r / min, 20min); (3) Rotate the upper oil layer at 0.09Mpa and 70°C to remove water; (4) Take 10mL of the oil phase to measure the phosphorus content according to GB / T5537-2008 "Determination of Phospholipid Content in Grain and Oil Inspection", and calculate Degumming rate. See Table 1.

Embodiment 3

[0028] (1) Weigh 50g rapeseed crude oil in an Erlenmeyer flask, heat to 60°C, weigh citric acid with a mass ratio of 0.2%, and distilled water with a mass ratio of 2.5%, mix and dissolve the citric acid and distilled water , heating the citric acid solution to the same temperature as the crude oil, adding it to the crude oil, and stirring to hydrate it for 30 minutes; (2) ultrasonic treatment with a frequency of 40 kHz and a power of 150 W for 20 minutes, leaving it at room temperature for 5 minutes and then centrifuging (4800r / min, 20min); (3) Rotate the upper oil layer at 0.09Mpa and 70°C to remove water; (4) Take 10mL of the oil phase to measure the phosphorus content according to GB / T5537-2008 "Determination of Phospholipid Content in Grain and Oil Inspection", and calculate Degumming rate. See Table 1.

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Abstract

The invention discloses an ultrasonic-assisted rapeseed oil degumming method, belonging to the technical field of food processing. The method comprises the following steps: (1) weighing crude rapeseedoil, heating to 40-80 DEG C, weighing citric acid with a mass ratio of 0.05-0.35%, weighing distilled water with a mass ratio of 1.5-4.0%, mixing and dissolving the citric acid and the distilled water, heating the citric acid solution to the same temperature as the crude rapeseed oil, adding the citric acid solution into the crude rapeseed oil, and stirring to allow the crude rapeseed oil to be hydrated for 10-60 min; (2) performing ultrasonic treatment with a frequency of 40 khz and a power of 150 w for 10 min to 30 min, performing room temperature standing for 5 min and then centrifuging at4800 r / min for 20 min; and (3) performing rotary evaporation on an upper oil layer at 0.09 MPa and 70 DEG C for removal of water to achieve ultrasonic-assisted degumming of the rapeseed oil. According to the invention, the ultrasonic treatment is applied in the rapeseed oil degumming process, and the degumming effect can be obviously improved.

Description

technical field [0001] The invention relates to a method for degumming rapeseed oil, which belongs to the technical field of food processing. Background technique [0002] Rapeseed is one of the four major oil crops in the world, mainly used for edible oil production. Rapeseed oil is rich in linoleic acid and linolenic acid, has a high degree of unsaturation, has a unique fragrance, and is rich in phospholipids, polyphenols, sterols, carotene and other active ingredients. Although the phospholipids in rapeseed oil can regulate human metabolism, enhance physical fitness, and relieve fatigue, the residual phospholipids in the oil refining process may cause the color and aftertaste of rapeseed oil, so it needs to be removed during the oil refining process to reduce or The process of removing phospholipids from oil is called degumming technology. [0003] Traditional degumming methods mainly include hydration degumming, adsorption degumming and enzymatic degumming. Adsorption...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C11B3/04
CPCC11B3/001C11B3/04C11B3/005
Inventor 蔡兆海圣明明代春华何荣海任晓锋马海乐
Owner 江苏禾丰粮油工业有限公司
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